Bendix EnduraSure-Pro Spring Brake

Quick Facts

Manufacturer: Bendix Commercial Vehicle Systems
Product Family: EnduraSure
Product Model: EnduraSure-Pro
Product Type: Premium sealed double-diaphragm spring brake chamber
Primary Functions: Service braking, parking braking, and emergency braking
Foundation-Brake Compatibility: S-cam drum brakes and air disc brakes, depending on model
Common Drum-Brake Size: Type 30/30
Common Stroke Options: Standard and long stroke, depending on application
Sealing Design: Fully sealed parking and emergency section
Vent Design: One-way check valve integrated into the dust plug
Drain Holes: No conventional parking-side drain holes
Power-Spring Design: No Touch technology reduces coil contact
Corrosion Protection: Sealed architecture and E-coated exterior components
Pushrod: Higher-hardness design intended to reduce center-seal wear
Primary Applications: Trucks, tractors, trailers, buses, and severe-duty vocational vehicles
Warranty: Six years with unlimited mileage and hours under applicable Bendix warranty terms
Primary Benefit: Prevents moisture and contaminants from entering the power-spring chamber, helping extend spring life and reduce replacement-related downtime

Overview

The Bendix EnduraSure-Pro is a premium sealed spring brake chamber designed for commercial trucks, tractors, trailers, buses, and vocational vehicles. It combines normal service-brake actuation with mechanical parking and emergency-brake functions.

EnduraSure-Pro represents the premium tier of the Bendix EnduraSure family. It builds on the earlier Bendix EverSure Spring Brake while adding a sealed parking-brake section designed to keep water, dust, road salt, aggregates, and other contaminants away from the power spring.

Traditional vented spring brakes use drain holes to release moisture. Those openings may also allow contamination to enter the chamber, and accumulated debris can eventually obstruct drainage.

Bendix eliminated the conventional parking-side drain holes from EnduraSure-Pro and placed a one-way check valve in the dust plug. The valve allows air to escape from the chamber while helping prevent outside contaminants from entering.

The sealed architecture protects the power spring from corrosion, a common cause of spring-brake failure. Bendix positions EnduraSure-Pro for fleets keeping equipment for several years, operating in corrosive or severe environments, or seeking fewer chamber replacements and roadside repairs.

EnduraSure-Pro is available for compatible S-cam drum and air disc brake systems. The exact chamber size, stroke, pushrod, clevis, mounting, and port arrangement depend on the vehicle and brake application. Bendix actuator product information

Key Characteristics

Premium sealed spring brake
Double-diaphragm combination chamber
Service-brake section
Parking and emergency-brake section
No conventional parking-side drain holes
Integrated one-way check valve
Dust plug with controlled venting
Protection against moisture and contaminants
No Touch power-spring technology
Reduced power-spring coil contact
Greater compressed spring height
E-coated exterior components
Higher-hardness pushrod
Improved center-seal protection
Standard- and long-stroke options
Drum- and air-disc-brake configurations
Welded-clevis options
Six-year warranty under applicable terms

Major Components

Service chamber housing
Service diaphragm
Service return spring
Service pushrod
Pushrod plate
Service-side clamp band
Mounting studs
Service air port
Parking and emergency chamber housing
Mechanical power spring
Spring-brake diaphragm
No Touch spring geometry
Center seal
Center-seal bushing
Higher-hardness pushrod
Sealed parking-side housing
Check-valve dust plug
One-way check valve
Release bolt
Release-bolt storage pocket
Threaded clevis when equipped
Welded clevis when equipped
Clevis pin
Jam nut
Mounting hardware
Identification label
Stroke and chamber-size markings

How the Brake Component or System Works

During a normal service-brake application, compressed air enters the service section of the EnduraSure-Pro. Air pressure acts against the service diaphragm, moving the pushrod outward.

On an S-cam drum brake, the pushrod rotates the slack adjuster and camshaft. The S-cam spreads the brake shoes against the drum.

On an air disc brake, the pushrod applies the caliper’s operating mechanism, causing the pads to clamp the rotor.

When the driver releases the service brake, air leaves the chamber. The service return spring retracts the diaphragm and pushrod.

The parking and emergency section uses a powerful mechanical spring. During normal vehicle operation, compressed air holds this spring in its released position.

When the parking brake is applied, air is exhausted from the spring section. The power spring expands and mechanically applies the foundation brake.

