Bendix ADB22X-LT Air Disc Brake

Quick Facts

  • Manufacturer: Bendix Commercial Vehicle Systems
  • Product Model: ADB22X®-LT
  • Product Type: Lightweight pneumatic air disc brake
  • Brake Category: Foundation brake
  • Brake Design: Floating-caliper disc brake
  • Primary Wheel Size: Commercial vehicles using 22.5-inch wheel equipment
  • Common Positions: Tractor drive axles and commercial trailer axles, depending on configuration
  • Primary Applications: Line-haul, pickup-and-delivery, and commercial trailer operations
  • Mounting Style: Application-specific axial or approved mounting arrangement
  • Actuator Options: Service chamber or combination spring-brake actuator
  • Friction Components: Replaceable brake pads and ventilated rotor
  • Tractor Weight Savings: Approximately 7.2 pounds per wheel end compared with the standard ADB22X
  • 6×4 Tractor Weight Savings: Approximately 43 pounds across six wheel ends
  • Optional Technology: Bendix iSense™ or iSense Pro brake-pad wear sensing
  • Primary Benefit: Reduces wheel-end weight while maintaining air-disc-brake performance and serviceability

Overview

The Bendix ADB22X-LT is a lightweight air disc brake designed for approved tractor and commercial trailer applications. It builds on the operating principles of the standard ADB22X while reducing brake assembly weight.

On a 6×4 tractor, the LT configuration can save approximately 43 pounds compared with standard ADB22X brakes across six wheel ends. This weight reduction may preserve additional payload capacity or offset the weight of other vehicle equipment.

The ADB22X-LT uses a floating caliper, replaceable brake pads, a ventilated rotor, and an internal automatic adjustment mechanism. Compressed air moves the brake-chamber pushrod, causing the pads to clamp both sides of the rotor.

The LT model is suited to line-haul and lighter-duty tractor applications, including pickup-and-delivery operations. Trailer configurations allow fleets to use Bendix air disc brakes across the tractor and trailer while sharing common wear components and service procedures.

Key Characteristics

  • Lightweight air disc brake
  • Designed for approved tractor and trailer applications
  • Approximately 7.2 pounds lighter per tractor wheel end than the standard ADB22X
  • Approximately 43 pounds of total savings on a 6×4 tractor
  • Floating-caliper design
  • Pneumatic brake-chamber actuation
  • Internal automatic adjustment
  • Replaceable brake pads
  • Ventilated brake rotor
  • Service and combination spring-brake actuator options
  • Strong resistance to brake fade
  • Consistent braking performance
  • Simplified brake-pad inspection
  • Common wearable components with other Bendix air disc brakes
  • Optional electronic brake-pad wear sensing
  • Suited to line-haul and pickup-and-delivery operations

Major Components

  • Lightweight brake caliper
  • ADB22X-LT brake carrier
  • Axle torque plate or anchor plate
  • Ventilated brake rotor
  • Inboard brake pad
  • Outboard brake pad
  • Cast pad-backing plates
  • Pad-retaining bar
  • Pad-retaining spring
  • Service brake chamber
  • Combination spring-brake actuator where equipped
  • Actuator pushrod
  • Operating lever
  • Eccentric bearing
  • Internal bridge
  • Threaded tappets
  • Tappet boots
  • Automatic adjuster
  • Adjuster cap
  • Guide pins
  • Guide-pin bushings
  • Guide-pin boots
  • Caliper sealing components
  • Mounting fasteners
  • Optional electronic wear sensor
  • Optional continuous wear-monitoring equipment

How the Brake Component or System Works

When the driver applies the service brakes, compressed air enters the brake chamber attached to the ADB22X-LT. Air pressure moves the chamber diaphragm and pushrod.

The pushrod acts on an internal operating lever and eccentric-bearing mechanism. This mechanism multiplies the input force and transfers it through an internal bridge to the threaded tappets.

The tappets move the inboard brake pad into contact with the rotor. The reaction force causes the floating caliper to slide along its guide pins, bringing the outboard pad against the opposite side of the rotor.

Both pads clamp the rotating disc. Friction converts the vehicle’s motion into heat, slowing the wheel and vehicle. The ventilated rotor and surrounding airflow help dissipate that heat.

When the brake application is released, pressure exits the service chamber. The operating mechanism relaxes and leaves the necessary running clearance between the brake pads and rotor.

