This R-5 style relay valve is a PAI-made replacement for Mack and Navistar air brake systems, sold individually. Mounted on the frame rail, it regulates air pressure to the rear axle or trailer brakes based on treadle valve signals, helping keep braking response proportional across the system. It is intended for fleet and repair shop brake service.
Features
R-5 style air brake relay valve
PAI part number LRV-3639
Cross-references to Mack 5396-KN28060 and 745-229467
Cross-references to Navistar 455975C92
Sold pack quantity: 1 each
PAI component
Tech Specs
- Sell Pack: 1 EACH
- Cross-reference: Mack 5396-KN28060, Mack 745-229467, Navistar 455975C92
