MIDA86473 | 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: MIDA86473 
Cross Reference Part Number: MIDA86473, TDARA86473, ZZA86473, 8235RA86473, 5396A86473

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 offers the Bendix® R-12 Air Brake Relay Valve, a premium stainless steel component designed 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 ensures efficient air flow for rapid and reliable brake activation. With a crack pressure of 4 PSI and a maximum pressure of 145 PSI, it is essential for maintaining safe and effective braking performance. Compatible with a wide range of vehicles, including Kenworth, Peterbilt, Freightliner, Volvo, and Mack, this valve plays a critical role in improving the reliability of air brake systems in demanding commercial environments.

Impact on Vehicle Performance  

The Bendix® R-12 Air Brake Relay Valve is essential for enhancing the performance and safety of heavy-duty vehicles by efficiently regulating air pressure within the braking system. By precisely distributing air pressure to the brakes, it ensures quicker response times and improved braking efficiency, reducing stopping distances and enhancing overall vehicle control. With a crack pressure of 4 PSI, the valve enables smooth brake system activation, while its ability to handle up to 145 PSI guarantees reliable performance under demanding conditions. A properly maintained relay valve minimizes brake component wear, prevents air leaks, and ensures consistent functionality, making it crucial for maintaining optimal vehicle performance in both everyday and high-intensity applications.

Why Replacement is Important

Replacing a defective or worn Bendix® R-12 Air Brake Relay Valve is crucial for maintaining the safety, reliability, and efficiency of a vehicle’s braking system. A faulty relay valve can cause delayed brake response, uneven air pressure distribution, and even brake failure, significantly compromising vehicle control and safety. Regular replacement ensures accurate air pressure regulation, optimal braking performance, and compliance with safety standards. Prompt replacement also helps reduce wear on other brake components, lowering maintenance costs and extending the overall lifespan of the braking system—an especially important consideration 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.