The internal automatic adjuster compensates for normal pad and rotor wear. This eliminates the need for a conventional external slack adjuster.

Position and Function Within the Brake System

The ADB22X-LT is mounted at the wheel end and serves as the foundation brake. It creates the physical friction used to slow or stop the vehicle.

The complete braking sequence involves several systems:

  • The compressor produces compressed air.
  • The air dryer removes moisture and contaminants.
  • The reservoirs store the compressed air.
  • The foot brake valve responds to driver input.
  • Relay valves and ABS modulators regulate air delivery.
  • The brake chamber converts air pressure into pushrod movement.
  • The ADB22X-LT converts pushrod movement into rotor-clamping force.
  • The tires transfer the braking force to the roadway.

On drive and trailer axles, the brake may use a combination spring-brake actuator. The service section provides normal braking, while the spring section supplies parking and emergency braking functions.

Common Specifications

  • Brake Type: Pneumatically operated air disc brake
  • Caliper Design: Lightweight floating caliper
  • Primary Applications: Tractor and commercial trailer axles
  • Wheel Equipment: Primarily 22.5-inch commercial-vehicle wheels
  • Actuation: Pneumatic brake chamber
  • Service Actuator: Application-specific chamber
  • Parking Actuator: Combination spring-brake chamber where required
  • Trailer Chamber Limitation: Application-specific; certain replacement guidance identifies T18 as the maximum chamber size
  • Brake Pads: Bendix BX276 or another approved application-specific friction package
  • Rotor Type: Ventilated disc-brake rotor
  • Adjustment: Internal automatic adjustment
  • Wear Monitoring: Mechanical indicators or optional electronic sensors
  • ABS Compatibility: Approved tractor and trailer ABS systems
  • Stability Compatibility: Properly configured tractor and trailer stability systems
  • Weight Reduction: Approximately 7.2 pounds per tractor wheel end compared with the standard ADB22X

Exact mounting, chamber size, brake-pad package, rotor dimensions, fasteners, wheel clearance, and weight depend on the particular axle and vehicle configuration.

Operating Specifications and Performance

The ADB22X-LT is designed to provide air-disc-brake performance while reducing unsprung and overall vehicle weight.

Its open pad-and-rotor design supports effective heat dissipation and consistent braking during repeated applications. This helps reduce the fade associated with thermal expansion in many drum-brake systems.

Performance depends on:

  • Air pressure delivered to the chamber
  • Correct brake-chamber size
  • Pushrod installation
  • Caliper movement
  • Guide-pin condition
  • Tappet operation
  • Internal adjuster condition
  • Approved brake-pad friction
  • Remaining pad thickness
  • Rotor condition
  • Axle loading
  • Tire traction
  • ABS and stability-system operation

The LT designation does not mean the brake is suitable for every light-, medium-, or heavy-duty application. The axle and vehicle manufacturer must approve the exact configuration.

Braking Performance and System Integration

The ADB22X-LT produces the wheel-end braking force requested by the vehicle’s pneumatic and electronic control systems.

Its disc-brake design offers consistent response and strong fade resistance. These characteristics can help support the performance of ABS, electronic stability control, collision mitigation, and other systems that depend on predictable foundation-brake response.

The ADB22X-LT may be integrated with:

  • Dual-circuit tractor air brakes
  • Trailer air-brake systems
  • Tractor ABS
  • Trailer ABS
  • Automatic traction control
  • Electronic stability control
  • Trailer roll-stability systems
  • Collision-mitigation systems
  • Adaptive cruise braking
  • Electronic pad-wear monitoring

Correct brake balance requires compatible brakes and friction material across each axle. The brake pads should normally be replaced at both wheel ends of the same axle.

Air Supply, Controls, and Electronic Integration

The ADB22X-LT uses compressed air to create braking force. It does not require electricity for basic service-brake operation.

Electronic systems can regulate the pneumatic pressure delivered to the brake chambers. These systems may include:

  • Antilock braking
  • Automatic traction control
  • Tractor electronic stability control
  • Trailer roll-stability control
  • Collision-mitigation braking
  • Adaptive cruise control

Wheel-speed sensors send information to the ABS or stability controller. When the controller detects wheel lockup or vehicle instability, it commands pneumatic modulators to adjust brake-chamber pressure.

Optional Bendix wear-sensing technology can provide information about brake-pad condition. Bendix iSense can provide an end-of-life alert, while iSense Pro can provide estimates of remaining brake life across monitored wheel ends.

