Quick Facts

  • Manufacturer: Prestolite Electric
  • Brand: Leece-Neville Heavy Duty Systems
  • Product Family: PowerPro Extreme
  • Product Type: Severe-duty high-torque engine starter
  • Starter Design: Application-specific planetary gear-reduction starter
  • Electrical System: Model-specific, including documented 24-volt configurations
  • Documented Power Rating: Up to 12 kilowatts on PowerPro Extreme 12 applications
  • Starter Control: Standard control or application-specific iRelay intelligent protection
  • Environmental Protection: Fully sealed construction on applicable models
  • Primary Applications: Mining, construction, agricultural, emergency, bus, motor-coach, generator, and severe-duty equipment
  • Primary Benefit: Powerful engine cranking with severe-duty protection and compact gear-reduction construction
  • Production Status: Availability and specifications depend on the complete part number

Overview

The Prestolite PowerPro Extreme is a family of high-torque, severe-duty starters developed for large diesel engines and equipment that must start reliably in difficult operating environments.

PowerPro Extreme starters use gear reduction to multiply motor torque before it reaches the engine flywheel. Application-specific models may include sealed noseless construction, corrosion-resistant materials, rotatable mounting flanges, Integral Magnetic Switch technology, and programmable iRelay starter protection.

The PowerPro Extreme name covers multiple engine, voltage, power, mounting, pinion, and control configurations. The complete Prestolite or Leece-Neville part number must be confirmed before purchasing a starter or ordering service components.

Key Characteristics

  • Severe-duty high-torque starter family
  • Planetary gear-reduction construction on applicable models
  • Powerful cranking from a compact package
  • Fully sealed noseless design on applicable configurations
  • Standard or intelligent starter-control options
  • Programmable iRelay protection on applicable models
  • Integral Magnetic Switch technology where specified
  • Rotatable mounting flange on applicable configurations
  • Designed for wet- and dry-clutch applications where approved
  • Multiple-starter system compatibility on selected applications
  • Designed for extreme temperatures and contaminated environments
  • Engine- and application-specific pinion and mounting arrangements

Major Components

  • Starter housing
  • Electric motor
  • Armature
  • Field assembly
  • Brush plate and brushes
  • Commutator
  • Starter solenoid
  • Integral Magnetic Switch where equipped
  • iRelay electronic module where equipped
  • Shift mechanism
  • Pinion gear
  • Overrunning clutch
  • Planetary reduction gears
  • Drive shaft
  • Mounting flange
  • Main battery terminals
  • Control terminals
  • Bearings and bushings
  • High-temperature seals

Product Type and Construction

The PowerPro Extreme is an electric starting motor that converts stored battery energy into the mechanical torque needed to crank an engine. Its reduction gearing allows the motor to operate efficiently while delivering substantial torque through the pinion gear.

Applicable versions use sealed noseless construction to protect internal components from dust, oil, water, and other contaminants. A rotatable mounting flange may allow one starter design to accommodate multiple installation orientations.

How the Electrical Component or System Works

When a valid start command is received, the starter-control circuit energizes the solenoid. The solenoid moves the pinion into engagement with the flywheel ring gear and closes the high-current contacts connecting the batteries to the starter motor.

The motor turns the planetary reduction gears, which increase the torque delivered to the pinion. The pinion rotates the engine until combustion begins. Releasing the start command opens the electrical circuit and retracts the pinion.

When equipped, the iRelay electronic module monitors operating conditions and can protect the starter against specific abusive or damaging cranking events.

Position and Function Within the Vehicle

The starter mounts to the engine flywheel housing or bell housing. Its drive is positioned so the pinion can engage the flywheel ring gear during starting and withdraw after the engine begins running.

The starter cranks the engine for short periods only. It does not provide electrical power after the engine starts and should never remain engaged with a running engine.

