Description
The Gunite AS1136 is an automatic slack adjuster (Accuride / Gunite brand) for Class 8 truck and trailer S-cam air brakes — 5.5-inch arm with a 1.25-inch 10-spline cam shaft, supplied with the AS3019 clevis. Standard fitment on steer axles of Peterbilt, Kenworth, Freightliner, International, and Mack tractors. Direct replacement for Bendix 65164, Haldex 40010013, and Meritor R801001-series slack adjusters.
Signs You Need a New Slack Adjuster
- Brake stroke exceeding the legal pushrod-travel limit
- Manual adjustment required to keep brakes within stroke spec
- Slack adjuster handle binds, ratchets, or skips during self-adjustment
- Visible cracking, bending, or grease-fitting damage on the body
- Uneven brake wear from one wheel-end to the other on the same axle
Specifications
| Manufacturer | Gunite (Accuride) |
|---|---|
| Part Number | AS1136 |
| Part Type | Automatic Slack Adjuster |
| Arm Length | 5.5 in |
| Spline Diameter | 1.25 in |
| Number of Splines | 10 |
| Clevis Included | Yes — AS3019 |
| Axle | Steer Axle (typical) |
Cross References
This slack adjuster replaces or is equivalent to the following part numbers:
- Bendix: 65164, 101453, 101454, 101539, 101540, 106203, 106206, 107104, 107107, 107177, 107263, 107267, 107297, 107477, 107998, 108644
- Haldex: 40010013, 40010001, 40010072
- Meritor: R801001, R801004, R801005, R801006, R802020, R802023, R802030–R802033, R802040–R802043
- Peterbilt: 02-01736
- Mack: 02-02245
- Eagle: 52513
Applications
This slack adjuster is used on Class 8 truck and trailer S-cam air brakes calling for a 5.5 in arm with 1.25 in 10-spline cam, including:
- Steer-axle service brakes on Peterbilt, Kenworth, Freightliner, International, Mack, Volvo, Western Star tractors
- Vocational, dump, mixer, and refuse trucks with matching S-cam geometry
- Trailer axles specifying the same arm length and spline count
Verify arm length, spline count and diameter, clevis pin size, and the as-built S-cam geometry on your axle before ordering. Accuride / Gunite’s online catalog is the authoritative cross-reference source for fitment.