Electronic wear monitoring supports maintenance planning but does not replace physical brake inspections.

Installation, Adjustment, and Brake Balance

The ADB22X-LT must be installed on the correct torque plate using the approved mounting fasteners, washers, tightening sequence, and torque specifications.

Installation requirements may include:

  • Confirming the LT brake model
  • Identifying left- and right-hand assemblies
  • Matching the caliper and carrier
  • Verifying the axle torque plate
  • Using approved mounting hardware
  • Installing the correct brake chamber
  • Confirming pushrod engagement
  • Checking rotor alignment
  • Verifying free caliper movement
  • Inspecting guide-pin and tappet boots
  • Installing the correct brake pads
  • Checking pad-retaining hardware
  • Confirming wheel and valve-stem clearance
  • Testing the brake before returning the vehicle to service

The ADB22X-LT caliper must be used with the corresponding ADB22X-LT carrier. A standard ADB22X caliper and LT carrier must not be mixed.

The brake uses an internal automatic adjuster. Unapproved manual adjustment can damage the mechanism or create incorrect running clearance.

Brake balance must be preserved across the axle. If an approved conversion replaces a standard ADB22X assembly with an ADB22X-LT assembly, the brake-pad configuration at the opposite wheel end may also need to be changed to maintain equal friction characteristics.

Foundation Brake, Axle, and Wheel-End Compatibility

The ADB22X-LT can be installed on approved tractor and trailer axles equipped with the correct torque plate and wheel-end package.

Compatibility depends on:

  • Axle manufacturer
  • Axle model
  • Torque-plate design
  • Caliper orientation
  • Left- or right-hand position
  • Rotor dimensions
  • Hub design
  • Wheel size
  • Wheel offset
  • Valve-stem location
  • Brake-chamber type
  • Brake-chamber size
  • Suspension clearance
  • ABS sensor arrangement
  • Tire and wheel capacity

Not every wheel and valve stem is compatible with Bendix air disc brakes. Interference can damage the valve stem or prevent correct wheel installation.

The standard ADB22X and ADB22X-LT use different caliper and carrier arrangements. Individual calipers and carriers must be matched to their proper model.

Common Applications

  • Line-haul tractors
  • Regional-haul tractors
  • Day cab tractors
  • Sleeper tractors
  • Pickup-and-delivery tractors
  • Dry van trailers
  • Refrigerated trailers
  • Flatbed trailers
  • Tank trailers
  • Container chassis
  • Curtain-side trailers
  • Hopper trailers
  • Commercial trailer fleets
  • Weight-sensitive tractor configurations
  • Weight-sensitive trailer configurations
  • Vehicles using tractor-and-trailer air disc brakes
  • Applications requiring common Bendix wear components

Vehicle and Brake-System Compatibility

The ADB22X-LT must match the vehicle’s axle, torque plate, hub, rotor, actuator, wheel, and electronic brake-system configuration.

Compatibility should be verified using:

  • Vehicle identification number
  • Tractor or trailer manufacturer
  • Model and model year
  • Axle manufacturer
  • Axle model
  • Bendix brake designation
  • Complete brake part number
  • Caliper part number
  • Carrier part number
  • Left- or right-hand orientation
  • Brake-chamber type and size
  • Rotor part number
  • Brake-pad specification
  • Wheel size and offset
  • Valve-stem design
  • ABS configuration
  • Wear-sensor equipment

A replacement assembly should not be selected solely because it resembles an ADB22X-LT. Labels and part numbers must provide final identification.

Advantages

  • Reduced wheel-end weight
  • Approximately 7.2 pounds of tractor weight savings per wheel end
  • Approximately 43 pounds of savings on a 6×4 tractor
  • Potential preservation of usable payload
  • Consistent air-disc-brake response
  • Strong fade resistance
  • Effective heat dissipation
  • Internal automatic adjustment
  • Simplified brake-pad inspection
  • Faster pad replacement than many drum-brake systems
  • No conventional slack adjuster
  • No S-camshaft
  • Compatibility with tractor and trailer applications
  • Common Bendix wearable components
  • Optional electronic wear monitoring
  • Support for ABS and stability systems

