Automatic Slack Adjuster, 5.5", Gunite Style - 1.5"-10 Spline AS1132
This is a genuine Gunite-style automatic slack adjuster featuring clearance sensing technology with a 1.5-inch diameter 10-spline camshaft fitting, 5.5-inch straight arm span, and pre-installed clevis, engineered for drive and steer axle applications in heavy-duty truck drum brake systems.
10 in stock
| Construction | Clearance sensing automatic slack adjuster featuring buttress-style worm gear with drilled worm wheel design for superior load distribution and fatigue resistance. |
|---|---|
| Material | Forged steel construction with factory lubrication and sealed housing, featuring O-ring on spline gear and extended-life clevis pin bushing for optimal performance. |
| Adjustment Mechanism | Gunite's proprietary clearance sensing design adjusts on the applied stroke, accurately measuring shoe-to-drum clearance when brake drums are coolest to minimize deflection and provide consistent brake adjustment. |
| Typical Application | Designed for on-highway drive and steer axle applications in heavy-duty commercial vehicles including Freightliner, Peterbilt, Meritor, International, and Mack trucks with 1.5"-10 spline camshafts. |
| Manufacturer | Part number | Notes |
|---|---|---|
| Meritor | R801050, R802302, R802303 | Compatible |
| OTR | OTR51132, OTR-51132 | Aftermarket |
| Gunite | AS1132, AS1032, AS1019 | OEM |