If spring-brake supply pressure falls because of an air-system failure, the power spring can also apply the brake automatically according to the vehicle’s pneumatic system design.

Position and Function Within the Brake System

The EnduraSure-Pro mounts between the axle’s chamber bracket and foundation-brake operating mechanism. It converts air pressure or stored spring energy into linear pushrod movement.

It performs three principal functions:

Applies the service brake when air enters the service section
Applies the parking brake when air is released from the spring section
Provides emergency braking when spring-brake supply pressure falls

In a typical S-cam system, the force path includes:

Brake-control valve
Relay or ABS-modulator valve
EnduraSure-Pro service chamber
Pushrod and clevis
Automatic slack adjuster
Camshaft
S-cam
Brake shoes
Brake drum

In an air disc brake system, the chamber’s pushrod acts on the caliper rather than a slack adjuster and camshaft.

Common Specifications

Product Type: Sealed double-diaphragm spring brake
Product Family: Bendix EnduraSure
Premium Model: EnduraSure-Pro
Common Drum-Brake Chamber: Type 30/30
Stroke Options: Standard or long stroke, depending on model
Foundation Brakes: S-cam drum brake or compatible air disc brake
Parking-Side Construction: Sealed housing without conventional drain holes
Ventilation: One-way check valve integrated into dust plug
Power Spring: No Touch corrosion-resistant design
Exterior Protection: E-coat on applicable EnduraSure-Pro components
Pushrod: Increased-hardness design
Center Seal: Slotted seal with application-specific support bushing
Clevis Options: Application-specific threaded or welded clevis
Actuation: Pneumatic service braking and mechanical spring parking braking
Mounting: Application-specific bracket and stud arrangement
Warranty: Six years with unlimited mileage and hours under applicable Bendix terms
Applications: Truck, tractor, trailer, bus, and vocational vehicle

Specifications vary by chamber part number. Size, stroke, pushrod length, clevis position, mounting-stud spacing, port angle, bracket, and foundation-brake compatibility must be verified before installation.

Operating Specifications and Performance

The EnduraSure-Pro was developed to increase power-spring durability by preventing contamination from entering the parking-brake housing.

Bendix identifies several performance advantages:

Up to 5.5 times better durability than competitive non-sealed spring brakes in applicable testing
Up to 1.5 times better durability than the closest tested competitive sealed spring brake
Longer potential power-spring life
Reduced corrosion exposure
Fewer spring-brake replacements
Reduced roadside service risk
Improved long-term parking-brake reliability
Lower potential total cost of ownership

The exact service life depends on application, environment, vehicle age, pressure-washing practices, road chemicals, installation, maintenance, and physical damage.

The chamber’s output force depends on:

Chamber size
Rated stroke
Applied air pressure
Power-spring condition
Pushrod length
Clevis position
Slack-adjuster length
Foundation-brake geometry
Brake adjustment
Vehicle application

A sealed chamber still requires regular inspection. The seal cannot correct improper mounting, hose damage, brake maladjustment, or foundation-brake wear.

Braking Performance and System Integration

The EnduraSure-Pro must be matched to the vehicle’s foundation brake and pneumatic controls. Chamber size, stroke, pushrod length, and operating geometry directly influence brake torque and reserve stroke.

On an S-cam brake, the relationship among the chamber, pushrod, slack adjuster, camshaft, shoes, and drum determines braking force.

On an air disc brake, the chamber must match the caliper’s input-force, stroke, mounting, and clearance requirements.

Incorrect chamber selection can cause:

Insufficient braking force
Excessive brake torque
Brake imbalance
Excessive pushrod stroke
Brake drag
Reduced parking-brake force
Premature wheel lockup
ABS intervention
Component interference
Failure to release completely

Chambers installed on the same axle should have compatible size, stroke, and output characteristics unless the vehicle manufacturer specifies otherwise.

Air Supply, Controls, and Electronic Integration

EnduraSure-Pro requires compressed air for normal service braking and for holding the parking-brake spring in its released position.

It can operate with:

Service brake valves
Relay valves
Quick-release valves
Spring-brake relay valves
Spring-brake modulating valves
Tractor-protection valves
Trailer emergency systems
Antilock braking systems
Automatic traction control
Electronic stability control
Trailer roll-stability systems

The service and spring ports must be connected correctly. Reversed lines can cause unsafe operation.

