KYB Gas-a-Just Monotube Front Shock Absorber KG5478

The KYB Gas-a-just monotube shock absorber has additional performance advantages over the traditional twin-tube design: It can instantly, automatically adjust to your performance needs and never experiences fade due to aeration. The KYB Gas-a-just has two separate working chambers: An air-free hydraulic piston and valve area for responsiveness and control, and a second high-pressure nitrogen gas area with a floating piston that provides a comfortable ride during normal driving and adds instant performance on demand.

• Electronic safety systems depend on the suspension, brakes and tires operating as the vehicle manufacturer intended. The KYB Gas-a-just helps keep Electronic Safety Systems performing as designed.

The KYB Gas-a-Just monotube front shock absorber is engineered to provide responsive handling, improved control, and consistent performance for demanding street and utility driving. Part number KG5478 uses a high-pressure nitrogen gas chamber and floating piston design to keep the hydraulic working area free of aeration, helping the shock respond quickly when road conditions or driving demands change.

Unlike traditional twin-tube shock absorbers, the Gas-a-Just design automatically adjusts to changing performance needs and resists fade caused by aeration. During normal driving, it helps provide a controlled, comfortable ride; when additional control is required, the high-pressure gas system delivers an immediate performance response. This makes the KYB Gas-a-Just a practical upgrade for maintaining suspension control and restoring confidence behind the wheel.

Electronic safety systems depend on the suspension, brakes, and tires operating as the vehicle manufacturer intended. By helping maintain proper suspension control, the KYB Gas-a-Just supports the intended operation of electronic safety systems. This automotive shock absorber is listed for select Chevrolet Express and GMC Savana applications from the 1996 through 2002 model years, along with select 1998–1999 GMC Yukon applications. Always verify the vehicle configuration and application before installation.

What's Included

• One KYB Gas-a-Just monotube front shock absorber
• Application-specific shock absorber components as supplied by KYB

Fitment

Fits select Chevrolet Express 1500 and Express 2500 models from 1996–2002, GMC Savana 3500 models from 2000–2002, and GMC Yukon models from 1998–1999. Confirm exact fitment for the vehicle before purchase.

Features:

• Monotube Performance: Uses separate hydraulic and high-pressure nitrogen chambers for responsive handling and consistent control.
• Aeration Resistance: The air-free hydraulic working area helps prevent performance fade caused by aeration.
• Automatic Performance Adjustment: Responds instantly to changing road conditions and driving demands without manual adjustment.
• Electronic Safety Support: Helps the suspension operate as intended to support the designed performance of electronic safety systems.