Common Specifications

  • Product Type: Severe-duty electric starter
  • Drive Design: Application-specific planetary gear reduction
  • System Voltage: Model-specific, including 24-volt configurations
  • Published Power: Up to 12 kilowatts on documented PowerPro Extreme 12 models
  • Engine Capacity: Application-specific; selected 12-kilowatt models support large-displacement diesel engines in single- or multiple-starter installations
  • Weight: Model-specific; documented PowerPro Extreme 12 configurations weigh approximately 36 pounds
  • Operating Temperature: Model-specific; selected configurations are rated from approximately -40°C to 125°C
  • Housing Design: Fully sealed noseless construction on applicable models
  • Mounting: Application-specific flange with rotatable arrangements available
  • Starter Control: Standard relay, Integral Magnetic Switch, or iRelay-equipped configuration
  • Rotation and Pinion: Engine- and part-number-specific

Operating Capacity and Performance

PowerPro Extreme starters are designed for engines and environments that require substantial starting torque. Actual cranking performance depends on battery voltage, available current, starter power, engine displacement, compression, temperature, lubricant viscosity, cable resistance, and ring-gear condition.

Documented PowerPro Extreme 12 models provide 24-volt, 12-kilowatt starting power. Prestolite has identified single-, dual-, and triple-starter applications for increasingly large engines, but the approved arrangement must be confirmed for the exact engine.

Installation Position and System Function

The starter must be installed in the engine manufacturer’s designated position. Correct mounting establishes pinion alignment, engagement depth, clearance, and the necessary relationship between the starter and flywheel ring gear.

A rotatable flange may provide installation flexibility, but it must be positioned and secured according to the instructions for the specific starter and engine.

System Voltage and Electrical Architecture

The starter must match the vehicle or equipment’s nominal voltage and battery-bank arrangement. A 24-volt PowerPro Extreme starter requires a compatible 24-volt starting circuit and cannot be substituted directly into a 12-volt system.

The architecture may include battery disconnects, starter relays, Integral Magnetic Switch equipment, electronic iRelay protection, engine controllers, start-inhibit circuits, and single- or multiple-starter arrangements.

Electrical Input, Output, and Power Function

The starter receives high-current direct-current power from the batteries. Its mechanical output is delivered through the planetary gears, overrunning clutch, and pinion to the engine flywheel.

Electrical demand is greatest when the engine initially begins to move. Low temperature, heavy lubricant, high compression, weak batteries, and mechanical resistance can increase the required current or reduce cranking speed.

Voltage, Current, and Electrical Load Management

Voltage at the starter must remain high enough during cranking for the motor, solenoid, and electronic controls to function properly. Excessive resistance in cables, grounds, switches, relays, or terminals can produce slow cranking, solenoid chatter, overheating, or control faults.

When equipped, iRelay protection can monitor conditions such as undervoltage and excessive cranking. This protection supplements proper battery and cable maintenance rather than replacing it.

Starting and Engine-Cranking Function

The PowerPro Extreme must rotate the crankshaft fast enough for the engine’s compression, fuel, air, and control systems to begin combustion. Minimum cranking-speed requirements vary among engine families.

Starter capacity should be matched to the engine rather than selected only by physical size or maximum power rating.

Gear-Reduction and Torque Delivery

The planetary gear set allows the electric motor to rotate at a higher speed than the starter pinion. The gears reduce that speed while multiplying the torque applied to the engine ring gear.

This arrangement helps the PowerPro Extreme deliver substantial starting torque without the size and weight that a comparable direct-drive starter might require.

Pinion, Ring Gear, and Engagement Design

The starter pinion must match the flywheel ring gear’s pitch, tooth form, diameter, rotation, and position. The engagement mechanism moves the pinion into the correct operating relationship before full torque is delivered.

Applicable iRelay systems can provide protection against pinion and ring-gear tooth abutment and conditions that could cause pinion milling in multiple-starter applications.

Internal Components and Electrical Design

The starter motor contains an armature, field assembly, commutator, heavy-duty brushes, bearings or bushings, and high-current conductors. The solenoid and magnetic-switch system control pinion movement and battery-current delivery.

The iRelay option adds an electronic module with programmable logic. Its exact functions and settings depend on the original equipment application.

Materials and Component Construction

Construction may include a corrosion-resistant metal housing, copper windings and conductors, a steel armature shaft, hardened planetary gears, high-capacity brushes, sealed bearings, insulated terminals, and high-temperature sealing materials.

Exact materials, coatings, and sealing provisions vary by starter model and operating environment.

Wiring, Terminals, Connectors, and Grounding

Main battery and ground cables must carry very high current with minimal voltage drop. Terminal surfaces should be clean, correctly assembled, protected against short circuits, and tightened to the specified torque.

Control wiring for the solenoid, magnetic switch, or iRelay module must follow the diagram for the exact application. Incorrect connections can damage components or prevent normal protection functions.

