KYB KG5443 Shock Absorber - Rear

KYB Gas-a-just Rear Shock for Ford Trucks

The KYB Gas-a-just KG5443 is a monotube rear shock absorber built for Ford truck applications that need firmer control, quicker response, and consistent damping under load. It is designed for 1980-1997 Ford F-250 and Ford F-350 rear suspension applications, including trucks used for towing, hauling, and larger wheel and tire setups.

Gas-a-just Performance Line

KYB Gas-a-just shocks use a monotube design with separate gas and oil chambers for fast response and fade-resistant operation. The Gas-a-just line is aimed at trucks that work harder than a standard daily driver, with valving and components tuned for Ford truck use and added damping over OE design.

Key Features

• Part number KG5443
• Monotube shock absorber design for rear suspension control
• Up to 25% more damping performance than original equipment shocks
• High-pressure nitrogen gas and hydraulic chambers for responsive, fade-free operation
• Triple chrome plated piston rod helps reduce seal wear and fluid leakage
• Higher gas pressure improves steering response and suspension control
• Dust cover included
• Designed for Ford truck applications with towing and heavier wheel/tire demands

Detailed Description

The KYB Gas-a-just KG5443 rear shock absorber is engineered to deliver more controlled damping than a conventional twin-tube shock. Its monotube construction separates the gas and oil, which helps maintain consistent performance and immediate response when the suspension is working hard. For Ford F-250 and Ford F-350 rear applications, this design supports trucks that see load changes, rough roads, and frequent towing.

This part cross-references Monroe Shocks & Struts 34930 for the same application. The KG5443 also aligns with Ford truck replacement needs where a direct-fit rear shock is required for 1980-1997 Ford F-250 and 1980-1997 Ford F-350 rear suspension service, depending on configuration.

What It Helps Address

• Excessive rear-end bounce after bumps or dips
• Reduced control when towing or carrying heavy loads
• Shock fade from repeated suspension movement
• Slow response in trucks with larger, heavier tires and wheels
• Wear-related fluid leakage from aging rear shocks

Installation Notes and Tips

Verify rear fitment by year, model, and suspension configuration before installation. This shock uses an E2(12X38) lower mount and E1 upper mount, with a compressed length of 15.28 inches, extended length of 25.12 inches, and 9.84 inches of stroke. Confirm mounting points and suspension travel on the vehicle before replacing the original shock.

• Fits 1985-1997 Ford F-350, rear, Monotube Performance Upgrade; w/ Monobeam Front Suspension and w/ Dual Rear wheels; Gas-a-just
• Fits 1980-1991 Ford F-250, rear, Install a monotube shock absorber to enhance performance.; Gas-a-just
• Fits 1980-1985 Ford F-350, rear, Monotube Performance Upgrade; w/ Independent Front Suspension; Gas-a-just

Quality Assurance

KYB designs the Gas-a-just line with high-pressure monotube construction, precision valving, and a chrome piston rod to support consistent damping and reduced seal wear. The KG5443 is built for Ford truck rear suspension applications where stable control and repeatable performance matter.