Limitations or Considerations

  • Not intended for every severe-duty application
  • Requires vehicle and axle approval
  • Must use an ADB22X-LT carrier
  • Cannot use a standard ADB22X caliper on an LT carrier
  • Application-specific brake-chamber limitations
  • Requires compatible wheels and valve stems
  • Requires correct torque-plate mounting
  • Guide pins and boots require inspection
  • Exposed wheel-end components encounter road contamination
  • Incorrect pads can alter braking performance
  • Improper mounting can cause brake drag
  • Rotor service may require wheel-end disassembly
  • Specialized service knowledge may be required
  • Weight savings vary by configuration
  • The lighter brake does not increase certified vehicle ratings

Driver and Operator Experience

Drivers may notice consistent braking response and reduced fade during repeated brake applications. In a properly balanced tractor-and-trailer system, air disc brakes can provide predictable response throughout the combination.

Operators should report:

  • Vehicle pulling during braking
  • Increased stopping distance
  • ABS warning lights
  • Grinding or scraping noises
  • Burning odors
  • Smoke near a wheel end
  • Excessive wheel-end heat
  • Parking brakes that fail to hold
  • Parking brakes that release slowly
  • Visible rotor damage
  • Uneven pad wear
  • Repeated stability-system intervention

The absence of obvious symptoms does not prove that the pads and rotors remain within their service limits.

Maintenance and Ownership Notes

  • Inspect inboard and outboard brake pads.
  • Measure brake-pad thickness.
  • Inspect rotor thickness and condition.
  • Look for rotor cracking and heat damage.
  • Check caliper movement.
  • Inspect guide pins and bushings.
  • Check guide-pin boots.
  • Inspect tappet boots.
  • Check the internal adjuster.
  • Verify that the adjuster cap is secure.
  • Inspect the brake chamber.
  • Check air hoses and fittings.
  • Inspect pad-retaining hardware.
  • Check mounting fasteners.
  • Inspect the torque plate.
  • Verify wheel and valve-stem clearance.
  • Monitor electronic wear sensors when equipped.
  • Replace friction components across the axle.
  • Use approved Bendix replacement pads.
  • Follow the vehicle and brake manufacturer’s service intervals.

Common Brake-System Problems

Uneven brake-pad wear: Restricted caliper movement, worn guide pins, damaged bushings, seized tappets, rotor misalignment, incorrect mounting, or contaminated friction components may be responsible.

Brake dragging: Possible causes include:

  • Restricted caliper movement
  • Internal adjuster problems
  • Damaged guide pins
  • Binding tappets
  • Incorrect chamber installation
  • Improper mounting
  • Parking-brake release problems
  • Incorrect running clearance

Brake will not apply: Low air pressure, a damaged chamber, disconnected pushrod, blocked air hose, failed internal mechanism, or brake-control problem may prevent application.

Excessive stopping distance: Possible causes include:

  • Worn brake pads
  • Incorrect friction material
  • Contaminated pads
  • Damaged rotors
  • Low chamber pressure
  • Incorrect chamber size
  • Air-system leakage
  • Brake imbalance
  • Poor tire traction

Brake noise: Loose retaining hardware, pad movement, rotor damage, contamination, incorrect friction material, worn guide components, or wheel-end problems may create squealing, rattling, scraping, or grinding.

Rotor cracking: Excessive heat, severe duty cycles, prolonged brake applications, brake drag, worn pads, thermal stress, or operation beyond service limits may damage the rotor.

Excessive wheel-end heat: Possible causes include:

  • Dragging pads
  • Seized caliper movement
  • Parking-brake release problems
  • Incorrect actuator installation
  • Wheel-bearing problems
  • Repeated severe braking
  • Improper running clearance

Premature pad wear: Brake drag, incorrect friction material, unbalanced braking, severe operating conditions, caliper restriction, rotor damage, or improper installation may shorten pad life.

Incorrect caliper-to-carrier clearance: Mixing a standard ADB22X caliper with an ADB22X-LT carrier, or the reverse, can create incorrect clearances and unsafe operation.

Safety and Service Precautions

Air disc brake service exposes technicians to stored air pressure, powerful spring-brake actuators, heavy components, and potentially hazardous brake dust.

Before servicing the ADB22X-LT:

  • Park the vehicle on a level surface.
  • Apply the parking brakes.
  • Block the wheels.
  • Shut down the engine.
  • Remove the ignition key.
  • Drain the applicable air reservoirs.
  • Cage or release spring brakes using approved procedures.
  • Support raised equipment with properly rated stands.
  • Wear appropriate personal protective equipment.
  • Follow Bendix and vehicle manufacturer instructions.