ABS modulator valves regulate air delivered to the service section during wheel-slip events. They do not remove the mechanical energy stored in the power spring.

A Bendix SR-7 Spring Brake Modulating Valve or another approved control system can modulate spring-brake operation during certain air-system failures.

Installation, Adjustment, and Brake Balance

The EnduraSure-Pro must match the original chamber’s size, stroke, pushrod, mounting, clevis, and port arrangement.

Important installation checks include:

Confirming the complete Bendix part number
Verifying drum- or air-disc-brake use
Confirming chamber type
Checking service- and spring-section sizes
Verifying standard or long stroke
Matching pushrod length
Confirming threaded or welded clevis
Checking mounting-stud spacing
Matching port orientation
Confirming chamber-bracket angle
Inspecting mounting hardware
Checking pushrod alignment
Confirming slack-adjuster length
Verifying clevis position
Checking air-hose routing
Inspecting suspension clearance
Measuring applied pushrod stroke
Testing service-brake operation
Testing parking-brake operation
Checking for air leakage

The check-valve dust plug must remain correctly installed. It is a functional sealing component rather than a disposable shipping plug.

Pushrod movement should remain aligned with the brake mechanism. Side loading can accelerate center-seal wear, damage the pushrod, or cause binding.

Foundation Brake, Axle, and Wheel-End Compatibility

EnduraSure-Pro configurations are available for compatible S-cam drum and air disc brake applications.

Compatibility depends on:

Foundation-brake manufacturer
Foundation-brake model
Brake chamber size
Brake chamber stroke
Axle manufacturer
Axle model
Axle position
Chamber mounting bracket
Pushrod length
Clevis design
Slack-adjuster length
Port orientation
Caliper input requirements
Available suspension clearance
Vehicle brake certification

A Type 30/30 drum-brake chamber should not be substituted for an air-disc-brake chamber because the installations may require different sizes, strokes, brackets, pushrods, and force characteristics.

When replacing an EverSure or standard EnduraSure chamber, an official Bendix cross-reference should be used to identify an approved EnduraSure-Pro configuration.

Common Applications

Line-haul tractors
Regional-haul tractors
Heavy-duty straight trucks
Delivery trucks
Dump trucks
Concrete mixers
Refuse trucks
Logging trucks
Construction vehicles
Bulk-haul vehicles
Tank trucks
Municipal vehicles
School buses
Transit buses
Motorcoaches
Fire apparatus
Dry van trailers
Refrigerated trailers
Flatbed trailers
Tank trailers
Dump trailers
Hopper trailers
Container chassis
Vehicles operating in corrosive environments
Vehicles using premium air disc brakes

Vehicle and Brake-System Compatibility

EnduraSure-Pro is intended for properly engineered commercial-vehicle brake systems. Selection must be based on more than chamber diameter or visual similarity.

Compatibility should be verified using:

Vehicle identification number
Truck or trailer manufacturer
Vehicle model and model year
Axle manufacturer
Axle model
Foundation-brake type
Brake manufacturer and model
Original chamber part number
Chamber type
Rated stroke
Pushrod length
Clevis type
Mounting-stud spacing
Port orientation
Brake chamber bracket
Slack-adjuster information
ABS configuration
Vehicle vocation

Bendix announced EnduraSure-Pro for air disc brakes as a factory-installed option across Kenworth and Peterbilt medium- and heavy-duty truck models in 2026. Availability still depends on the individual vehicle specification and factory order. Bendix Peterbilt availability announcement

Advantages

Fully sealed parking-brake section
No conventional park-side drain holes
One-way check valve in dust plug
Helps keep moisture outside the chamber
Helps prevent road debris from entering
Improved power-spring corrosion protection
No Touch power-spring design
Reduced spring-coil contact
Higher-hardness pushrod
Improved center-seal protection
E-coated exterior components
Drum- and air-disc-brake availability
Standard- and long-stroke configurations
Six-year warranty under applicable terms
Reduced potential chamber replacements
Lower potential roadside-service costs
Improved long-term parking-brake reliability

Limitations or Considerations

Higher initial price than standard spring brakes
Correct part number is application-specific
Check-valve dust plug must remain installed
Sealed design does not eliminate inspections
Spring section contains dangerous stored energy
Spring housing must never be opened
Standard- and long-stroke chambers are not interchangeable
Pushrod length must match the application
Clevis position affects brake geometry
Port orientation can vary
Drum- and air-disc-brake chambers differ
Incorrect plumbing can cause unsafe operation
Physical damage can compromise sealing
Replacement must preserve brake certification
Not every vehicle offers factory-installed availability

Driver and Operator Experience

A correctly operating EnduraSure-Pro should provide normal service-brake response and reliable parking-brake application. The sealing improvements are intended to increase long-term reliability rather than change normal pedal feel.