Circuit Protection and Electrical Safety

Starter circuits can release extremely high current during a short circuit. Cables must be properly sized, insulated, supported, and protected from exhaust heat, abrasion, sharp edges, moving equipment, and chemical contamination.

Battery disconnects, starter relays, and electronic controls must be rated and configured for the starter system. Bypassing safety interlocks or protective controls can cause unintended engine cranking or equipment movement.

Controls, Monitoring, and Diagnostics

The starter may be controlled by an ignition switch, push button, equipment controller, engine controller, neutral-safety circuit, starter relay, magnetic switch, or iRelay module.

Diagnosis should include battery condition, cranking voltage, current draw, circuit voltage drop, control voltage, starter engagement, cranking speed, ring-gear condition, and engine mechanical resistance.

iRelay Intelligent Starter Protection

Selected PowerPro Extreme starters are available with Prestolite’s iRelay technology. The system combines a starter-control relay with an electronic module that can be programmed to match original equipment requirements.

Depending on its configuration, iRelay can help protect against:

  • Excessive cranking duration
  • Undervoltage cranking
  • Engagement into a running engine
  • Pinion and ring-gear tooth abutment
  • Under-speed cranking
  • Unsynchronized multiple-starter operation
  • Single-starter operation in approved multiple-starter systems
  • Pinion milling in dual- or triple-starter installations

Electronic Controls and Driver-Assistance Integration

Modern equipment may use electronic controls to authorize cranking only when transmission position, engine state, immobilizer status, battery voltage, and safety interlocks are correct.

Voltage loss during cranking can interrupt communication among engine, transmission, brake, steering, safety, and equipment-control modules. Battery and cable condition therefore affects more than the starter alone.

Power Demand, Capacity, and Energy Management

Starter selection must account for engine displacement, compression, minimum cranking speed, ambient temperature, lubricant viscosity, battery capacity, cable length, system voltage, and expected starting frequency.

Dual- and triple-starter arrangements require synchronized operation and correctly balanced wiring. One starter should not be expected to carry the load intended for multiple units.

Power Consumption and System Efficiency

Planetary gear reduction converts motor speed into increased pinion torque, allowing substantial cranking performance from a comparatively compact starter. System efficiency still depends on battery condition, cable resistance, mechanical alignment, and engine resistance.

Loose or corroded connections waste battery energy as heat and reduce the power delivered to the starter motor.

Heat, Efficiency, and Electrical Loss Management

High cranking current produces heat in the windings, brushes, commutator, solenoid contacts, cables, terminals, and electronic controls. The starter must be allowed to cool between unsuccessful starting attempts.

Excessive cranking, low voltage, mechanical binding, unsynchronized multiple starters, or high-resistance connections can increase heat and shorten service life.

Environmental Sealing and Contamination Protection

Applicable PowerPro Extreme models use fully sealed noseless construction to resist dust, oil, water, and other contaminants encountered in severe-duty service.

Sealed construction does not eliminate the need to repair fluid leaks, protect terminals, maintain cable boots, or avoid direct high-pressure washing of electrical connections.

Duty Cycle and Operating Conditions

The PowerPro Extreme is designed for short-duration engine cranking rather than continuous operation. Permitted cranking duration and cooling intervals depend on the starter, engine, temperature, and original equipment requirements.

Common operating environments include extreme temperatures, wet or dusty job sites, high vibration, large diesel engines, frequent starting cycles, and remote equipment where dependable operation is essential.

Mounting and Installation

The starter must match the engine’s mounting flange, bolt pattern, register diameter, rotation, pinion position, and available clearance. Mounting surfaces should be clean, undamaged, and free from paint or debris that could prevent correct seating.

When a rotatable flange is used, its position and fastener torque must follow the instructions for the exact starter. Incorrect flange positioning can create interference or pinion-alignment problems.

Wiring, Grounding, and Installation Requirements

Battery, ground, and control cables must be connected to their correct terminals. Cable size must account for starter current, circuit length, system voltage, conductor material, temperature, and allowable voltage drop.

Control wiring for Integral Magnetic Switch or iRelay equipment must be installed according to the proper diagram. Cable supports, insulating boots, clamps, and heat shields should be restored during installation.

Vehicle and Electrical-System Compatibility

Compatibility depends on nominal voltage, engine model, displacement, flywheel housing, pinion specifications, mounting flange, rotation, starter power, grounding method, control system, battery capacity, cable size, and available clearance.