Do not use compressed air or dry brushing to clean the brake. Use approved wet-cleaning or filtered-vacuum procedures to limit airborne brake dust.

Do not disassemble a sealed spring-brake actuator. Its internal power spring stores enough energy to cause serious injury.

Never mix ADB22X and ADB22X-LT calipers and carriers. Use only approved pads, rotors, chambers, wheels, valve stems, and mounting hardware.

Identification Information

Identification information is generally located on a label near the guide-pin housing.

Record the following:

  • Bendix ADB22X-LT designation
  • Bendix part number
  • Serial number
  • Customer part number
  • Caliper part number
  • Carrier part number
  • Left- or right-hand orientation
  • Axle manufacturer
  • Axle model
  • Brake-chamber type
  • Brake-chamber size
  • Brake-pad part number
  • Rotor part number
  • Wear-sensor configuration
  • Vehicle identification number
  • Trailer serial number where applicable

The ADB22X-LT can also be distinguished through model-specific carrier and brake-pad features. Labels and part numbers should provide the final confirmation.

Buying Considerations

  • Confirm the ADB22X-LT model designation.
  • Record the complete Bendix part number.
  • Verify tractor or trailer application.
  • Determine left- or right-hand orientation.
  • Match the LT caliper and LT carrier.
  • Verify the axle torque plate.
  • Match the brake-chamber type.
  • Confirm the maximum approved chamber size.
  • Verify rotor dimensions.
  • Select approved Bendix brake pads.
  • Confirm the wear-sensor configuration.
  • Check wheel and valve-stem compatibility.
  • Determine whether the caliper is new or remanufactured.
  • Check whether the carrier is included.
  • Check whether mounting hardware is included.
  • Determine whether a core charge applies.
  • Compare warranty coverage.
  • Replace axle-matched friction components.
  • Confirm that the replacement preserves the original vehicle specification.

Variants and Configurations

  • ADB22X-LT tractor brake
  • ADB22X-LT trailer brake
  • Left-hand assemblies
  • Right-hand assemblies
  • Drive-axle configurations
  • Trailer-axle configurations
  • Service-brake actuators
  • Combination spring-brake actuators
  • Different chamber sizes
  • Different torque-plate arrangements
  • Different rotor configurations
  • Bendix BX276 friction packages
  • Optional iSense wear sensing
  • Optional iSense Pro continuous monitoring
  • Service-new calipers
  • Remanufactured calipers
  • Complete caliper and carrier assemblies
  • Application-specific mounting hardware

Comparison to Similar Equipment

Compared with the Bendix ADB22X Air Disc Brake, the ADB22X-LT reduces assembly weight and is directed toward approved line-haul, pickup-and-delivery, and trailer applications. The standard ADB22X supports a broader range of heavy-duty configurations.

The ADB22X-LT provides approximately 7.2 pounds of weight savings per tractor wheel end, or about 43 pounds on a 6×4 tractor, compared with the standard ADB22X.

Compared with an S-cam drum brake, the ADB22X-LT offers simplified pad inspection, internal automatic adjustment, effective rotor cooling, and strong resistance to fade. Drum brakes may provide a lower initial purchase cost.

Compared with a hydraulic disc brake, the ADB22X-LT uses compressed air and a commercial brake chamber instead of hydraulic fluid and a hydraulic caliper piston.

The standard ADB22X and ADB22X-LT share operating principles and certain wear components, but their individual calipers and carriers must not be mixed.

Best Fit For

  • Vehicles originally equipped with the ADB22X-LT
  • Line-haul tractors
  • Regional-haul tractors
  • Pickup-and-delivery tractors
  • Dry van trailers
  • Refrigerated trailers
  • Flatbed trailers
  • Tank trailers
  • Weight-sensitive equipment
  • Fleets seeking reduced wheel-end weight
  • Fleets using air disc brakes across tractors and trailers
  • Operations wanting common brake wear components
  • Vehicles equipped with ABS
  • Vehicles equipped with stability systems
  • Fleets wanting simplified pad inspections
  • Applications approved for the LT configuration

Related Vehicle and Trailer Types

Related Truck and Trailer Models

Related Brake System Types

Related Brake Products

Related Equipment Systems

Related Guides

Regulatory and Compliance Notes

Commercial-vehicle foundation brakes must meet applicable federal, state, provincial, and local requirements. In the United States, vehicle manufacturers certify applicable braking systems under Federal Motor Vehicle Safety Standard No. 121.

