745102626RX | Genuine Volvo® Air Brake Relay Valve

Useful Information

Description: Air Brake Relay Valve
R-12 Air Brake Relay Valve
Condition: New
Brand: Mack®/Volvo® 
Part Number: 745102626RX
Cross Reference Part Number: 745-102626RX, 745102626RX

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: 3.06 lbs

Description and Purpose

Parts Finder Q offers the Mack®/Volvo® R-12 Air Brake Relay Valve, a durable stainless steel component designed to regulate 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 dependable brake engagement. Featuring a crack pressure of 4 PSI and a maximum pressure of 145 PSI, it is essential for maintaining superior braking performance. Compatible with a range of vehicles, such as Kenworth, Peterbilt, Freightliner, Volvo, and Mack, this valve is vital for enhancing the reliability of air brake systems in demanding commercial environments.

Impact on Vehicle Performance

The Mack®/Volvo® R-12 Air Brake Relay Valve plays a key role in enhancing vehicle performance by efficiently regulating and distributing air pressure within the braking system. By maintaining steady air pressure, it improves brake response times, reduces stopping distances, and boosts vehicle control, particularly in tough conditions. The valve's precise airflow management prevents issues like slow braking or uneven brake activation, ensuring smoother, more reliable braking. Overall, it supports the safety, efficiency, and optimal operation of the vehicle's air brake system, especially in heavy-duty commercial settings.

Why Replacement is Important

Replacing a worn or damaged Mack®/Volvo® R-12 Air Brake Relay Valve is essential for preserving the safety and performance of the vehicle's braking system. A faulty valve can cause uneven air pressure distribution, slow brake response, and even brake failure, compromising vehicle control and safety. Prompt replacement ensures accurate air pressure regulation, enhancing braking efficiency and reducing wear on other brake components. It also contributes to the overall longevity of the braking system, which is especially vital for heavy-duty vehicles in demanding conditions. Regular maintenance and timely replacement are critical for keeping the vehicle safe and dependable on the road.

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.