301146R91 | Genuine Bendix® Air Brake Relay Valve

Useful Information

Description: Air Brake Relay Valve
R-12 Air Brake Relay Valve
Condition: New
Brand: Bendix®
Part Number: 301146R91 
Cross Reference Part Number: 301146R91 

Type: Valve

Vehicle Compatibility
Compatible with:
Kenworth,
Peterbilt , 
Ford, 
Freightliner,
Fruehauf,
Great Dane, 
Hyundai, 
International,
Mack, 
Reitnouer, 
Stoughton, 
Volvo, 
Wabash, 
Western Star, 
White

Specification:
Material: Stainless Steel, 
(1) 1/2in Supply Port, (4) 1/2in Delivery Ports, (1) 1/4in Service Port, 
Crack Pressure: 4PSI, 
Normal Pressure - 115 PSI,
Maximum Pressure - 145 PSI

WEIGHT: 7.00 LBS

Description and Purpose

Parts Finder Q presents the Bendix® R-12 Air Brake Relay Valve, a robust stainless steel component engineered to regulate and distribute air pressure within the braking systems of heavy-duty vehicles. Featuring (1) 1/2-inch supply port, (4) 1/2-inch delivery ports, and (1) 1/4-inch service port, this valve guarantees efficient airflow for quick and dependable brake activation. With a crack pressure of 4 PSI and a maximum pressure of 145 PSI, it plays a vital role in ensuring safe and effective braking performance. Compatible with a variety of vehicles, including Kenworth, Peterbilt, Freightliner, Volvo, and Mack, this valve is essential for improving the reliability of air brake systems in demanding commercial settings.

Impact on Vehicle Performance  

The Bendix® R-12 Air Brake Relay Valve is essential for boosting the performance and safety of heavy-duty vehicles by efficiently regulating air pressure within the braking system. By precisely directing air pressure to the brakes, it enhances response times and braking efficiency, resulting in shorter stopping distances and improved vehicle control. With a crack pressure of 4 PSI, the valve ensures smooth brake engagement, while its ability to withstand up to 145 PSI ensures dependable performance in challenging conditions. Regular maintenance of the relay valve reduces brake component wear, prevents air leaks, and guarantees reliable operation, making it crucial for maintaining peak vehicle performance in both routine and high-demand environments.

Why Replacement is Important

Replacing a faulty or worn-out Bendix® R-12 Air Brake Relay Valve is crucial for ensuring the safety, reliability, and efficiency of a vehicle's braking system. A defective relay valve can lead to slow brake response, uneven air pressure distribution, and even brake failure, compromising vehicle control and safety. Timely replacement guarantees proper air pressure regulation, optimal braking performance, and compliance with safety standards. It also helps reduce excessive wear on other brake components, cutting maintenance costs and prolonging the lifespan of the braking system—especially important for heavy-duty vehicles operating in demanding conditions.

Manufacturer Information:

Tags & Category: Air Valve Relay, Valve, Relay Valve, Valve-Relay, Brake System

Warranty
Parts Finder Q offers a 365-days warranty for all types of parts in any condition. The warranty applies exclusively to purchases made directly through our website (partsfinderq.com). Please note that purchases made through third-party platforms like eBay or Amazon are not covered by this warranty.