Bendix AD-9 Air Dryer

Quick Facts

Manufacturer: Bendix Commercial Vehicle Systems
Product Series: AD Series
Model: AD-9
Product Type: Desiccant-type commercial air dryer
Brake-System Category: Air supply and air management
Primary Function: Removes moisture, oil, and solid contamination from compressed air before it enters the brake reservoirs
Operating Cycles: Charge cycle and purge cycle
Primary Components: Desiccant cartridge, outer shell, aluminum end cover, purge valve, delivery check valve, heater, and thermostat
Available Configurations: Standard purge, extended purge, and application-specific PuraGuard oil-coalescing versions
Electrical Options: Application-specific 12- or 24-volt heater and thermostat
Typical Mounting: Vertical chassis mounting between the air compressor and supply reservoir
Primary Applications: Medium-duty and heavy-duty trucks, tractors, buses, vocational vehicles, and specialty commercial equipment
Primary Benefit: Supplies cleaner and drier compressed air to help protect air-brake components

Overview

The Bendix AD-9 is a desiccant-type air dryer designed to collect and remove solid, liquid, and vapor contaminants from a commercial vehicle’s compressed-air system before those contaminants enter the brake reservoirs.

The air dryer is installed between the engine-driven air compressor and the first supply reservoir. During the charging cycle, compressed air passes through an oil-separation area and desiccant bed. Moisture and contamination collect inside the dryer while clean, dry air continues to the vehicle reservoirs.

When the governor unloads the compressor at system cut-out pressure, the AD-9 begins its purge cycle. Stored purge air expands backward through the desiccant bed and exits through the purge valve, carrying accumulated water, oil, and contamination out of the dryer.

The AD-9 has been used across a broad range of commercial trucks, tractors, buses, vocational vehicles, and specialty equipment. Multiple configurations have been produced, so the complete Bendix part number, purge-volume arrangement, heater voltage, ports, and mounting must be verified before replacement.

Key Characteristics

Desiccant-type commercial air dryer
Installed between the compressor and supply reservoir
Alternates between charge and purge cycles
Removes moisture from compressed air
Separates oil aerosols and solid contamination
Replaceable screw-in desiccant cartridge
Serviceable purge-valve assembly
Serviceable delivery check valve
Integrated safety valve
Turbo cut-off function
Heater and thermostat for cold-weather operation
Available with 12- or 24-volt electrical equipment
Standard and extended-purge configurations
PuraGuard oil-coalescing configurations may be available
Vertical chassis-mounted design
Designed for commercial air-brake systems

Major Components

Cylindrical steel outer shell
Die-cast aluminum end cover
Desiccant cartridge
Desiccant material
Oil separator
Sump area
Purge-volume area
Purge valve
Purge-valve housing
Purge piston
Turbo cut-off valve
Delivery check valve
Safety valve
Heater element
Thermostat
Electrical connector
Supply port
Delivery port
Control port
Exhaust opening
Upper mounting bracket
Mounting strap
Lower mounting bracket
Cap screws and locknuts
O-rings
Gaskets and seals

How the Brake Component or System Works

The AD-9 operates through two primary cycles:

Charge cycle
Purge cycle

During the charge cycle, the vehicle’s air compressor sends hot compressed air through the discharge line and into the AD-9 supply port.

As the air enters the dryer, its direction and velocity change. Liquid water, oil droplets, and heavier contamination collect in the sump area.

The air then moves through the desiccant cartridge. The desiccant adsorbs water vapor while additional filtering helps prevent contamination from entering the brake reservoirs.

Clean, dry air passes through the delivery check valve and exits the delivery port. From there, it flows into the vehicle’s supply reservoir.

When reservoir pressure reaches the governor’s cut-out setting, the governor unloads the compressor and sends a pneumatic control signal to the AD-9 control port.

The control pressure opens the purge valve. Purge air stored within the dryer expands backward through the desiccant bed.

This reverse airflow removes moisture from the desiccant and carries water, oil, and contamination out through the exhaust opening.

The delivery check valve prevents air stored in the vehicle’s reservoirs from flowing backward through the dryer during the purge cycle.

After purging, the purge valve remains open until system pressure falls to the governor’s cut-in setting. The compressor then reloads, the purge valve closes, and another charge cycle begins.

Position and Function Within the Brake System

The AD-9 is part of the vehicle’s air-supply and air-management system.