Drivers should notice the parking brakes releasing after adequate air pressure reaches the spring sections. Delayed release can indicate low pressure, restricted plumbing, valve problems, or chamber damage.

Drivers should report:

Parking brakes that release slowly
Parking brakes that will not release
Parking brakes that fail to hold
Air leakage near a chamber
Low-air warnings
ABS warning lamps
Vehicle pulling during braking
Increased stopping distance
Brake dragging
Burning odors
Wheel-end smoke
Unexpected spring-brake application
Unusual brake noises

A damaged or leaking chamber should be inspected before the vehicle returns to service.

Maintenance and Ownership Notes

Inspect the chamber housing
Check the E-coat for damage
Inspect for corrosion
Check mounting studs
Inspect mounting nuts
Check the clamp band
Inspect air ports
Check hoses and fittings
Inspect pushrod alignment
Check the pushrod surface
Inspect the clevis
Check the clevis pin
Inspect retaining clips
Verify slack-adjuster alignment
Measure applied pushrod stroke
Test service-brake operation
Test parking-brake application
Test parking-brake release
Listen for air leakage
Inspect the check-valve dust plug
Keep the dust plug installed
Check the release bolt
Inspect suspension clearance
Verify chamber identification
Never open the spring housing

Common Brake-System Problems

Spring brake will not release: Low system pressure, restricted air lines, a faulty control valve, incorrect plumbing, frozen components, internal chamber damage, or a broken power spring may prevent release.
Spring brake releases slowly: Restricted hoses, insufficient air delivery, contaminated valves, system leakage, or internal damage may delay release.
Parking brake will not hold: A damaged power spring, excessive foundation-brake clearance, worn friction material, incorrect adjustment, oversized drums, caliper problems, or an incorrect chamber may reduce holding force.
Service-side air leak: A damaged diaphragm, loose clamp, corroded housing, damaged fitting, or cracked hose may cause air loss.
Leak between chamber sections: Center-seal wear, pushrod damage, misalignment, contamination, or internal component damage may allow air transfer.
Damaged check-valve dust plug: Physical damage, incorrect service, or removal of the plug can compromise the sealed design.
Moisture inside a sealed chamber: A damaged plug, housing, seal, or improper repair may allow contamination to enter.
Excessive pushrod stroke: Worn friction material, an oversized drum, incorrect slack-adjuster setup, worn foundation-brake components, or incorrect chamber geometry may increase stroke.
Brake dragging: Pushrod misalignment, restricted exhaust, incorrect clevis setting, foundation-brake binding, or incomplete spring compression may keep the brake applied.
Uneven braking: Different chamber sizes, unequal strokes, mismatched slack adjusters, pneumatic imbalance, or foundation-brake problems can cause side-to-side differences.

Safety and Service Precautions

The EnduraSure-Pro contains a powerful compressed spring capable of causing severe injury or death. The parking and emergency housing must never be opened, drilled, cut, welded, or disassembled.

Before servicing the chamber:

Park on a firm and level surface
Chock the wheels
Follow the approved spring-brake caging procedure
Drain or isolate air pressure
Support raised equipment with approved stands
Wear eye and hand protection
Confirm the brake is fully released
Use the correct release bolt
Inspect the release bolt before use
Keep hands clear of the pushrod
Follow Bendix service procedures
Replace damaged mounting hardware
Test the system before road operation

Caging mechanically compresses the power spring so the parking brake can be released for approved servicing or towing. It does not repair the chamber or make the spring housing safe to open.

A chamber with severe corrosion, impact damage, a compromised check-valve plug, damaged mounting studs, or a distorted housing should be replaced.

Identification Information

EnduraSure-Pro identification may be found on the chamber label, housing, stroke markings, pushrod, clevis, or vehicle build information.

