R801073 Automatic Slack Adjuster Fits Freightliner Cascadia Air Brake

This aftermarket automatic slack adjuster is designed for heavy-duty brake systems used on Freightliner, Kenworth, and Peterbilt vehicles in universal commercial applications. The unit features a 1-1/2 in, 28-spline configuration with a 5-1/2 in arm length and functions to automatically maintain proper brake stroke during operation. It is engineered as a direct replacement for standard S-cam air brake assemblies and installs using existing mounting interfaces. The adjuster measures approximately 1 × 1 × 1 in and weighs about 1 lb. Cross-reference compatibility includes WA10211, TR1172, OTR51172, OTR51140, 138.2810FC, AS1172, K043197, and 400-10211.

• Compatibility: Aftermarket automatic slack adjuster compatible with Freightliner Kenworth and Peterbilt cam-style air brake systems
• Dimensions: Measures approximately 1 × 1 × 1 in; weighs ~1 lb
• Cross-Reference Compatible – WA10211 TR1172 OTR51172 OTR51140 138.2810FC AS1172 K043197 400-10211
• Durability: Metal construction designed to support continuous automatic brake stroke regulation in commercial braking environments
• Installation: Splined mounting design configured for direct replacement on standard S-cam brake assemblies. Automatically maintains correct brake adjustment to support consistent braking performance during vehicle operation