The normal air-flow sequence is:

Engine-driven air compressor
Compressor discharge line
Bendix AD-9 air dryer
Supply or wet reservoir
Primary and secondary reservoirs
Brake control valves
Brake chambers and actuators
Foundation brakes

The air dryer does not produce compressed air and does not directly apply the brakes.

Its job is to condition the air before it reaches:

Supply reservoir
Primary reservoir
Secondary reservoir
Foot brake valve
Relay valves
Spring-brake valves
Brake chambers
Antilock braking components
Trailer air-supply system
Air suspension
Approved pneumatic accessories

Removing moisture and contamination helps protect the entire downstream air system.

Common Specifications

Air-Dryer Type: Desiccant cartridge
Operating Modes: Charge and purge
Primary Air Ports: Supply, delivery, and control
Supply Port Marking: SUP
Delivery Port Marking: DEL
Control Port Marking: CON
Cartridge Design: Replaceable screw-in cartridge
Purge System: Integrated purge valve and purge-volume arrangement
Check Valve: Integrated delivery check valve
Turbo Protection: Turbo cut-off feature
Heater Voltage: Application-specific 12 or 24 volts
Typical Heater Output: Approximately 75 watts, depending on configuration
Mounting Position: Vertical with purge exhaust facing downward
Compressor Compatibility: Commonly used with compressors rated up to approximately 17 cubic feet per minute; larger-compressor applications require verification
Reservoir Compatibility: Standard or extended-purge configuration selected according to total reservoir volume and application

Exact specifications must be confirmed using the complete Bendix part number and current service information for the installed dryer.

Operating Specifications and Performance

The AD-9 is designed to provide clean, dry compressed air during normal vehicle operation.

Air-dryer performance depends on:

Compressor output
Compressor duty cycle
Discharge-line size
Discharge-line length
Inlet-air temperature
Air-system leakage
Reservoir volume
Vehicle air consumption
Purge volume
Desiccant condition
Purge-valve condition
Delivery check-valve condition
Heater operation
Ambient temperature
Vehicle duty cycle

The standard AD-9 is commonly used on vehicles with less than approximately 9,000 cubic inches of total reservoir volume.

Extended-purge configurations may be used on applications with approximately 9,000 to 12,500 cubic inches of reservoir volume.

Applications exceeding those ranges or using unusually high-output compressors should be verified with Bendix technical information.

Under normal conditions, the purge process generally lasts approximately 15 to 30 seconds.

Air-dryer selection must account for the complete vehicle rather than reservoir volume alone.

Braking Performance and System Integration

The AD-9 does not create braking force, but it helps protect the components that control and apply the brakes.

Moisture and contamination inside the air system can contribute to:

Frozen air lines
Restricted valves
Internal corrosion
Sticking control valves
Damaged seals
Slow brake response
Air leakage
Premature component wear
Reservoir contamination
ABS modulator-valve problems
Spring-brake control problems

Removing contamination can help improve reliability throughout the air system.

The AD-9 may support vehicles equipped with:

S-cam drum brakes
Air disc brakes
Antilock braking systems
Electronic stability control
Automatic traction control
Spring brakes
Trailer air brakes
Air suspension
Air-operated accessories

Brake performance still depends on adequate compressor output, stored air pressure, functioning valves, serviceable chambers, properly maintained foundation brakes, suitable tires, and correct vehicle loading.

Air Supply, Controls, and Electronic Integration

The AD-9 works with the vehicle’s compressor governor.

When system pressure reaches cut-out, the governor:

Unloads the compressor
Sends control pressure to the AD-9
Causes the purge valve to open
Initiates desiccant regeneration

When system pressure falls to cut-in, the governor:

Reloads the compressor
Removes the purge-control signal
Allows the purge valve to close
Returns the dryer to the charging cycle

The AD-9 may be integrated with:

Bendix air compressors
Compressor governors
Supply reservoirs
Primary and secondary reservoirs
Pressure-protection valves
Air-pressure gauges
Low-air warning devices
Electronic pressure sensors
Vehicle diagnostic systems
Air-suspension systems
Trailer air-supply controls

The heater and thermostat use the vehicle’s electrical system to reduce the risk of ice interfering with purge-valve operation.

The dryer’s heater voltage must match the vehicle electrical system.

