Product Description
Crewson Type Automatic Slack Adjuster- 1.5"-10 Spline, 5/6" Arm- replaces 21103
NOTE: Image may not be representative of actual product. Check specifications below to verify that it matches your unit prior to ordering.
| Part Number | Diameter | Spline | Arm Length |
| PL-21103CR | 1.5" | 10 | 5" or 6" |
FEATURES
Auto-Check™: This patented feature allows you to check brake stroke without crawling under the truck.
Cam Guard: This lubrication system eliminates seizing and corrosion between the S-Cam and ABA.
Patented Installation Template: This handy guide ensures the ABA is installed correctly every time.
Clearance-Sensing Adjuster System
High-Strength Gearset: Assures the ABA will stand up to years of service in demanding conditions.
Sealing: The gear is sealed with a proprietary system that protects it from environmental contamination.
Patented Pushrod Cutoff Tool: For accurate measurements.