Physical similarity does not confirm compatibility. The replacement must meet every relevant mechanical and electrical requirement.

Battery and Starting-System Compatibility

The battery bank must provide the required voltage and cranking capacity without excessive voltage collapse. Batteries used together should be compatible in type, capacity, age, condition, and state of charge.

Multiple-starter installations require balanced cables, proper switching, synchronized controls, and batteries capable of supporting the complete system.

Related Component and System Compatibility

  • Engine flywheel and ring gear
  • Flywheel or bell housing
  • Vehicle battery bank
  • Battery cables and grounds
  • Battery disconnect switches
  • Starter relays
  • Integral Magnetic Switch equipment
  • iRelay electronic controls
  • Engine control module
  • Transmission start-inhibit circuit
  • Cold-start assistance system
  • Alternator and charging system

Common Applications

  • Mining equipment
  • Large construction equipment
  • Agricultural machinery
  • Concrete equipment
  • Emergency vehicles
  • Heavy vocational trucks
  • Transit buses
  • School buses
  • Motor coaches
  • Military equipment
  • Generator sets
  • Industrial engines
  • Large-displacement diesel engines
  • Dual- and triple-starter installations

Advantages

  • High starting torque
  • Compact planetary gear-reduction design
  • Relatively low weight for its power output
  • Sealed construction on applicable models
  • Suitable for demanding wet or dry environments
  • Available electronic starter protection
  • Can support approved multiple-starter installations
  • Rotatable flange available on applicable models
  • Designed for extreme temperatures
  • Helps protect against selected abusive cranking conditions
  • Supports large diesel-engine applications
  • Can reduce downtime when correctly specified and maintained

Limitations or Considerations

  • Specifications vary among PowerPro Extreme models
  • Not every model includes iRelay technology
  • Voltage must match the battery system
  • Pinion and ring-gear specifications must match exactly
  • Mounting configurations are application-specific
  • Multiple-starter systems require synchronized operation
  • Starter performance depends on battery and cable condition
  • Extended cranking can still cause overheating
  • Electronic protection cannot correct engine-starting problems
  • Incorrect wiring can disable protective functions
  • A higher-power starter cannot repair a damaged ring gear
  • Premium severe-duty starters may cost more than standard replacements

Driver and Operator Experience

A properly matched PowerPro Extreme should produce strong, consistent cranking under demanding conditions. Electronic protection may interrupt or prevent a starting attempt when damaging operating conditions are detected.

Slow cranking, repeated clicking, grinding, delayed engagement, warning messages, smoke, electrical odors, or continued engagement after startup should be investigated immediately.

Controls, Indicators, and Driver Feedback

The operator normally controls the starter through an ignition switch or push button. Equipment electronics may display low-voltage warnings, start-inhibit messages, neutral-position alerts, or faults related to the starting circuit.

The operator should release the control as soon as the engine starts and observe the required cooling interval after an unsuccessful cranking attempt.

Common Electrical Tests and Diagnostic Information

  • Battery state-of-charge test
  • Battery conductance or load test
  • Cranking-voltage measurement
  • Starter current-draw test
  • Positive-circuit voltage-drop test
  • Ground-circuit voltage-drop test
  • Solenoid control-voltage test
  • Starter-relay test
  • iRelay circuit and fault inspection where equipped
  • Cranking-speed measurement
  • Multiple-starter synchronization test
  • Pinion and ring-gear inspection
  • Engine mechanical-rotation check

Inspection and Wear Points

  • Battery terminals
  • Positive starter cables
  • Ground cables and bonding straps
  • Solenoid control wiring
  • Starter relay or magnetic switch
  • iRelay wiring and module
  • Main starter terminals
  • Mounting bolts
  • Rotatable flange fasteners
  • Starter housing and seals
  • Pinion gear
  • Flywheel ring gear
  • Solenoid contacts
  • Brushes and commutator
  • Bearings and bushings

Cooling, Ventilation, and Environmental Requirements

The starter cools between its short operating cycles. Excessive cranking can raise internal temperature beyond the capacity of the motor, solenoid, brushes, and electronic controls.

Heat shields, protective covers, seals, and cable boots should remain in place. Fluid leaks, exhaust heat, damaged seals, and direct pressure washing can shorten starter life.