Installation, Adjustment, and Brake Balance

The AD-9 should be mounted vertically with the purge exhaust facing the road surface.

Important installation considerations include:

Correct AD-9 part number
Standard or extended-purge configuration
Correct heater voltage
Vertical mounting
Adequate airflow around the dryer
Protection from direct wheel splash
Distance from exhaust-system heat
Clearance from the driveshaft
Clearance from suspension movement
Clearance from steering components
Access for servicing
Correct upper and lower brackets
Correct mounting-fastener torque
Proper discharge-line size
Proper discharge-line length
Downward discharge-line slope where possible
Freedom from water traps and restrictions
Correct supply-port connection
Correct delivery-port connection
Correct control-port connection
Proper electrical wiring and grounding

The air dryer does not directly control brake balance. However, a restriction or severe leak in the charging system can reduce available air pressure across the vehicle’s brake circuits.

After installation, the system should be tested through multiple compressor charge and purge cycles.

Foundation Brake, Axle, and Wheel-End Compatibility

The AD-9 can support vehicles using various foundation brakes and axle arrangements when the complete air system is properly designed.

Possible applications include:

Air disc brakes
S-cam drum brakes
Steer axles
Single drive axles
Tandem drive axles
Multiple rear axles
Pusher axles
Tag axles
Lift axles
Trailer axles
Bus brake systems
Specialty-vehicle brake systems

The dryer is selected according to the vehicle’s total compressed-air requirements rather than a specific wheel-end brake design.

Compatibility depends on:

Compressor capacity
Total reservoir volume
Number of axles
Number and size of brake chambers
Trailer operation
Air-suspension demand
Pneumatic accessory demand
Vehicle duty cycle
Ambient temperature
Available mounting space
Discharge-line requirements
Required purge volume

Common Applications

Class 6 commercial trucks
Class 7 commercial trucks
Class 8 highway tractors
Regional-haul tractors
Vocational trucks
Dump trucks
Concrete mixers
Refuse trucks
Construction trucks
Logging trucks
Utility trucks
Municipal vehicles
School buses
Transit buses
Motor coaches
Fire apparatus
Emergency vehicles
Recovery vehicles
Terminal tractors
Specialty commercial vehicles

The AD-9 has been produced in multiple configurations. Its use on one vehicle does not confirm that the same part number fits another vehicle in the same model family.

Vehicle and Brake-System Compatibility

The correct AD-9 configuration must match the vehicle’s charging system, electrical system, reservoir volume, and operating application.

Compatibility depends on:

Vehicle manufacturer
Vehicle model
Model year
Vehicle identification number
Air-compressor model
Compressor output
Compressor duty cycle
Governor configuration
Discharge-line size
Discharge-line length
Total reservoir volume
Standard or extended-purge requirement
PuraGuard requirement
Supply-port configuration
Delivery-port configuration
Control-port configuration
Heater voltage
Electrical connector
Mounting brackets
Available service clearance
Vehicle air demand
Operating climate

An AD-9 should not be selected only because another dryer has a similar cylindrical appearance.

Advantages

Removes moisture from compressed air
Separates liquid contamination
Helps capture solid contamination
Protects downstream air-brake components
Replaceable desiccant cartridge
Serviceable purge-valve assembly
Serviceable delivery check valve
Integrated heater and thermostat
Turbo cut-off protection
Standard and extended-purge configurations
PuraGuard oil-coalescing versions may be available
Broad commercial-vehicle application history
Established maintenance procedures
Replacement and remanufactured units may be available
Can reduce routine reservoir moisture accumulation
Supports trucks, tractors, buses, and vocational vehicles

Limitations or Considerations

Requires periodic desiccant-cartridge replacement
Purge valves can wear or leak
Heater and thermostat can fail
Improper mounting can affect operation
Incorrect heater voltage can damage components
Direct wheel splash can shorten service life
Excessive compressor oil carryover can overload the dryer
High air-system leakage increases dryer cycling
High compressor duty cycle can reduce drying performance
Incorrect discharge-line routing can increase inlet temperature
Standard and extended-purge models are not always interchangeable
Multiple AD-9 configurations and part numbers exist
Severe applications may require more frequent maintenance
The AD-9 does not correct compressor defects or downstream air leaks

Driver and Operator Experience

A properly operating AD-9 normally produces a brief, noticeable discharge of air when system pressure reaches governor cut-out.

