KYB KG54335 Shock Absorber - Rear

KYB Gas-a-Just Rear Shock for Toyota Tundra

The KYB Gas-a-Just KG54335 is a rear monotube shock absorber built to restore OE-style control on select Toyota Tundra applications. It uses separate hydraulic and high-pressure gas chambers to deliver responsive damping, stable ride quality, and quicker steering response when the suspension is working harder.

Key Features

• Monotube design with separate gas and oil chambers for fade-resistant operation and fast response
• Up to 25% more damping performance than original equipment shocks
• Engineered specifically for Toyota Tundra rear suspension applications
• Additional damping for trucks that work, tow, or run larger, heavier tires and wheels
• Triple chrome plated piston rod helps reduce seal wear and fluid leakage
• Supports consistent operation of electronic safety systems by helping the suspension perform as designed
• Dust cover included

Product Details

Gas-a-Just is KYB’s monotube shock line for drivers who want firmer control without giving up everyday ride comfort. The KG54335 uses a high-pressure nitrogen gas charge and an air-free hydraulic working area to improve responsiveness over OE-style twin-tube designs. For rear suspension service on a Toyota Tundra, this KYB Gas-a-Just shock absorber helps restore control, reduce body motion, and maintain predictable handling under load. This part number, KG54335, is a direct-fit rear shock option for 2000-2006 Toyota Tundra applications listed below.

This part cross-references Monroe Shocks & Struts 37239 for the same application.

What It Helps Address

• Excessive rear bounce or oscillation
• Reduced control when towing or carrying heavier loads
• Soft or inconsistent damping from worn shocks
• Steering response that feels delayed after suspension wear
• Ride instability caused by larger tires and wheels

Installation Notes and Fitment

Fits 2004-2006 Toyota Tundra, rear. Replace suspension strut and coil spring assembly according to manufacturer instructions; Gas-a-Just.

Fits 2000-2003 Toyota Tundra, rear. Recommended OEM replacement; w/o TRD Package; Gas-a-Just.

Verify compressed length, extended length, and mount style before installation. KG54335 uses an E2(12X32) lower mount and S1 upper mount, with a compressed length of 13.23 in., extended length of 20.87 in., and stroke length of 7.64 in.

Quality Assurance

KYB designs Gas-a-Just shocks as OE monotube replacement components to help restore original suspension capability. The monotube construction, high-pressure gas charge, and chrome-plated rod are used to support consistent damping performance and reduce wear in demanding rear suspension service.