Component Service Life and Rebuildability

Service life depends on starting frequency, crank duration, battery condition, cable resistance, engine condition, temperature, vibration, contamination, and mounting alignment.

Some models may be professionally rebuilt, while electronic controls, sealed housings, or application requirements may favor complete replacement. Any rebuild must preserve the starter’s original power, gearing, pinion, sealing, and control specifications.

Maintenance and Ownership Notes

Starting-system maintenance should include battery testing, cleaning and tightening connections, inspecting cables and grounds, checking mounting fasteners, protecting terminals, and investigating changes in cranking speed or engagement sound.

On multiple-starter systems, all starters and their circuits should be evaluated together. Replacing one unit without correcting synchronization, cable, battery, or control problems can lead to another failure.

Common Electrical-System Problems

Starter does not operate: Discharged batteries, open circuits, a failed relay, damaged solenoid, iRelay protection event, start-inhibit condition, poor grounding, or internal failure may be responsible.

Slow cranking: Weak batteries, excessive voltage drop, cold lubricant, internal starter wear, incorrect selection, or mechanical engine resistance can reduce cranking speed.

Repeated clicking: Low voltage, loose connections, damaged cables, weak batteries, or insufficient control-circuit voltage may cause the solenoid to chatter.

Starter spins without cranking: A damaged pinion, failed overrunning clutch, engagement fault, or damaged ring gear may prevent torque transfer.

Grinding during engagement: Incorrect pinion specifications, damaged ring-gear teeth, tooth abutment, loose mounting, or incomplete engagement may cause grinding.

Starter remains engaged: Welded contacts, a sticking solenoid, control fault, damaged drive, or incorrect wiring may prevent disengagement.

Multiple starters operate unevenly: Unbalanced cables, relay faults, wiring differences, control problems, or a failed starter may prevent synchronized operation.

Starter protection interrupts cranking: Undervoltage, excessive cranking, an engagement problem, improper programming, or another protected condition may activate iRelay logic.

Repeated starter failure: Long cranking periods, engine-starting problems, damaged ring gears, weak batteries, wiring resistance, contamination, or incorrect application can shorten service life.

Safety and Service Precautions

Disconnect and isolate the batteries according to the equipment manufacturer’s procedure before removing starter cables, electronic controls, or mounting hardware. High-current starter circuits can produce severe arcing, burns, fire, or unintended engine cranking.

Secure the vehicle or equipment against movement and follow all lockout procedures. Large PowerPro Extreme starters should be supported during removal and installation.

Identification Information

Identification information is normally found on a label or plate attached to the starter housing. Record the complete Prestolite or Leece-Neville part number before ordering a replacement.

  • Manufacturer and brand
  • Complete starter part number
  • Product series
  • Serial or production code
  • Nominal voltage
  • Power rating
  • Rotation
  • Pinion tooth count and pitch
  • Mounting-flange configuration
  • Register diameter
  • Grounding arrangement
  • Standard, magnetic-switch, or iRelay control
  • Engine manufacturer and model
  • Single-, dual-, or triple-starter arrangement

Buying Considerations

  • Confirm the complete original part number
  • Match the nominal system voltage
  • Verify the required power and cranking torque
  • Match the engine and flywheel housing
  • Confirm the mounting flange and register
  • Verify starter rotation
  • Match pinion tooth count, pitch, and position
  • Confirm the grounding arrangement
  • Match standard, magnetic-switch, or iRelay controls
  • Verify single- or multiple-starter compatibility
  • Check environmental sealing requirements
  • Confirm available clearance
  • Review current supersession information
  • Confirm warranty coverage for the application

Variants and Configurations

  • Different voltage configurations
  • Different power ratings
  • Different engine-displacement applications
  • Different pinion arrangements
  • Different mounting flanges
  • Rotatable-flange configurations
  • Different starter rotations
  • Standard relay configurations
  • Integral Magnetic Switch configurations
  • iRelay-equipped configurations
  • Single-starter installations
  • Dual-starter installations
  • Triple-starter installations
  • Wet- and dry-clutch applications

Comparison to Similar Equipment

Compared with the Prestolite PowerPro Starter, the PowerPro Extreme is intended for more demanding engine sizes, environmental conditions, and severe-duty applications. Exact differences depend on the two part numbers being compared.

Compared with the Delco Remy 39MT Heavy-Duty Gear-Reduction Starter, both use gear reduction to provide substantial cranking torque. Engine coverage, mounting, pinion, voltage, controls, weight, and protection technology differ.