Drivers should monitor:

Normal purge sound
Primary air-pressure gauge
Secondary air-pressure gauge
Air-pressure buildup time
Governor cut-in and cut-out
Frequency of purge cycles
Low-air warnings
Reservoir moisture
Visible contamination near the purge exhaust
Air leakage
Cold-weather brake operation

A normal purge occurs after the compressor completes a charging cycle. Repeated purging within short intervals may indicate an air-system leak, governor problem, compressor-control problem, or excessive pneumatic demand.

Drivers should report slow pressure buildup, continuous air leakage, failure to purge, excessive purging, unusually large amounts of oil or water, or air-system freezing.

Maintenance and Ownership Notes

Inspect the air dryer for external damage.
Check upper and lower mounting brackets.
Inspect the mounting strap.
Verify that the dryer remains vertical.
Inspect the outer shell for corrosion.
Check air lines and fittings.
Inspect the compressor discharge line.
Check the control line.
Inspect the delivery line.
Check the electrical connector.
Test heater and thermostat operation.
Inspect the purge-valve exhaust area.
Listen for excessive air leakage.
Check delivery check-valve operation.
Replace the desiccant cartridge at the required interval.
Service the purge-valve assembly as needed.
Inspect the turbo cut-off function.
Drain and inspect air reservoirs.
Monitor moisture and oil accumulation.
Check compressor condition.
Check governor operation.
Perform air-system leakage tests.
Use approved Bendix service kits and replacement components.
Maintenance intervals vary according to mileage, operating hours, compressor duty cycle, climate, air consumption, and contamination level.

Common Brake-System Problems

Air dryer does not purge: A missing governor signal, restricted control line, damaged purge valve, sticking unloader system, low system pressure, or incorrect plumbing may be responsible.
Air dryer purges constantly: Air-system leakage, governor problems, control-line leakage, a damaged purge valve, faulty delivery check valve, or excessive compressor cycling may cause repeated purging.
Air leaks from the purge exhaust: A damaged purge-valve seal, contamination, worn purge piston, delivery check-valve leakage, or system-control problem may be responsible.
Water in the reservoirs: A saturated desiccant cartridge, excessive compressor duty cycle, high inlet temperature, incorrect purge volume, damaged purge valve, or air-system leakage may reduce drying performance.
Excessive oil at the purge valve: Compressor oil carryover, high duty cycle, engine problems, discharge-line issues, or an overdue cartridge may cause contamination.
Air pressure builds slowly: A leaking purge valve, restricted discharge line, damaged check valve, air-system leakage, compressor problems, or incorrect installation may reduce charging performance.
Purge valve freezes: A failed heater, incorrect heater voltage, damaged wiring, excessive moisture, or severe contamination may allow ice formation.
Heater does not operate: A blown fuse, damaged wiring, failed thermostat, failed heater element, poor ground, or incorrect electrical connection may be responsible.
Reservoir air flows backward through the dryer: A leaking or damaged delivery check valve may allow reverse airflow.
Compressor safety valve opens: A restricted discharge line, blocked dryer inlet, frozen component, or excessive pressure between the compressor and dryer may be responsible.
Desiccant contamination: Excessive oil, coolant contamination, high temperature, or an overdue service interval can reduce cartridge performance.

Safety and Service Precautions

Commercial air-brake systems store compressed air that can cause injury if released unexpectedly.

Before servicing the AD-9:

Park the vehicle on a level surface.
Apply approved parking procedures.
Chock the wheels.
Drain all reservoirs to zero pressure.
Confirm that stored air pressure has been released.
Shut down the engine.
Disconnect electrical power when required.
Allow the compressor discharge line and dryer to cool.
Wear appropriate personal protective equipment.
Do not loosen pressurized fittings.
Do not place hands near the purge exhaust during operation.
Do not operate the heater with incorrect voltage.
Do not use an open flame to thaw a frozen air dryer.
Do not use unapproved chemicals inside the air system.
Do not disassemble components beyond approved service procedures.
Compressed air, contamination, and debris can discharge forcefully from the purge exhaust.

After service, the charging system should be tested for pressure buildup, governor cut-in and cut-out, purge operation, leakage, heater operation, warning devices, and normal brake performance.

Identification Information

Identification information may be located on a tag, label, end cover, cartridge, or dryer housing.

