Differential Cover

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A-Premium®Part # APOP017

Rear Differential Cover for Chevrolet Avalanche 2500 Suburban GMC C3500 HD 85-09

$62.99

Quantity Less than 3

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3-year warranty

90 days free return

Fits 2002 - 2006 Chevrolet Avalanche 2500, 1985 - 1986 Chevrolet C20, 1985 - 1986 Chevrolet C20 Suburban, 1988 - 2000 Chevrolet C2500, 1992 - 1999 Chevrolet C2500 Suburban, 1985 - 1986 Chevrolet C30, 1988 - 2000 Chevrolet C3500, 1991 - 2000 Chevrolet C3500HD, 1997 - 2002 Chevrolet Express 2500, 1996 - 2002 Chevrolet Express 3500, 2009 - 2009 Chevrolet Silverado 2500 HD, 2001 - 2008 Chevrolet Silverado 2500 HD, 2007 - 2007 Chevrolet Silverado 2500 HD Classic, 1999 - 2004 Chevrolet Silverado 2500, 2005 - 2005 Chevrolet Silverado 2500 (Mexico), 2000 - 2008 Chevrolet Suburban 2500, 1992 - 1996 Chevrolet G30, 1991 - 1991 Chevrolet G30, 1990 - 2000 Chevrolet K2500, 1992 - 1999 Chevrolet K2500 Suburban, 1990 - 2000 Chevrolet K3500, 1988 - 1989 Chevrolet K3500, 1987 - 1988 Chevrolet R20, 1987 - 1988 Chevrolet R20 Suburban, 1987 - 1988 Chevrolet R30, 1989 - 1989 Chevrolet R2500, 1989 - 1991 Chevrolet R2500 Suburban, 1989 - 1991 Chevrolet R3500, 1987 - 1988 Chevrolet V20 Suburban, 1987 - 1988 Chevrolet V30, 1989 - 1991 Chevrolet V2500 Suburban, 1989 - 1991 Chevrolet V3500, 1985 - 1986 Chevrolet K20 Suburban, 1985 - 1986 Chevrolet K30, 1985 - 1989 Chevrolet P20, 1985 - 1999 Chevrolet P30, 1985 - 2000 GMC C2500, 1985 - 1999 GMC C2500 Suburban, 1985 - 2000 GMC C3500, 1998 - 2000 GMC C3500HD, 1992 - 1996 GMC G3500, 1991 - 1991 GMC G3500, 1990 - 2000 GMC K2500, 1985 - 1999 GMC K2500 Suburban, 1990 - 2000 GMC K3500, 1985 - 1989 GMC K3500, 1985 - 1989 GMC P2500, 1985 - 1999 GMC P3500, 1987 - 1989 GMC R2500, 1987 - 1991 GMC R2500 Suburban, 1987 - 1991 GMC R3500, 1999 - 2004 GMC Sierra 2500, 2009 - 2009 GMC Sierra 2500 HD, 2001 - 2008 GMC Sierra 2500 HD, 2007 - 2007 GMC Sierra 2500 HD Classic, 1997 - 2002 GMC Savana 2500, 1996 - 2002 GMC Savana 3500, 1987 - 1991 GMC V2500 Suburban, 1987 - 1991 GMC V3500, 2008 - 2008 GMC Yukon XL 2500, 2000 - 2007 GMC Yukon XL 2500

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Vehicle: GMC K3500

Specifications

What is a differential cover in the car?

The differential cover, also known as the differential housing or axle housing, is a protective casing that encloses the differential gears and related components in the car's rear or front axle. The differential is a critical component in a car's drivetrain that allows the wheels to rotate at different speeds during turns. It distributes power from the engine to the wheels while enabling them to rotate at different rates, ensuring smooth cornering and stability. Differential covers can be made of various materials, including cast iron, aluminum, or steel, depending on the vehicle's design and intended use.

Functions of a differential cover

The differential cover serves several important functions:

Protection: The primary purpose of the differential cover is to protect the differential gears, bearings, and other internal components from debris, water, and contaminants that could cause damage or premature wear.
Oil retention: The differential cover helps contain the gear oil, which lubricates the gears and bearings, reducing friction and heat generation. Adequate lubrication is essential to ensure the differential operates smoothly and efficiently.
Structural integrity: The differential cover contributes to the structural integrity of the axle housing, providing support and rigidity to the entire axle assembly.
Dissipating heat: The differential cover acts as a heat sink, helping to dissipate heat generated during operation, ensuring the differential stays within an optimal operating temperature range.

Regular inspection and maintenance of the differential cover and its seal are essential to ensure proper lubrication and protection of the differential components, contributing to the vehicle's longevity and performance.