86824R93 | 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: 86824R93 
Cross Reference Part Number: 86824R93 

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 robust stainless steel component engineered to control and distribute air pressure within the braking systems of heavy-duty vehicles. With (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 engagement. Featuring a crack pressure of 4 PSI and a maximum pressure of 145 PSI, it plays a critical role in maintaining safe and effective braking performance. Compatible with vehicles like Kenworth, Peterbilt, Freightliner, Volvo, and Mack, this valve is essential for enhancing the reliability of air brake systems in demanding commercial environments.

Impact on Vehicle Performance  

The Bendix® R-12 Air Brake Relay Valve plays an essential role in enhancing the performance and safety of heavy-duty vehicles by effectively managing air pressure within the braking system. By precisely directing air pressure to the brakes, it improves response times and braking efficiency, resulting in shorter stopping distances and better vehicle control. With a crack pressure of 4 PSI, the valve ensures smooth brake activation, while its ability to handle up to 145 PSI guarantees reliable performance in demanding conditions. Routine maintenance of the relay valve reduces brake component wear, prevents air leaks, and ensures consistent operation, making it crucial for maintaining optimal vehicle performance in both everyday and high-intensity environments.

Why Replacement is Important

Replacing a faulty or worn Bendix® R-12 Air Brake Relay Valve is essential for maintaining the safety, reliability, and efficiency of a vehicle's braking system. A malfunctioning valve can cause slow brake response, uneven air pressure distribution, and even brake failure, putting vehicle control and safety at risk. Prompt replacement ensures accurate air pressure regulation, optimal braking performance, and adherence to safety standards. It also helps minimize excessive wear on other brake components, lowering maintenance costs and extending the lifespan of the braking system—especially important for heavy-duty vehicles 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.