KYB 341670 Suspension Shock Absorber - Rear

KYB Excel-G Rear Shock for Pontiac GTO

The KYB Excel-G 341670 is a rear suspension shock absorber engineered to restore original ride control on the 2004-2006 Pontiac GTO. Built on KYB OE assembly lines and calibrated for factory-style performance, it supports stable handling, braking response, and lane-change control without changing the vehicle’s intended character.

Key Features

• KYB Excel-G OEA replacement shock for performance cars
• Fits 2004-2006 Pontiac GTO, rear
• Nitrogen gas-charged twin-tube design
• Triple-lip fluid seal helps reduce oil and gas leakage
• Vehicle-specific, hand-assembled damping valves manage tire contact, steering response, and body movement
• Strong strut body and bracket construction helps minimize flex and maintain alignment
• Dust cover included
• Made in USA

Product Details

KYB Excel-G shocks and struts are built to restore the vehicle’s original suspension behavior rather than alter it. Part number 341670 uses OE-quality components and factory-style calibration to help the 2004-2006 Pontiac GTO maintain predictable rear suspension control. This part cross-references Monroe Shocks & Struts 5786 for the same application. The Excel-G line is designed for drivers who want OE replacement performance with consistent damping characteristics and the fitment expected from a direct suspension service part.

Common Issues This Part Can Address

• Excessive rear bounce after bumps
• Reduced stability during braking or lane changes
• Loose or unsettled rear suspension feel
• Uneven tire contact caused by worn damping control
• Loss of factory ride control on the Pontiac GTO

Installation Notes and Tips

Compatible With 2004-2006 Pontiac GTO, rear. Replace the suspension strut and coil spring assembly according to the manufacturer’s instructions. Verify mount style and dimensions before installation: compressed length 15.08 in, extended length 25.85 in, stroke length 10.77 in, lower mount type E2(15X58), upper mount type S1. For best results, inspect related rear suspension components and confirm alignment after service.

Quality Assurance

KYB is a major OE supplier, and the Excel-G line is produced on the same assembly lines used for original-equipment shock and strut manufacturing. The 341670 is built with OE-quality components and calibrated to restore designed suspension performance on the Pontiac GTO.