Record the following information:

Vehicle manufacturer
Vehicle identification number
Vehicle model and model year
Axle manufacturer
Axle position
Foundation-brake type
Brake manufacturer and model
Bendix part number
EnduraSure-Pro marking
Chamber type
Service-section size
Spring-section size
Rated stroke
Standard- or long-stroke designation
Pushrod length
Threaded or welded clevis
Mounting-stud spacing
Port orientation
Brake chamber bracket
Slack-adjuster length
Check-valve dust-plug configuration
Drum- or air-disc-brake application

A Type 30/30 description alone is not enough to identify the correct replacement. Stroke, pushrod, clevis, mounting, and port details must also match.

Buying Considerations

Confirm the complete Bendix part number
Verify the EnduraSure-Pro designation
Identify drum- or air-disc-brake use
Confirm the chamber type
Verify standard or long stroke
Match the pushrod length
Confirm threaded or welded clevis
Check mounting-stud spacing
Verify port orientation
Match the chamber bracket
Confirm slack-adjuster length
Inspect air-hose routing
Check suspension clearance
Confirm the check-valve dust plug is included
Review the vehicle’s operating environment
Check factory-option availability
Use an official Bendix cross-reference
Confirm current warranty terms
Purchase from an authorized supplier

Variants and Configurations

S-cam drum-brake chamber
Air-disc-brake chamber
Type 30/30 configuration
Application-specific smaller chamber configurations
Standard-stroke chamber
Long-stroke chamber
Standard pushrod
Threaded clevis
Welded clevis
Different pushrod lengths
Truck configuration
Tractor configuration
Trailer configuration
Bus configuration
Vocational configuration
Severe-duty configuration
Bulk-haul configuration
Corrosive-environment configuration
Factory-installed configuration
Aftermarket replacement configuration

Comparison to Similar Equipment

Compared with the Bendix EverSure Spring Brake, EnduraSure-Pro adds a sealed parking-brake section, one-way check-valve dust plug, updated pushrod, and additional durability improvements.

Compared with the standard Bendix EnduraSure, EnduraSure-Pro is the premium sealed version. Standard EnduraSure uses an improved power-spring design but does not provide the same fully sealed parking-side architecture.

Compared with a conventional vented spring brake, EnduraSure-Pro eliminates the traditional parking-side drain holes that can permit contamination to enter or become blocked by accumulated debris.

Compared with a service-only brake chamber, EnduraSure-Pro provides service, parking, and emergency-brake functions. A service-only chamber does not contain a mechanical power spring.

Compared with the Bendix SR-7 Spring Brake Modulating Valve, EnduraSure-Pro produces mechanical brake force. The SR-7 controls air pressure within the spring-brake circuit.

Compared with the Bendix ADB22X Air Disc Brake, EnduraSure-Pro is the actuator. The ADB22X is the caliper, carrier, pad, and rotor-based foundation-brake system that receives the actuator’s force.

Best Fit For

Fleets keeping vehicles for several years
Severe-duty operations
Corrosive operating environments
Bulk-haul fleets
Refuse vehicles
Dump trucks
Construction vehicles
Line-haul tractors
Commercial trailers
Vehicles parked for extended periods
Premium air-disc-brake systems
S-cam drum-brake applications
Fleets seeking longer power-spring life
Operations reducing roadside-service events
Vehicles requiring reliable parking-brake performance
Fleets prioritizing total cost of ownership

Related Vehicle and Trailer Types

Complete Guide to Semi Truck Types
Complete Guide to Semi-Trailer Types
Class 7 trucks
Class 8 trucks
Sleeper tractors
Day cab tractors
Vocational trucks
Dump trucks
Concrete mixers
Refuse trucks
Bulk-haul vehicles
School buses
Transit buses
Motorcoaches
Dry van trailers
Refrigerated trailers
Flatbed trailers
Tank trailers
Dump trailers
Hopper trailers
Container chassis

Related Truck and Trailer Models

Related Brake System Types

Related Brake Products

Bendix EverSure Spring Brake
Bendix SR-7 Spring Brake Modulating Valve
Bendix ADB22X Air Disc Brake
Bendix ADB22X-LT Air Disc Brake
Meritor Q Plus Cam Brake
Meritor Q Plus LX500 Cam Brake
Gunite 3600A Brake Drum
Webb Vortex Unlimited Brake Drum
ConMet TruTurn Brake Drum
Automatic slack adjusters
Spring-brake relay valves
Service brake chambers
Air brake hoses
Air disc brake calipers

Related Equipment Systems

Equipment Systems
Axles & Differentials
Suspension Systems
Tires & Wheels
Compressed-air systems
Drive axles
Trailer axles
Foundation brakes
Parking-brake controls
Vehicle stability systems

Related Guides

Regulatory and Compliance Notes

The installed chamber must remain consistent with the vehicle’s approved braking configuration. Chamber size, stroke, pushrod length, mounting, slack-adjuster length, and foundation-brake geometry affect brake torque and reserve stroke.