Replacement pads, rotors, chambers, calipers, carriers, and mounting components must preserve the vehicle’s approved braking performance.

Brake service must not interfere with:

  • Required stopping performance
  • Axle-to-axle brake balance
  • Parking-brake operation
  • Emergency braking
  • ABS operation
  • Tractor or trailer stability systems
  • Wheel and valve-stem clearance
  • Axle weight ratings
  • Vehicle weight ratings
  • Required inspection limits

The lighter brake assembly does not increase the vehicle’s certified axle or gross vehicle weight ratings.

A brake with missing, loose, contaminated, cracked, excessively worn, mismatched, or incorrectly installed components may place the vehicle out of service.

Real World Operating Notes

The ADB22X-LT’s weight savings can be useful for fleets trying to offset emissions equipment, auxiliary systems, aerodynamic equipment, or other vehicle components. However, the practical payload benefit depends on the complete tractor or trailer specification.

Both brake pads must be inspected. A visible outboard pad may have acceptable material while the less-visible inboard pad is excessively worn because of restricted caliper movement.

A hotter wheel end may indicate brake drag, restricted caliper movement, parking-brake release problems, or wheel-bearing trouble. Temperature differences should be investigated.

Replacing worn pads without correcting damaged guide pins, bushings, tappets, boots, or rotors may result in repeated uneven wear.

A component that physically fits is not necessarily approved. Standard ADB22X and ADB22X-LT calipers and carriers cannot be mixed.

Frequently Asked Questions

What is the Bendix ADB22X-LT?

The ADB22X-LT is a lightweight floating-caliper air disc brake designed for approved tractor and commercial trailer applications.

What does LT mean?

LT identifies the lightweight version of the ADB22X air disc brake.

How much weight does it save?

The tractor version can save approximately 7.2 pounds per wheel end compared with the standard ADB22X. That equals approximately 43 pounds across the six wheel ends of a 6×4 tractor.

Is the ADB22X-LT only for trailers?

No. Bendix offers ADB22X-LT configurations for both tractors and commercial trailers.

What tractor applications are best suited to it?

Bendix identifies line-haul and lighter-duty operations, such as pickup and delivery, as suitable applications when approved by the vehicle manufacturer.

Can an ADB22X caliper be installed on an ADB22X-LT carrier?

No. Standard ADB22X and ADB22X-LT calipers and carriers must not be mixed.

Does it use a slack adjuster?

No. It uses an internal automatic adjustment mechanism.

Can it provide parking-brake operation?

Yes. Approved drive- and trailer-axle configurations can use combination spring-brake actuators.

Can tractor and trailer versions share wear components?

Bendix promotes common pads and rotors across its air disc brake lineup, which can simplify training, maintenance, and inventory. The exact parts must still be confirmed for each brake assembly.

Why are the pads wearing unevenly?

Common causes include restricted caliper movement, damaged guide pins, worn bushings, seized tappets, rotor misalignment, brake drag, or incorrect installation.

Does electronic wear sensing replace inspections?

No. It assists maintenance planning but does not replace physical inspection of the pads, rotors, calipers, boots, chambers, hoses, and hardware.

How can the correct replacement assembly be identified?

Use the Bendix model and part numbers, caliper and carrier numbers, axle information, chamber size, wheel-end specification, and vehicle VIN or trailer serial number.

Availability and Where to Find

Bendix ADB22X-LT brakes and replacement components may be available through Bendix distributors, commercial-truck dealerships, trailer dealers, fleet-maintenance providers, heavy-duty brake specialists, and commercial-vehicle parts suppliers.

Available components may include:

  • Complete caliper and carrier assemblies
  • Service-new calipers
  • Remanufactured calipers
  • Bendix BX276 brake-pad kits
  • Ventilated rotors
  • Guide-pin kits
  • Tappet and boot kits
  • Internal adjuster components
  • Pad-retaining hardware
  • Service brake chambers
  • Combination spring-brake actuators
  • Electronic wear sensors
  • Mounting hardware

Before ordering, confirm the model, complete part number, tractor or trailer application, left- or right-hand orientation, caliper and carrier combination, axle, chamber size, rotor design, and wear-sensor configuration.

Current specifications, parts information, technical documents, and distributor resources are available through the Bendix Air Disc Brakes page and Bendix Services and Support.

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