Record the following:

Bendix AD-9 model designation
Complete Bendix part number
Serial number
Standard or extended-purge configuration
Standard or PuraGuard cartridge
Heater voltage
Electrical connector type
Supply-port configuration
Delivery-port configuration
Control-port configuration
Mounting-bracket arrangement
Vehicle manufacturer
Vehicle identification number
Vehicle model and model year
Air-compressor model
Governor model
Total reservoir volume
Desiccant-cartridge part number
Purge-valve kit number

Do not identify the dryer only by appearance. Several Bendix and aftermarket air dryers use similar cylindrical housings.

Buying Considerations

Confirm that the original dryer is a Bendix AD-9.
Record the complete Bendix part number.
Determine whether it uses standard or extended purge.
Verify whether a PuraGuard oil-coalescing cartridge is required.
Confirm the vehicle’s reservoir volume.
Record the compressor model and output.
Verify heater voltage.
Match the electrical connector.
Confirm supply, delivery, and control-port locations.
Check mounting brackets and strap.
Verify available chassis and service clearance.
Determine whether a new, remanufactured, or service unit is appropriate.
Check whether the desiccant cartridge is included.
Check whether the purge valve is included.
Confirm whether mounting hardware is included.
Inspect the compressor discharge line.
Check the compressor for excessive oil carryover.
Correct air-system leakage before replacing the dryer.
Use the current Bendix application and service information.

Variants and Configurations

The AD-9 family includes multiple application-specific configurations.

Variations may include:

Standard AD-9 air dryer
Extended-purge AD-9 air dryer
AD-9 PuraGuard oil-coalescing air dryer
New dryer assembly
Remanufactured dryer assembly
Different Bendix part numbers
Different heater voltages
Different electrical connectors
Different port orientations
Different mounting brackets
Different desiccant cartridges
Different purge-valve assemblies
Different check-valve arrangements
Different vehicle applications

The complete Bendix part number and vehicle information should be used when comparing air dryers or ordering components.

Comparison to Similar Equipment

Compared with the Bendix AD-HF Air Dryer, the AD-9 is an established stand-alone desiccant dryer used across many conventional commercial-vehicle applications. The AD-HF is designed for higher-flow air systems and newer air-management requirements.

Compared with an integrated air dryer and reservoir system, the AD-9 is a stand-alone dryer connected to separately mounted reservoirs and protection valves.

Compared with older non-desiccant moisture separators, the AD-9 removes water vapor as well as liquid and solid contamination.

Compared with an AD-9 PuraGuard version, a standard AD-9 cartridge provides conventional drying and contamination control. The PuraGuard configuration adds enhanced oil-coalescing capability.

Different Bendix air dryers should not be assumed interchangeable. Airflow, purge volume, pressure protection, mounting, electrical equipment, and reservoir integration may differ.

Best Fit For

Vehicles originally equipped with a Bendix AD-9
Medium-duty commercial trucks
Heavy-duty highway tractors
Regional-haul trucks
Vocational vehicles
Commercial buses
School buses
Transit buses
Dump trucks
Concrete mixers
Construction trucks
Fire apparatus
Recovery vehicles
Specialty commercial chassis
Fleets maintaining established Bendix air systems
Vehicles requiring a serviceable stand-alone desiccant dryer
Applications with compatible compressor output and reservoir capacity
The AD-9 is best treated as an application-specific replacement rather than a universal air-dryer conversion.

Related Vehicle and Trailer Types

Complete Guide to Semi Truck Types
Class 6 vs Class 7 vs Class 8 Trucks
Highway tractors
Regional tractors
Day cab trucks
Sleeper trucks
Straight trucks
Dump trucks
Concrete mixers
Refuse trucks
Construction trucks
Utility trucks
Municipal trucks
School buses
Transit buses
Fire apparatus
Emergency vehicles
Recovery vehicles
Specialty commercial vehicles

Related Truck and Trailer Models

Related Brake System Types

Related Brake Products

Related Equipment Systems

Brake Systems
Engines
Transmissions
Axles & Differentials
Suspension Systems
Electrical Systems
Equipment Systems
Air compressors
Compressor governors
Air reservoirs
Pressure-protection valves
Air lines and fittings
Vehicle air-management systems

Related Guides

Regulatory and Compliance Notes

An air dryer is part of the vehicle’s safety-critical air-brake charging system.

