Description: Brake Air Governor Valve  
Condition: New
Brand: Mack®
Part Number: 745-XOR275491                                                                                             Cross Reference Part Number: 8235-R955275491, Q745284358RX

Installation Kit: 4 Bolts and Gasket 

Fitment Guide
International 
Navistar
Volvo 
Mack
Bendix
Freightliner
Wabco

Specifications  

The Brake Governor Valve, designed for air dryer systems, is an essential part of pneumatic braking. It maintains accurate air pressure control into the dryer unit, ensuring regulated dry air delivery for optimal brake performance. This component safeguards against pressure overload and moisture infiltration.

Dimensions: 3.5 x 5.45 x 2.75 in Functions: 
Brake application control: Determines the speed at which the brakes apply and release.
Air pressure regulation: Controls the amount of air pressure supplied to the brake chambers.
Preventing brake lockup: Helps prevent wheel lockup during braking, improving vehicle stability.
Safety enhancement: Contributes to overall vehicle safety by ensuring consistent and reliable braking performance.

Manufacturer information

Mack Trucks, Inc. is an American truck manufacturing company and a former manufacturer of buses and trolley buses. Founded in 1900 as the Mack Brothers Company, it manufactured its first truck in 1905 and adopted its present name in 1922.^[1] Since 2000, Mack Trucks has been a subsidiary of Volvo, which purchased Mack and its former parent company Renault Véhicules Industriels.^[2]

Founded originally in Brooklyn in 1900, the company moved its headquarters to Allentown, Pennsylvania, five years later, in 1905. The company remained in Allentown for over a century, from 1905 until 2009. In 2009, the company relocated its headquarters to Greensboro, North Carolina.^[3]

Warranty
First Truck Parts offers a 365-days warranty for all types of parts and in any condition. The warranty applies only to buyers who have placed an order on our website.