Automatic Slack Adjuster for American Truck S-ABA 1/2”,28 Spline 6” OEM 40010144

Automatic Slack Adjuster for American Truck S-ABA 1/2”,28 Spline 6” OEM 40010144
Details:
The Haldex 40010144 automatic slack adjuster comes with a 1.5 inch 28-spline design and 6 inch arm length, serving as a premium original-quality brake part for heavy-duty commercial vehicles.
Manufactured from high-strength forged alloy and refined with precision heat treatment, it provides automatic brake clearance compensation and consistent braking output. It also delivers great wear resistance and fatigue durability, removing the hassle of frequent manual adjustments.
It fits perfectly for heavy-duty trucks, semi-trailers and large passenger buses, ideal for long-haul logistics, freight fleets and engineering transportation. Fully compliant with Haldex OEM standards, it supports direct plug-in replacement and routine brake system maintenance.
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Description
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Product Specification

 

OEM

40010144

Refereces OEM

E6918A 40910678 EM50420

Spline Teeth

28

Arm Lengths

6"

Bushing Diameter

0.5"

Material

Forging or casting

MOQ

50 pcs

Packaging

Neutral or Customized

Brand

Supper truck/ Ryaim or customized

Product standard

High quality/ 100% testing before shipment

Delivery term

Fob Ningbo or Shanghai, CIF, DDP….

 

OEM 40010144
Slack Adjuster 40010144

 

AQ (Super Simple English)

 

Q: What is the advantage of using an automatic slack adjuster instead of a manual type?

A: An automatic slack adjuster continuously maintains proper brake clearance during vehicle operation, reducing the need for frequent manual brake adjustments. It helps improve braking consistency, lowers maintenance workload, and supports safer operation for heavy-duty American trucks.

Q: Which truck applications are compatible with OEM 40010144 automatic slack adjusters?

A: OEM 40010144 is commonly used on American heavy-duty truck drive axles, including applications for Mack, Freightliner, Volvo, and trailer brake systems equipped with 1-1/2" camshafts and 28 spline configurations. Compatibility should always be confirmed using the original axle and brake specifications.

Q: Why is regular lubrication important for S-ABA automatic slack adjusters?

A: Proper lubrication helps maintain smooth internal adjustment mechanisms and prevents premature wear of the worm gear and spline components. In commercial fleet operations, insufficient or incorrect grease can affect automatic adjustment performance and reduce brake system reliability.

 

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