The complete air system must maintain applicable requirements for:

Air-pressure buildup
System recovery
Governor cut-in and cut-out
Low-air warning operation
Reservoir capacity
Air-system leakage
Service-brake operation
Parking-brake operation
Emergency-brake operation
Trailer air supply
Cold-weather performance

Installing an air dryer does not eliminate required inspections or reservoir maintenance.

Replacement dryers should preserve the vehicle’s approved charging-system configuration, airflow, purge capacity, electrical compatibility, and reservoir protection.

Real World Operating Notes

Frequent air-dryer purging is often caused by an air-system leak rather than a failed dryer.

Replacing the AD-9 without correcting excessive system leakage can cause the replacement dryer and compressor to cycle too frequently.

Water in the reservoirs may be caused by a saturated desiccant cartridge, but it can also result from high compressor duty cycle, excessive inlet temperature, incorrect purge volume, poor discharge-line routing, or a damaged purge valve.

Oil around the purge exhaust does not automatically prove that the dryer has failed. Compressor oil carryover and overall air-system condition must also be evaluated.

The discharge line should be inspected whenever the dryer is serviced or replaced. Carbon restriction or incorrect routing can overheat both the compressor and dryer.

Frequently Asked Questions

What is the Bendix AD-9?

The Bendix AD-9 is a desiccant-type commercial air dryer that removes moisture, oil, and solid contamination from compressed air before it enters the brake reservoirs.

Where is the AD-9 installed?

It is installed between the vehicle’s air compressor and first supply reservoir.

Does the AD-9 produce compressed air?

No. The engine-driven compressor produces the air. The AD-9 cleans and dries it.

What happens during the purge cycle?

Stored purge air expands backward through the desiccant bed and carries accumulated moisture and contamination out through the purge valve.

How long does a normal purge last?

A typical purge cycle generally lasts approximately 15 to 30 seconds.

Why does the AD-9 make a loud air-release sound?

The sound normally occurs when the governor reaches cut-out pressure and initiates the dryer’s purge cycle.

Why does the air dryer purge repeatedly?

Common causes include air-system leakage, governor problems, control-line leakage, a leaking check valve, high air demand, or a damaged purge valve.

Does the AD-9 have a heater?

Yes. Application-specific versions use a 12- or 24-volt heater and thermostat to help protect the purge valve from freezing.

What is an extended-purge AD-9?

It provides additional purge volume for vehicles with larger reservoir systems or greater drying requirements.

What is the AD-9 PuraGuard version?

It uses oil-coalescing media to provide enhanced removal of oil aerosols compared with a conventional desiccant cartridge.

Can every AD-9 cartridge be used in every AD-9 dryer?

No. The cartridge must match the dryer configuration and oil-coalescing requirements. PuraGuard-equipped systems should use approved like-for-like replacement components.

Why is water collecting in the air reservoirs?

Possible causes include an overdue cartridge, high duty cycle, air-system leakage, excessive inlet temperature, incorrect purge volume, damaged purge components, or improper installation.

Can an AD-9 be replaced with an AD-HF?

Not automatically. Compressor output, airflow, reservoir arrangement, mounting, plumbing, electrical equipment, and vehicle requirements must be evaluated.

How can the correct replacement be identified?

Use the Bendix part number, heater voltage, purge configuration, cartridge type, port arrangement, mounting brackets, vehicle VIN, compressor model, and reservoir information.

Availability and Where to Find

The Bendix AD-9 may be available as a new assembly, genuine remanufactured unit, aftermarket replacement, or serviceable original component, depending on the application.

Replacement components may include:

Desiccant cartridges
PuraGuard cartridges
Purge-valve kits
Heater and thermostat assemblies
Delivery check valves
Safety valves
Mounting brackets
Mounting straps
Seals and gaskets
Complete dryer assemblies

Parts and complete air dryers may be available through Bendix distributors, commercial-truck dealerships, bus dealers, heavy-duty parts suppliers, fleet maintenance facilities, commercial air-brake specialists, and online heavy-duty parts suppliers.

Before ordering, confirm the complete Bendix part number, standard or extended-purge configuration, cartridge type, heater voltage, electrical connector, port arrangement, and mounting hardware.

Current technical support, parts identification, documentation, and distributor resources are available through the Bendix Services and Support website.

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