Fitments:
1988 Chevrolet C1500 Cheyenne
1988 Chevrolet C1500 Scottsdale
1988 Chevrolet C1500 Silverado
1988 Chevrolet C2500 Cheyenne
1988 Chevrolet C2500 Scottsdale
1988 Chevrolet C2500 Silverado
1988 Chevrolet C3500 Cheyenne
1988 Chevrolet C3500 Scottsdale
1988 Chevrolet C3500 Silverado
1988 GMC C1500 Sierra
1988 GMC C1500 Sierra SLE
1988 GMC C1500 Sierra SLX
1988 GMC C2500 Sierra
1988 GMC C2500 Sierra SLE
1988 GMC C2500 Sierra SLX
1988 GMC C3500 Sierra
1988 GMC C3500 Sierra SLE
1988 GMC C3500 Sierra SLX
1989 Chevrolet C1500 Cheyenne
1989 Chevrolet C1500 Scottsdale
1989 Chevrolet C1500 Silverado
1989 Chevrolet C2500 Cheyenne
1989 Chevrolet C2500 Scottsdale
1989 Chevrolet C2500 Silverado
1989 Chevrolet C3500 Cheyenne
1989 Chevrolet C3500 Scottsdale
1989 Chevrolet C3500 Silverado
1989 GMC C1500 Sierra
1989 GMC C1500 Sierra SLE
1989 GMC C1500 Sierra SLX
1989 GMC C2500 Sierra
1989 GMC C2500 Sierra SLE
1989 GMC C2500 Sierra SLX
1989 GMC C3500 Sierra
1989 GMC C3500 Sierra SLE
1989 GMC C3500 Sierra SLX
1990 Chevrolet C1500 454 SS
1990 Chevrolet C1500 Cheyenne
1990 Chevrolet C1500 Scottsdale
1990 Chevrolet C1500 Silverado
1990 Chevrolet C1500 WT
1990 Chevrolet C2500 Cheyenne
1990 Chevrolet C2500 Scottsdale
1990 Chevrolet C2500 Silverado
1990 Chevrolet C3500 Cheyenne
1990 Chevrolet C3500 Scottsdale
1990 Chevrolet C3500 Silverado
1990 GMC C1500 Sierra
1990 GMC C1500 Sierra SLE
1990 GMC C1500 Sierra SLX
1990 GMC C2500 Sierra
1990 GMC C2500 Sierra SLE
1990 GMC C2500 Sierra SLX
1990 GMC C3500 Sierra
1990 GMC C3500 Sierra SLE
1990 GMC C3500 Sierra SLX
1991 Chevrolet C1500 454 SS
1991 Chevrolet C1500 Cheyenne
1991 Chevrolet C1500 Scottsdale
1991 Chevrolet C1500 Silverado
1991 Chevrolet C1500 WT
1991 Chevrolet C2500 Cheyenne
1991 Chevrolet C2500 Scottsdale
1991 Chevrolet C2500 Silverado
1991 Chevrolet C3500 Cheyenne
1991 Chevrolet C3500 Scottsdale
1991 Chevrolet C3500 Silverado
1991 GMC C1500 Sierra
1991 GMC C1500 Sierra SLE
1991 GMC C1500 Sierra SLX
1991 GMC C2500 Sierra
1991 GMC C2500 Sierra SLE
1991 GMC C2500 Sierra SLX
1991 GMC C3500 Sierra
1991 GMC C3500 Sierra SLE
1991 GMC C3500 Sierra SLX
1992 Chevrolet C1500 454 SS
1992 Chevrolet C1500 Cheyenne
1992 Chevrolet C1500 Scottsdale
1992 Chevrolet C1500 Silverado
1992 Chevrolet C1500 WT
1992 Chevrolet C1500 Suburban Base
1992 Chevrolet C1500 Suburban Silverado
1992 Chevrolet C2500 Cheyenne
1992 Chevrolet C2500 Scottsdale
1992 Chevrolet C2500 Silverado
1992 Chevrolet C2500 Suburban Base
1992 Chevrolet C2500 Suburban Silverado
1992 Chevrolet C3500 Cheyenne
1992 Chevrolet C3500 Scottsdale
1992 Chevrolet C3500 Silverado
1992 GMC C1500 Sierra
1992 GMC C1500 Sierra SLE
1992 GMC C1500 Sierra SLX
1992 GMC C1500 Suburban Base
1992 GMC C1500 Suburban SLE
1992 GMC C2500 Sierra
1992 GMC C2500 Sierra SLE
1992 GMC C2500 Sierra SLX
1992 GMC C2500 Suburban Base
1992 GMC C2500 Suburban SLE
1992 GMC C3500 Sierra
1992 GMC C3500 Sierra SLE
1992 GMC C3500 Sierra SLX
1993 Chevrolet C1500 454 SS
1993 Chevrolet C1500 Cheyenne
1993 Chevrolet C1500 Silverado
1993 Chevrolet C1500 WT
1993 Chevrolet C1500 Suburban Base
