RA86477 | Genuine Wabco® Air Brake Relay Valve

Useful Information

Description: Air Brake Relay Valve
R-12 Air Brake Relay Valve
Condition: New
Brand: Meritor®/Wabco®
Part Number: RA86477 
Cross Reference Part Number: RA86477 

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 Meritor®/Wabco® R-12 Air Brake Relay Valve, a sturdy stainless steel part designed to control and distribute air pressure in heavy-duty vehicle braking systems. With (1) 1/2-inch supply port, (4) 1/2-inch delivery ports, and (1) 1/4-inch service port, this valve ensures smooth and efficient airflow for fast and reliable brake activation. Featuring a crack pressure of 4 PSI and a maximum pressure of 145 PSI, it is vital for maintaining superior braking performance. Compatible with various vehicles, including Kenworth, Peterbilt, Freightliner, Volvo, and Mack, this valve plays an essential role in enhancing the reliability of air brake systems in demanding commercial environments.

Impact on Vehicle Performance

The Meritor®/Wabco® R-12 Air Brake Relay Valve improves vehicle performance by effectively managing air pressure in the braking system. It speeds up brake response time, shortens stopping distances, and enhances vehicle control, particularly in challenging conditions. By ensuring stable air pressure, it provides reliable braking performance, boosting the overall safety and efficiency of heavy-duty vehicles.

Why Replacement is Important

Replacing a faulty or worn-out R-12 Air Brake Relay Valve is crucial for maintaining proper air pressure control in the braking system. A malfunctioning valve can lead to delayed brake response, inconsistent pressure distribution, and even brake failure, compromising safety. Prompt replacement ensures optimal braking performance, minimizes wear on other parts, and prolongs the life of the entire braking system—especially important for heavy-duty vehicles operating in challenging 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.