25D4630A | 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: 25D4630A 
Cross Reference Part Number: 25D4630A 

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 durable stainless steel component designed to regulate and distribute air pressure in 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 ensures efficient airflow for quick and reliable brake activation. With a crack pressure of 4 PSI and a maximum pressure of 145 PSI, it plays a crucial role in maintaining safe and effective braking performance. Compatible with vehicles such as Kenworth, Peterbilt, Freightliner, Volvo, and Mack, this valve is vital for improving the reliability of air brake systems in demanding commercial applications.

Impact on Vehicle Performance  

The Bendix® R-12 Air Brake Relay Valve is vital for improving 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, leading to shorter stopping distances and better vehicle control. With a crack pressure of 4 PSI, the valve ensures smooth brake activation, while its capacity to handle up to 145 PSI guarantees reliable performance under challenging conditions. Regular maintenance of the relay valve reduces wear on brake components, prevents air leaks, and ensures reliable operation, making it essential for maintaining peak vehicle performance in both everyday and high-demand environments.

Why Replacement is Important

Replacing a damaged or worn Bendix® R-12 Air Brake Relay Valve is crucial for ensuring the safety, reliability, and efficiency of a vehicle’s braking system. A faulty valve can result in delayed brake response, uneven air pressure distribution, and potential brake failure, compromising vehicle control and safety. Timely replacement guarantees precise air pressure regulation, optimal braking performance, and compliance with safety standards. It also helps reduce unnecessary wear on other brake components, lowering maintenance costs and extending the lifespan of the braking system—especially important for heavy-duty vehicles in demanding environments.

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.