FCS 342529 Shock Absorber - Rear

Rear Shock Absorber for Silverado and Sierra

FCS 342529 is a rear suspension shock absorber built for a wide range of Chevrolet Silverado 1500, Silverado 1500 Classic, GMC Sierra 1500, and Sierra 1500 Classic applications. With a compressed length of 15.31 inches, an extended length of 25.79 inches, and a 10.48-inch stroke, it matches the travel requirements for listed rear suspension setups.

FCS is the brand line on this part, and 342529 is cataloged as a direct-fit rear shock absorber for specific 2WD and 4WD truck configurations, including applications without electronic suspension and without Quadrasteer where noted.

Key Features

• Rear suspension shock absorber for listed Chevrolet and GMC truck applications
• Compressed length: 15.31 in.
• Extended length: 25.79 in.
• Stroke length: 10.48 in.
• Fits rear positions only
• Cataloged for multiple Silverado 1500, Silverado 1500 Classic, Sierra 1500, and Sierra 1500 Classic model years
• FCS part number 342529 for application matching

Detailed Description

FCS 342529 is a rear shock absorber for Chevrolet Silverado 1500 and Silverado 1500 Classic models from 1999-2007, plus GMC Sierra 1500 and Sierra 1500 Classic models from 1999-2007, with additional coverage for Chevrolet V3500, V30, K30, and GMC V3500 and K3500 rear suspension applications. Fitment varies by configuration, including exclusions for electronic suspension, Quadrasteer, HD, and Z71 Off Road Package on certain trucks. For buyers searching for a rear shock absorber for 2001-2006 Chevrolet Silverado 1500 or a rear shock for 1999-2006 GMC Sierra 1500, part number 342529 provides the listed dimensional match for the rear suspension location.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Rear-end bounce over bumps and uneven pavement
• Excessive body movement during braking or cornering
• Reduced damping performance from a worn rear shock
• Rear suspension instability on loaded or empty truck use
• Ride control issues on listed Silverado and Sierra applications

Installation Notes and Tips

• Verify rear fitment by year, model, and suspension configuration before ordering.
• Confirm the vehicle does not use electronic suspension, Quadrasteer, HD, or Z71 Off Road Package where excluded in the fitment notes.
• Match the compressed length, extended length, and stroke length to the original rear shock specification.
• Inspect mounting points, bushings, and surrounding suspension components during replacement.
• Use the rear position only; this part is not listed for front suspension applications.

Quality Assurance

FCS 342529 is cataloged to the listed vehicle applications and dimensional specifications for rear suspension service. The part number and fitment data provide the reference needed to confirm application accuracy before installation.