KYB Suspension Shock Absorber KG5420
KYB Suspension Shock Absorber KG5420

KYB Suspension Shock Absorber P/N:KG5420

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$82.99
MPN: KG5420
UPC: 781552054207
Item Package Quantity: 1
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KYB Suspension Shock Absorber P/N:KG5420
KYB Suspension Shock Absorber P/N:KG5420
$82.99

Firm up the ride and control body motion with the KYB Gas-a-just Suspension Shock Absorber KG5420, a high-pressure monotube gas shock for the rear position. It's a direct-fit replacement across a wide run of GM work trucks and vans — including the 1975-1986 Chevrolet C20, 1975-1999 Chevrolet P30, 1993-1996 Chevrolet G30, 1982-1989 Chevrolet P20, 1979-1986 GMC C2500, 1979-1999 GMC P3500, 1987-1991 GMC R3500, and the 1999-2000 Workhorse P32. See the Buyer's Guide tab for the full list of applications.

  • Monotube gas design: The high-pressure design separates the gas and oil for fade-free operation and instant response, avoiding the aeration seen in traditional twin-tube shocks.
  • Extra damping: Adds up to 25% more damping performance over original equipment shocks, with components and valving designed specifically for GM trucks that work, tow, and run larger, heavier tires and wheels.
  • Triple chrome-plated rod: An ultra-smooth triple chrome-plated piston rod reduces seal wear, since fluid leaking can be a cause of shock failure.
  • Steering response: The higher gas pressure responds quickly to improve steering response and helps keep Electronic Safety Systems performing as designed.

Interchange: 77488 · 34960

This part cross-references / interchanges with the following part numbers:

77488, 34960

Frequently Asked Questions

What is the KYB KG5420?

It's a KYB Gas-a-just high-pressure monotube gas shock absorber for the rear position, designed as a direct-fit replacement for a range of GM trucks and vans.

How is a monotube gas shock different from a twin-tube?

The high-pressure monotube design separates the gas and oil, which helps provide fade-free operation and instant response by avoiding the aeration that can affect twin-tube shocks.

Does it offer more damping than the original shocks?

KYB states the Gas-a-just adds up to 25% more damping performance over original equipment shocks, with components and valving designed specifically for GM trucks.

What are signs the rear shocks may need replacing?

Excessive bouncing, poor body control, uneven or accelerated tire wear, or fluid leaking from the shock can be signs a shock may need to be replaced. Diagnose the cause first.

Should I replace shocks in pairs?

This listing is for one shock. Replacing shocks as a matched pair across the axle is recommended for balanced, even ride control.

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