1993 Chevrolet C1500 Suburban Silverado
1993 Chevrolet C2500 Cheyenne
1993 Chevrolet C2500 Silverado
1993 Chevrolet C2500 Suburban Base
1993 Chevrolet C2500 Suburban Silverado
1993 Chevrolet C3500 Cheyenne
1993 Chevrolet C3500 Silverado
1993 GMC C1500 Sierra
1993 GMC C1500 Sierra SLE
1993 GMC C1500 Sierra SLX
1993 GMC C1500 Suburban Base
1993 GMC C1500 Suburban SLE
1993 GMC C2500 Sierra
1993 GMC C2500 Sierra SLE
1993 GMC C2500 Sierra SLX
1993 GMC C2500 Suburban Base
1993 GMC C2500 Suburban SLE
1993 GMC C3500 Sierra
1993 GMC C3500 Sierra SLE
1993 GMC C3500 Sierra SLX
1994 Chevrolet C1500 Base
1994 Chevrolet C1500 Cheyenne
1994 Chevrolet C1500 Silverado
1994 Chevrolet C1500 WT
1994 Chevrolet C1500 Suburban Base
1994 Chevrolet C1500 Suburban Silverado
1994 Chevrolet C2500 Base
1994 Chevrolet C2500 Cheyenne
1994 Chevrolet C2500 Silverado
1994 Chevrolet C2500 WT
1994 Chevrolet C2500 Suburban Base
1994 Chevrolet C2500 Suburban Silverado
1994 Chevrolet C3500 Base
1994 Chevrolet C3500 Cheyenne
1994 Chevrolet C3500 Silverado
1994 GMC C1500 Sierra SL
1994 GMC C1500 Sierra SLE
1994 GMC C1500 Sierra SLT
1994 GMC C1500 Sierra Special
1994 GMC C1500 Suburban Base
1994 GMC C1500 Suburban SLE
1994 GMC C2500 Sierra SL
1994 GMC C2500 Sierra SLE
1994 GMC C2500 Sierra SLT
1994 GMC C2500 Suburban Base
1994 GMC C2500 Suburban SLE
1994 GMC C3500 Sierra SL
1994 GMC C3500 Sierra SLE
1994 GMC C3500 Sierra SLT
1995 Chevrolet C1500 Base
1995 Chevrolet C1500 Cheyenne
1995 Chevrolet C1500 Silverado
1995 Chevrolet C1500 WT
1995 Chevrolet C1500 Suburban Base
1995 Chevrolet C1500 Suburban LS
1995 Chevrolet C1500 Suburban LT
1995 Chevrolet C2500 Base
1995 Chevrolet C2500 Cheyenne
1995 Chevrolet C2500 Silverado
1995 Chevrolet C2500 WT
1995 Chevrolet C2500 Suburban Base
1995 Chevrolet C2500 Suburban LS
1995 Chevrolet C2500 Suburban LT
1995 Chevrolet C3500 Base
1995 Chevrolet C3500 Cheyenne
1995 Chevrolet C3500 Silverado
1995 Chevrolet Tahoe Base
1995 Chevrolet Tahoe LS
1995 Chevrolet Tahoe LT
1995 GMC C1500 Sierra SL
1995 GMC C1500 Sierra SLE
1995 GMC C1500 Sierra SLT
1995 GMC C1500 Sierra Special
1995 GMC C1500 Suburban Base
1995 GMC C1500 Suburban SLE
1995 GMC C1500 Suburban SLT
1995 GMC C2500 Sierra SL
1995 GMC C2500 Sierra SLE
1995 GMC C2500 Sierra SLT
1995 GMC C2500 Suburban Base
1995 GMC C2500 Suburban SLE
1995 GMC C2500 Suburban SLT
1995 GMC C3500 Sierra SL
1995 GMC C3500 Sierra SLE
1995 GMC C3500 Sierra SLT
1995 GMC Yukon Base
1995 GMC Yukon SLE
1995 GMC Yukon SLT
1996 Chevrolet C1500 Base
1996 Chevrolet C1500 Cheyenne
1996 Chevrolet C1500 Silverado
1996 Chevrolet C1500 WT
1996 Chevrolet C1500 Suburban Base
1996 Chevrolet C1500 Suburban LS
1996 Chevrolet C1500 Suburban LT
1996 Chevrolet C2500 Base
1996 Chevrolet C2500 Cheyenne
1996 Chevrolet C2500 Silverado
1996 Chevrolet C2500 Suburban Base
1996 Chevrolet C2500 Suburban LS
1996 Chevrolet C2500 Suburban LT
1996 Chevrolet C3500 Base
1996 Chevrolet C3500 Cheyenne
1996 Chevrolet C3500 Silverado
1996 Chevrolet Express 1500 Base
1996 Chevrolet Express 1500 LS
1996 Chevrolet Express 2500 Base
1996 Chevrolet Express 2500 LS
1996 Chevrolet Express 3500 Base