Compared with the Delco Remy 38MT Heavy-Duty Starter, the PowerPro Extreme is aimed at severe-duty and specialized applications that may require greater power, sealing, or electronic starter protection.

Best Fit For

  • Vehicles originally equipped with a PowerPro Extreme starter
  • Large-displacement diesel engines
  • Mining and construction equipment
  • Equipment operating in extreme temperatures
  • Wet, dusty, oily, or contaminated environments
  • Single- and approved multiple-starter systems
  • Applications requiring intelligent starter protection
  • Emergency and municipal equipment
  • Agricultural machinery
  • Fleets seeking a sealed severe-duty starter

Related Vehicle and Trailer Types

  • Heavy-duty trucks
  • Vocational trucks
  • Transit buses
  • School buses
  • Motor coaches
  • Emergency vehicles
  • Concrete equipment
  • Construction equipment
  • Mining vehicles
  • Agricultural machinery
  • Military equipment
  • Industrial generator systems

Related Truck and Trailer Models

Related Electrical System Types

Related Electrical Products

Related Equipment Systems

Related Guides

Regulatory and Compliance Notes

Starting-system modifications must preserve compliance with applicable vehicle electrical, emissions, safety, and equipment-control requirements. Neutral-safety, start-inhibit, emergency-stop, and lockout functions must remain operational.

Electronic protection settings should follow approved original equipment specifications. Unauthorized programming changes can affect starting performance, engine protection, or multiple-starter synchronization.

Real World Operating Notes

An electronic protection interruption should not automatically be treated as a defective starter. Battery voltage, crank duration, engine speed, engagement, wiring, and stored diagnostic information should be checked.

Multiple-starter installations require all units to work together. One failed starter, relay, cable, or control circuit can overload the remaining starters and damage the engine ring gear.

Repeated cranking is not a repair for fuel, compression, temperature, or electronic-control problems. Correcting the underlying engine-starting fault can substantially improve starter life.

Frequently Asked Questions

What is the Prestolite PowerPro Extreme Starter?

It is a family of high-torque gear-reduction starters designed for large diesel engines and demanding on-highway, off-highway, industrial, and severe-duty applications.

How is it different from the standard PowerPro Starter?

PowerPro Extreme models are intended for especially demanding engine sizes, temperatures, contamination levels, and operating conditions. Some configurations also include advanced electronic starter protection.

What is iRelay technology?

iRelay combines a starter-control relay with programmable electronic protection. Depending on its configuration, it can monitor and respond to conditions such as excessive cranking, undervoltage, improper engagement, and unsynchronized multiple-starter operation.

Is every PowerPro Extreme equipped with iRelay?

No. Control technology depends on the part number and original equipment application.

Can it be used with more than one starter?

Selected PowerPro Extreme models support approved dual- or triple-starter systems. The starters, wiring, batteries, relays, controls, and programming must be designed for that arrangement.

Why would iRelay prevent the starter from cranking?

The system may detect low voltage, excessive crank duration, improper engagement, under-speed operation, an already-running engine, or another protected condition.

What causes slow cranking?

Weak batteries, high circuit resistance, cold lubricant, internal starter wear, incorrect starter selection, or mechanical engine resistance can reduce cranking speed.

Can any PowerPro Extreme replace a standard heavy-duty starter?

No. Voltage, power, mounting, rotation, pinion, control system, grounding, clearance, and engine compatibility must all be confirmed.

Does sealed construction eliminate maintenance?

No. Batteries, cables, grounds, terminals, mounting hardware, control wiring, and the flywheel ring gear still require inspection and maintenance.

How is the correct replacement identified?

Use the complete starter part number, engine model, system voltage, power rating, mounting flange, pinion specifications, rotation, control technology, and single- or multiple-starter arrangement.

Availability and Where to Find

Prestolite PowerPro Extreme starters may be available through Prestolite Electric distributors, heavy-duty electrical specialists, commercial-vehicle dealers, engine and equipment dealers, fleet-parts suppliers, mining-equipment suppliers, and authorized rebuilders.

Availability depends on voltage, power, engine application, mounting flange, pinion, rotation, grounding, control technology, and single- or multiple-starter configuration. Buyers should confirm the complete part number and current supersession information before ordering.

Current product information, application assistance, distributor resources, and technical support are available through the Prestolite Electric website.

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