KYB Suspension Shock Absorber P/N:KG54321

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$83.99
MPN: KG54321
UPC: 781552001416
Item Package Quantity: 1
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KYB Suspension Shock Absorber P/N:KG54321
KYB Suspension Shock Absorber P/N:KG54321
$83.99

Take control of the rear ride with this KYB shock absorber — the Gas-a-just High Pressure Monotube Gas unit (KG54321), a direct-fit replacement for the listed applications: the 1997-2010 Dodge Dakota, 1999-2003 Dodge Durango, 2006-2009 Mitsubishi Raider, and 2011 Ram Dakota (see the Buyer's Guide tab for engine-level details). This is a rear-position shock.

  • Monotube gas design: two separate working chambers — an air-free hydraulic piston and valve area for responsiveness and control, plus a high-pressure nitrogen area with a floating piston. Separating the gas and oil is designed to give fade-free operation and instant response.
  • Built for trucks: components and valving designed specifically for trucks, adding up to 25% more damping over original equipment shocks for vehicles that work, tow, and run larger, heavier tires and wheels.
  • Triple chrome-plated piston rod: the ultra-smooth rod is intended to reduce seal wear, since fluid leaking can be a cause of shock failure.
  • Steering & safety: the higher gas pressure responds quickly to help improve steering response, and helps keep electronic safety systems performing as designed.

Signs a rear shock may need replacing include excessive bouncing, poor ride control, uneven tire wear, or fluid leaking from the body. Sold individually — this listing is for one; replacing both sides as a matched pair is recommended for balanced ride control.

Interchange: 152855683AE · 152855684AE · 52038559 · 52038560 · 52038563 · 68020855AB · 68056330AA · 68056331AA · 68056333AA · 77403 · 37138

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

152855683AE, 152855684AE, 52038559, 52038560, 52038563, 68020855AB, 68056330AA, 68056331AA, 68056333AA, 77403, 37138

Frequently Asked Questions

What vehicles does the KYB Gas-a-just shock KG54321 fit?

It's a rear shock for the 1997-2010 Dodge Dakota, 1999-2003 Dodge Durango, 2006-2009 Mitsubishi Raider, and 2011 Ram Dakota. See the Buyer's Guide tab for engine-level details.

What makes this KYB gas shock absorber a monotube?

It uses two separate chambers — an air-free hydraulic piston and valve area, plus a high-pressure nitrogen area with a floating piston. Separating the gas and oil is designed for fade-free operation and instant response.

How much more damping does it provide?

KYB states the Gas-a-just adds up to 25% more damping over original equipment shocks, with components and valving designed specifically for trucks that work, tow, and run larger, heavier tires and wheels.

Do I need to replace both rear shocks?

They're sold individually, and this listing is for one. Replacing both sides as a matched pair is recommended for even, balanced ride control.

What are signs my rear shocks may need replacing?

Excessive bouncing, poor ride control, uneven tire wear, or fluid leaking from the shock body. If a worn shock is the cause, this replaces it.