1996 Chevrolet Express 3500 LS
1996 Chevrolet Tahoe Base
1996 Chevrolet Tahoe LS
1996 Chevrolet Tahoe LT
1996 GMC C1500 Sierra SL
1996 GMC C1500 Sierra SLE
1996 GMC C1500 Sierra SLT
1996 GMC C1500 Sierra Special
1996 GMC C1500 Suburban Base
1996 GMC C1500 Suburban SLE
1996 GMC C1500 Suburban SLT
1996 GMC C2500 Sierra SL
1996 GMC C2500 Sierra SLE
1996 GMC C2500 Sierra SLT
1996 GMC C2500 Suburban Base
1996 GMC C2500 Suburban SLE
1996 GMC C2500 Suburban SLT
1996 GMC C3500 Sierra SL
1996 GMC C3500 Sierra SLE
1996 GMC C3500 Sierra SLT
1996 GMC G3500 Magnavan
1996 GMC G3500 Rally
1996 GMC G3500 Rally Camper Special
1996 GMC G3500 Rally STX
1996 GMC G3500 Vandura
1996 GMC G3500 Vandura Special
1996 GMC Savana 1500 Base
1996 GMC Savana 1500 SLE
1996 GMC Savana 2500 Base
1996 GMC Savana 2500 SLE
1996 GMC Savana 3500 Base
1996 GMC Savana 3500 SLE
1996 GMC Yukon SL
1996 GMC Yukon SLE
1996 GMC Yukon SLT
1997 Chevrolet C1500 Base
1997 Chevrolet C1500 Cheyenne
1997 Chevrolet C1500 Silverado
1997 Chevrolet C1500 WT
1997 Chevrolet C1500 Suburban Base
1997 Chevrolet C1500 Suburban LS
1997 Chevrolet C1500 Suburban LT
1997 Chevrolet C2500 Base
1997 Chevrolet C2500 Cheyenne
1997 Chevrolet C2500 Silverado
1997 Chevrolet C2500 Suburban Base
1997 Chevrolet C2500 Suburban LS
1997 Chevrolet C2500 Suburban LT
1997 Chevrolet C3500 Base
1997 Chevrolet C3500 Cheyenne
1997 Chevrolet C3500 Silverado
1997 Chevrolet Express 1500 Base
1997 Chevrolet Express 1500 LS
1997 Chevrolet Express 2500 Base
1997 Chevrolet Express 2500 LS
1997 Chevrolet Express 3500 Base
1997 Chevrolet Express 3500 LS
1997 Chevrolet Tahoe Base
1997 Chevrolet Tahoe LS
1997 Chevrolet Tahoe LT
1997 GMC C1500 Sierra GT
1997 GMC C1500 Sierra SL
1997 GMC C1500 Sierra SLE
1997 GMC C1500 Sierra SLT
1997 GMC C1500 Sierra Special
1997 GMC C1500 Suburban Base
1997 GMC C1500 Suburban SLE
1997 GMC C1500 Suburban SLT
1997 GMC C2500 Sierra SL
1997 GMC C2500 Sierra SLE
1997 GMC C2500 Sierra SLT
1997 GMC C2500 Suburban Base
1997 GMC C2500 Suburban SLE
1997 GMC C2500 Suburban SLT
1997 GMC C3500 Sierra SL
1997 GMC C3500 Sierra SLE
1997 GMC C3500 Sierra SLT
1997 GMC Savana 1500 Base
1997 GMC Savana 1500 SLE
1997 GMC Savana 2500 Base
1997 GMC Savana 2500 SLE
1997 GMC Savana 3500 Base
1997 GMC Savana 3500 SLE
1997 GMC Yukon SL
1997 GMC Yukon SLE
1997 GMC Yukon SLT
1998 Chevrolet C1500 Cheyenne
1998 Chevrolet C1500 Silverado
1998 Chevrolet C1500 WT
1998 Chevrolet C1500 Suburban Base
1998 Chevrolet C1500 Suburban LS
1998 Chevrolet C2500 Cheyenne
1998 Chevrolet C2500 Silverado
1998 Chevrolet C2500 WT
1998 Chevrolet C2500 Suburban Base
1998 Chevrolet C2500 Suburban LS
1998 Chevrolet C3500 Cheyenne
1998 Chevrolet C3500 Silverado
1998 Chevrolet Express 1500 Base
1998 Chevrolet Express 1500 LS
1998 Chevrolet Express 2500 Base
1998 Chevrolet Express 2500 LS
1998 Chevrolet Express 3500 Base
1998 Chevrolet Express 3500 LS
1998 Chevrolet Tahoe Base
1998 Chevrolet Tahoe LS
1998 Chevrolet Tahoe LT
1998 GMC C1500 Sierra SL
1998 GMC C1500 Sierra SLE
1998 GMC C1500 Sierra SLT
1998 GMC C1500 Sierra Special
1998 GMC C1500 Suburban Base
