KYB 3450008 Shock Absorber - Rear

Overview of KYB Excel-G Suspension Shock Absorber 3450008

The KYB Excel-G Suspension Shock Absorber 3450008 is designed specifically for Chevrolet and GMC heavy-duty trucks, including the Sierra 3500 HD and Silverado 3500 HD. This shock absorber restores original ride quality and handling by matching the vehicle's factory specifications.

• Compressed length: 13.77 inches
• Extended length: 22.4 inches
• Stroke length: 8.63 inches
• Lower mount type: E2 (14.6x42)
• Upper mount type: E2 (14.6x42)
• Includes dust cover for added protection
• No internal rebound spring, B-stop, or R-stop

Detailed Product Description

The KYB Excel-G 3450008 shock absorber is engineered to meet the exact dimensions and mounting requirements of Chevrolet Sierra 3500 HD and Silverado 3500 HD models. With a compressed length of 13.77 inches and an extended length of 22.4 inches, it provides an 8.63-inch stroke length to effectively control suspension movement. Both the upper and lower mounts use the E2 (14.6x42) type, ensuring a secure fit and proper alignment. The included dust cover helps protect the shock shaft from dirt and debris, extending the service life of the component. This model does not include an internal rebound spring or bump stops (B-stop and R-stop), which aligns with the original equipment design for these heavy-duty trucks.

About the KYB Excel-G Product Line

The Excel-G line from KYB is designed to restore original equipment ride quality and handling characteristics. These shocks and struts are engineered to meet or exceed OEM specifications, making them suitable replacements for factory-installed suspension components. The Excel-G series focuses on providing consistent damping performance and durability, which is essential for heavy-duty vehicles like the Chevrolet Sierra 3500 HD and Silverado 3500 HD.

Common Applications and Problem Solving

• Reduces excessive bouncing and body roll during heavy loads
• Improves vehicle stability and control on rough or uneven terrain
• Restores factory ride comfort lost due to worn shocks
• Minimizes suspension noise and harshness
• Prevents premature tire wear caused by poor shock absorption

Installation Notes and Tips

• Ensure compatibility with Chevrolet Sierra 3500 HD and Silverado 3500 HD models before installation
• Inspect mounting points for wear or damage prior to installation
• Use proper tools to avoid damaging the E2 (14.6x42) upper and lower mounts
• Replace shocks in pairs to maintain balanced suspension performance
• Verify compressed and extended lengths match vehicle specifications

Quality Assurance and Warranty

KYB Excel-G shock absorbers are manufactured to meet strict quality standards and OEM specifications. The 3450008 part number undergoes rigorous testing to ensure durability and consistent performance. While specific warranty details may vary, KYB typically offers a limited warranty covering defects in materials and workmanship. Refer to KYB documentation for exact warranty terms applicable to this suspension shock absorber.