Gas Shock

The KYB Excel-G gas shock is a rear suspension damper engineered for GM full-size trucks from 2007 to 2022, delivering dependable ride quality and load control for daily driving and moderate towing applications. As a mechanic, you'll recognize this as a factory-replacement shock that restores the original suspension geometry and response characteristics that fade as OEM dampers age. Gas shocks are essential because they prevent fade under repeated compression cycles—critical for trucks that regularly carry payloads or encounter rough terrain.

KYB's twin-tube design uses pressurized nitrogen gas as a spring medium, which reduces aeration and maintains consistent damping force across wide temperature ranges and extended use. The steel housing with black paint finish protects against corrosion and road salt, while the monotube architecture provides superior heat dissipation compared to conventional hydraulic-only designs. This gas-charged construction means faster piston response and better resistance to fade during hard cornering or repeated bump cycles—exactly what you need when replacing worn rear dampers on a 2007–2022 GM Silverado, Sierra, or Suburban.

Truck owners and fleet operators benefit most from this shock when addressing ride harshness, excessive body roll, or uneven tire wear—all signs of degraded rear damping. Installation requires no spring replacement on most applications, making this a cost-effective refresh for mechanics serving customers who refuse to sacrifice handling for comfort. Verify fitment against your specific model year and cab configuration; this shock is position-specific and designed exclusively for rear-axle mounting on the listed GM full-size truck platform.