SKP SK52389 Suspension Control Arm Bumper - Front Lower

Front Lower Suspension Control Arm Bumper

SKP SK52389 is a front lower suspension control arm bumper for select Chevrolet, GMC, and Cadillac trucks and SUVs. It is used on applications with round bumper design and specific RPO package requirements, including Z71 off-road chassis setups on many Silverado and Sierra models.

Key Features

• Front lower suspension control arm bumper application
• Round design for the listed fitments
• Compatible with select Chevrolet Silverado 1500 and GMC Sierra 1500 models with RPO Code Z71
• Also fits select Silverado 1500 HD, Sierra 1500 HD, and Classic body applications
• Part number SK52389 for easy identification

Detailed Fitment and Use

SK52389 is a suspension control arm bumper that mounts in the front lower position to help maintain proper suspension contact and limit harsh metal-to-metal impact at full compression. It is a direct-fit service part for vehicles such as the Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac Escalade in the listed years and configurations. This part cross-references 523089 for the same application.

• Fits 2007 Chevrolet Silverado 1500 Classic, front lower, w/ RPO Code Z71 (Off Road Chassis Package); Round
• Fits 2007 Chevrolet Silverado 1500 HD Classic, front lower, w/ RPO Code Z71 (Off Road Chassis Package); Round
• Fits 2007 GMC Sierra 1500 Classic, front lower, w/ RPO Code Z71 (Off Road Chassis Package); Round
• Fits 2007 GMC Sierra 1500 HD Classic, front lower, w/ RPO Code Z71 (Off Road Chassis Package); Round
• Fits 2005-2006 Cadillac Escalade, front lower, Round; w/o RPO Code ZW7 (Premium Smooth Ride Package)
• Fits 1999-2006 Chevrolet Silverado 1500, front lower, w/ RPO Code Z71 (Off Road Chassis Package); Round
• Fits 2005-2006 Chevrolet Silverado 1500 HD, front lower, w/ RPO Code Z71 (Off Road Chassis Package); Round
• Fits 2001-2003 Chevrolet Silverado 1500 HD, front lower, w/ RPO Code Z71 (Off Road Chassis Package); Round
• Fits 1999-2006 GMC Sierra 1500, front lower, w/ RPO Code Z71 (Off Road Chassis Package); Round
• Fits 2005-2006 GMC Sierra 1500 HD, front lower, w/ RPO Code Z71 (Off Road Chassis Package); Round
• Fits 2001-2003 GMC Sierra 1500 HD, front lower, w/ RPO Code Z71 (Off Road Chassis Package); Round
• Fits 2002-2004 Cadillac Escalade, front lower, Round

Common Replacement Reasons

• Worn or deteriorated suspension bumper material
• Excessive suspension bottoming-out noise
• Harsh impact at full compression
• Loss of proper bump stop contact in the front lower suspension

Installation Notes

Verify the vehicle’s RPO code and bumper shape before ordering, since this part is specific to round front lower applications and certain Z71-equipped trucks. Confirm the model year, trim, and suspension package on the vehicle before installation. SK52389 is commonly searched as a front lower suspension control arm bumper for Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac Escalade applications.

Quality Assurance

SKP replacement suspension components are cataloged for direct-fit service applications and are identified by part number SK52389 for accurate ordering and replacement matching.