20QE4200 | Genuine Volvo / Mack® R-12P Pilot Relay Valve Assembly
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Parts Finder Q offers a 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.
Useful Information
Description: R-12P Pilot Relay Valve Assembly
Condition: New
Brand: Volvo / Mack®
Part Number: 20QE4200
Medel: R-12P
Type: Relay Valve
Vehicle Compatibility:
International / Navistar
Volvo / Mack
Specifications:
Weight: 2 lbs
Delivery Ports: 1/2" (2)
Supply Ports: 1/2" (2)
Exterior: Machined
Control Port: 1/4"
Description and Purpose
The Volvo / Mack® R-12P Pilot Relay Valve is a key component in the air brake system, designed to regulate and control air pressure distribution to brake chambers. It helps ensure faster brake response times by relaying air pressure from the primary control valve to the brakes. This improves braking efficiency, especially in larger vehicles where air must travel longer distances.
Why Replacement is Important
Over time, relay valves can wear out due to exposure to high-pressure air, contaminants, and moisture. A faulty or failing valve may lead to delayed brake response, air leaks, or inconsistent braking pressure, which can compromise vehicle safety. Replacing the relay valve restores proper brake function, reduces braking lag, and ensures compliance with braking performance standards.
Impact on Vehicle Performance
A properly functioning relay valve enhances braking efficiency, allowing for quicker and more reliable stopping power. This improves overall vehicle safety and driver control, reducing the risk of brake failure. Regular replacement and maintenance of the valve help maintain optimal air brake system performance, prolonging the lifespan of other braking components.
Manufacturer Information:
Volvo AB, commonly known as Volvo, is a Swedish industrial conglomerate specializing in the manufacturing of trucks, buses, construction equipment, and marine and industrial engines. Founded in 1927 with support from the SKF company, Volvo's name originates from the Latin word "volvo," meaning "I roll."
Originally part of AB Volvo since its inception, the passenger car division, Volvo Cars, has been owned by the Chinese automotive group Geely since 2010, following an 11-year period under Ford's ownership.
Volvo has been producing trucks and buses since 1928 and is now one of the world's leading manufacturers in the heavy vehicle industry. As the second-largest truck manufacturer globally, Volvo restructured its truck division in 2002, organizing it into three distinct brands: Renault Trucks, Mack Trucks, and Volvo Trucks. In 2006, UD Trucks joined the group, strengthening Volvo's presence in the Asian market.
Tags Category: R-12P, Pilot Relay Valve, Air Brake Valve, Truck Parts, Heavy-Duty, OEM, Replacement, Brake System, Industrial, Semi-Truck, Commercial Vehicle, Durable, High-Performance, Quick Response, Air 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.