Inspectors may evaluate:

Chamber condition
Mounting security
Air leakage
Pushrod stroke
Chamber-size matching
Standard- or long-stroke markings
Parking-brake operation
Spring-brake release
Hose and fitting condition
Clevis and pin condition
Foundation-brake adjustment
Missing or damaged components

Long-stroke chambers must be replaced with compatible long-stroke chambers. A standard-stroke replacement can reduce reserve stroke and violate the approved brake specification.

A chamber that leaks, is severely corroded, has damaged mounting hardware, or cannot apply and release the brake properly can place the vehicle out of service.

Real World Operating Notes

The EnduraSure-Pro check-valve dust plug is part of the chamber’s protection system. It should not be removed and discarded during routine service.

A sealed spring brake is especially valuable on trailers because trailers may remain parked for extended periods while moisture sits inside conventional vented chambers.

The sealed design can also benefit fleets operating in ordinary highway service. Road spray, salt, dust, and temperature cycles can affect spring brakes even when vehicles do not operate off-road.

A broken power spring may be more difficult to detect on an air disc brake because the service brake can continue to function. Reduced parking force may only become apparent during an inspection or parking event.

Caging a chamber removes parking and emergency application at that wheel end. The vehicle must be secured through other approved means while the chamber is caged.

Frequently Asked Questions

What is the Bendix EnduraSure-Pro?

It is a premium sealed combination spring brake chamber that provides service, parking, and emergency braking.

How is EnduraSure-Pro different from standard EnduraSure?

EnduraSure-Pro uses a sealed parking-brake section with no conventional drain holes and a one-way check valve integrated into the dust plug.

What does the check valve do?

It allows air to escape from the chamber while helping prevent water, dirt, salt, and other contaminants from entering.

Why are there no drain holes?

Removing traditional parking-side drain holes helps seal the chamber against contamination. The check-valve dust plug provides controlled venting.

Does EnduraSure-Pro use No Touch technology?

Yes. Its power spring is designed to reduce contact between compressed coils and protect the spring’s corrosion-resistant coating.

How much longer can the power spring last?

Bendix reports up to 5.5 times better durability than competitive non-sealed spring brakes in applicable testing. Actual field life depends on the application and operating environment.

What is the warranty?

Bendix lists a six-year warranty with unlimited mileage and hours under its applicable warranty terms.

Can EnduraSure-Pro be used with drum brakes?

Yes. Application-specific EnduraSure-Pro configurations are available for compatible S-cam drum brakes.

Can it be used with air disc brakes?

Yes. Bendix offers EnduraSure-Pro chambers engineered for compatible air disc brake applications.

Is it available on new trucks?

Bendix announced factory-installed EnduraSure-Pro air-disc-brake availability on Kenworth and Peterbilt medium- and heavy-duty truck models in 2026. Exact availability depends on the vehicle order.

Can the spring housing be opened?

No. The housing contains a powerful compressed spring and must never be opened, cut, drilled, or welded.

How can the correct replacement be identified?

Use the Bendix part number, chamber size, stroke, pushrod length, clevis type, mounting dimensions, port orientation, foundation-brake model, and vehicle information.

Availability and Where to Find

Bendix EnduraSure-Pro spring brakes are available through Bendix distributors, commercial-truck dealers, trailer dealers, heavy-duty parts suppliers, brake specialists, fleet-maintenance providers, and authorized repair facilities.

Factory-installed availability depends on the truck or trailer manufacturer, model year, axle, foundation brake, and vehicle order.

Replacement availability depends on chamber size, stroke, pushrod, clevis, bracket, port orientation, and drum- or air-disc-brake compatibility.

Current specifications, cross-reference information, warranty details, technical literature, and distributor resources are available through the Bendix actuator product page.

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