1998 GMC C1500 Suburban SLE
1998 GMC C1500 Suburban SLT
1998 GMC C2500 Sierra SL
1998 GMC C2500 Sierra SLE
1998 GMC C2500 Sierra SLT
1998 GMC C2500 Suburban Base
1998 GMC C2500 Suburban SLE
1998 GMC C2500 Suburban SLT
1998 GMC C3500 Sierra SL
1998 GMC C3500 Sierra SLE
1998 GMC C3500 Sierra SLT
1998 GMC Savana 1500 Base
1998 GMC Savana 1500 SLE
1998 GMC Savana 2500 Base
1998 GMC Savana 2500 SLE
1998 GMC Savana 3500 Base
1998 GMC Savana 3500 SLE
1998 GMC Yukon SLE
1998 GMC Yukon SLT
1999 Chevrolet C1500 LS
1999 Chevrolet C1500 Suburban Base
1999 Chevrolet C1500 Suburban LS
1999 Chevrolet C1500 Suburban LT
1999 Chevrolet C2500 Base
1999 Chevrolet C2500 LS
1999 Chevrolet C2500 Suburban Base
1999 Chevrolet C2500 Suburban LS
1999 Chevrolet C3500 Base
1999 Chevrolet C3500 LS
1999 Chevrolet Express 1500 Base
1999 Chevrolet Express 1500 LS
1999 Chevrolet Express 2500 Base
1999 Chevrolet Express 2500 LS
1999 Chevrolet Express 3500 Base
1999 Chevrolet Express 3500 LS
1999 Chevrolet Tahoe Base
1999 Chevrolet Tahoe LS
1999 Chevrolet Tahoe LT
1999 GMC C1500 Sierra SL
1999 GMC C1500 Sierra SLE
1999 GMC C1500 Sierra SLT
1999 GMC C1500 Suburban Base
1999 GMC C1500 Suburban SLE
1999 GMC C1500 Suburban SLT
1999 GMC C2500 Sierra SL
1999 GMC C2500 Sierra SLE
1999 GMC C2500 Sierra SLT
1999 GMC C2500 Suburban Base
1999 GMC C2500 Suburban SLE
1999 GMC C2500 Suburban SLT
1999 GMC C3500 Sierra SL
1999 GMC C3500 Sierra SLE
1999 GMC C3500 Sierra SLT
1999 GMC Savana 1500 Base
1999 GMC Savana 1500 SLE
1999 GMC Savana 2500 Base
1999 GMC Savana 2500 SLE
1999 GMC Savana 3500 Base
1999 GMC Savana 3500 SLE
1999 GMC Yukon Denali
1999 GMC Yukon SLE
1999 GMC Yukon SLT
2000 Chevrolet C2500 Base
2000 Chevrolet C2500 LS
2000 Chevrolet C3500 Base
2000 Chevrolet C3500 LS
2000 Chevrolet Express 1500 Base
2000 Chevrolet Express 1500 LS
2000 Chevrolet Express 2500 Base
2000 Chevrolet Express 2500 LS
2000 Chevrolet Express 3500 Base
2000 Chevrolet Express 3500 LS
2000 Chevrolet Tahoe Limited
2000 Chevrolet Tahoe Z71
2000 GMC C2500 Sierra SL
2000 GMC C2500 Sierra SLE
2000 GMC C2500 Sierra SLT
2000 GMC C3500 Sierra SL
2000 GMC C3500 Sierra SLE
2000 GMC C3500 Sierra SLT
2000 GMC Savana 1500 Base
2000 GMC Savana 1500 SLE
2000 GMC Savana 2500 Base
2000 GMC Savana 2500 SLE
2000 GMC Savana 3500 Base
2000 GMC Savana 3500 SLE
2001 Chevrolet Express 1500 Base
2001 Chevrolet Express 1500 LS
2001 Chevrolet Express 1500 LT
2001 Chevrolet Express 2500 Base
2001 Chevrolet Express 2500 LS
2001 Chevrolet Express 3500 Base
2001 Chevrolet Express 3500 LS
2001 GMC Savana 1500 Base
2001 GMC Savana 1500 SLT
2001 GMC Savana 2500 Base
2001 GMC Savana 3500 Base
2001 GMC Savana 3500 SLT
2002 Chevrolet Express 1500 Base
2002 Chevrolet Express 1500 LS
2002 Chevrolet Express 1500 LT
2002 Chevrolet Express 2500 Base
2002 Chevrolet Express 2500 LS
2002 Chevrolet Express 3500 Base
2002 Chevrolet Express 3500 LS
2002 GMC Savana 1500 Base
2002 GMC Savana 1500 SLT
2002 GMC Savana 2500 Base
2002 GMC Savana 2500 SLT
2002 GMC Savana 3500 Base
2002 GMC Savana 3500 SLT

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1