Description

Overview

10 spline 3 hole auto slack adjuster maintains S-cam drum brake adjustment on compatible trailer brake assemblies. The ASC body suits a 1 1/2″ x 10 spline and gives 5″, 6″ and 7″ clevis hole locations for matching the brake chamber pushrod setup.

Features

• ASC automatic slack adjuster for S-cam drum brake systems
• 1 1/2″ x 10 spline size for 10 spline camshaft applications
• Three clevis hole locations: 5″, 6″ and 7″
• Suits brake setups requiring 5″, 6″ or 7″ acting radius

Specifications and Materials

Product type: 10 spline 3 hole auto slack adjuster for trailer drum brake applications.

Part number: ASC21112.

The adjuster matches a 1 1/2″ x 10 S-cam spline and provides three clevis hole locations at 5″, 6″ and 7″.

Match the adjuster against the official K-Hitch ASC slack adjuster parts view for spline and hole location data

Compatibility and Fitment

Match the S-cam spline, arm length, clevis hole position and brake chamber setup before fitting. 10 spline 3 hole auto slack adjuster suits 1 1/2″ x 10 S-cam applications with 5″, 6″ and 7″ hole locations.

These cross-references show where this part replaces the part numbers and applications listed. Some installations may need minor changes. 21112, FB4970

Related Parts

Check the related service parts below against the trailer setup before ordering.

Compliance and Safety

Inspect drums, shoes, linings, S-cams, S-cam bushes, rollers and return springs before fitting the adjuster. During installation, confirm the S-cam spline is clean and lubricated, the circlip seats correctly, and side clearance sits between 0.5mm and 2.0mm.

Trailer Applications

Workshops fit this adjuster on compatible truck and trailer S-cam drum brake systems where the setup needs a 1 1/2″ x 10 spline with 5″, 6″ and 7″ clevis hole positions. It suits brake repair, axle servicing and foundation brake rebuild work.

Cross-reference and Suitability

This part cross-references to or suits the following equivalent part numbers and compatible alternatives:

Why Choose ICS Trailers

ICS Trailers supplies braking parts for heavy trailer servicing, repairs and workshop replacement. Check the spline count, spline size and clevis hole location before ordering.

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