8167476 | D-2 Pneumatic Air Control Valve Genuine Volvo / Mack®
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Useful Information
Description: D-2 Pneumatic Air Control Valve
Condition: New
Brand: Volvo / Mack®
Part Number: 816747
Type: Valve
Model: D-2
Vehicle Compatibility:
Navistar
WESTERN STAR
Mack
Kenworth
International
Peterbilt
Freightliner
Volvo - VNL
WHITE
Specifications:
Weight: 1.19 lbs
Product Type: Brake
Operating Pressure: 110-130 PSI
Installation Kit: 4 Bolts and Gasket
Adjustability: Adjustable
Port Thread Size: 1/8-27 NPT
Mounting Dimension: 0.34 in
Port Size: 0.13 in
Maximum Operating Temperature: 200°F
Minimum Operating Temperature: -40°F
Description and Purpose
The D-2 Pneumatic Air Control Valve is a critical component in the air brake system of heavy-duty trucks. It regulates air pressure, ensuring proper operation of the braking system by controlling the air compressor's cut-in and cut-out pressure. This valve prevents excessive pressure buildup and ensures a stable air supply for consistent braking performance.
Why Replacement is Important
Over time, the air control valve can wear out, leading to pressure inconsistencies, delayed braking response, or even system failure. Replacing a faulty valve restores proper air regulation, ensuring safe and reliable braking. A new valve helps maintain system efficiency, reduces wear on the air compressor, and prevents costly downtime due to air brake malfunctions.
Impact on Vehicle Performance
A properly functioning D-2 valve ensures that the air compressor maintains an optimal pressure range (110-130 PSI), reducing strain on the braking system and enhancing overall safety. Its ability to operate in extreme temperatures (-40°F to 200°F) ensures reliability in various driving conditions. By maintaining steady air pressure, this valve contributes to smoother braking, prolonged component lifespan, and improved overall vehicle performance.
Manufacturer Information:
Mack Trucks, Inc. is a historic American truck manufaccturer, widely recognized for its durable and heavy-duty commercial vehicles. The company was originally founded in 1900 as the Mack Brothers Company and produced its first truck in 1905. In 1922, the company officially adopted the Mack Trucks nama, solidifying its brand in the trucking industry.
Throughout its history, Mack has been a major player in heavy-duty truck production and was also involved in manufacturing buses and trolleybuses. In 2000, Mack Trucks became a subsidiary of Volvo, following its acquisition along with its former parent company, Renault Véhicules Industriels.
Originally established in Brooklyn, New York, Mack moved its headquarters to Allentown, Pennsylvania, in 1905, where it remained for over a century. In 2009, the company relocated its headquarters to Greensboro, North Carolina, where it continues its legacy of producing reliable and powerful trucks for global markets.
Tags & Category: Air Brake, Brake Governor, Air Dryer, D2 Valve, Truck Brakes, Pneumatic Brakes, Pressure Regulator, Compressor Control, Heavy Duty Brakes, Air System, Truck Parts, Air Compressor, Brake Control, Pneumatic Valve, Brake Components
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.
