America Series Auto Slack Adjuster S-ABA 1/2,10 Spline 5.5”OEM 40010215

Details:

OEM 40010215 automatic slack adjuster S-ABA features 1/2″ shaft, 10 spline and 5.5″ mounting size, built as a high-performance brake part specifically for American heavy-duty commercial vehicles.
Made of one-piece forged high-hardness steel and finished with precision machining, this unit adopts standard 1/2 inch shaft, 10-spline design and 5.5 inch installation dimension, fully matching the specification requirements of American heavy-duty trucks.
It performs real-time automatic brake clearance compensation, delivering smooth braking feel and steady performance even under heavy loads and tough road conditions. Boasting strong load capacity and solid durability, it comes with reliable wear resistance and longer service life, greatly reducing the need for frequent manual adjustment.
It is widely fitted on American heavy-duty trucks, semi-trailers and cargo vehicles. Ideal for daily fleet maintenance, brake system repair and direct OEM replacement, it fully meets the operating needs of long-haul transport and regular fleet upkeep.

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Description

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Product Specification

OEM	40010215
Refereces OEM	40910685
Spline Teeth	1-1/2"10
Arm Lengths	5.5"
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….

AQ (Super Simple English)

Q: What is the main feature of the OEM 40010215 automatic slack adjuster?

A: The OEM 40010215 is an automatic slack adjuster made for air brake systems on American heavy-duty trucks and trailers. It automatically keeps optimal brake clearance while running, cuts down frequent manual adjustment, and maintains steady and reliable braking performance all the time.

Q: What does the 10 spline and 5.5" arm length specification mean?

A: The 10 spline is the standard spline connection that fits perfectly with the brake camshaft. The 5.5-inch arm length stands for the center-to-center mounting distance. Both key specs ensure correct brake geometry, easy installation compatibility, and stable torque transmission for commercial vehicle brakes.

Q: What types of vehicles commonly use the America Series S-ABA 40010215?

A: The S-ABA 40010215 is widely used on heavy-duty trucks, semi-trailers and fleet commercial vehicles fitted with 16.5-inch drum brakes. It works well on trailer axles and drive axles, ideal for high-load and long-haul transportation scenarios.

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