KYB Suspension Shock Absorber P/N:555057

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$112.99
MPN: 555057
UPC: 781552597735
Item Package Quantity: 1
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KYB Suspension Shock Absorber P/N:555057
KYB Suspension Shock Absorber P/N:555057
$112.99

Firm up the ride and restore fade-free control with the KYB shock absorber Gas-a-just monotube (MPN 555057), a direct-fit rear shock for the 2005-2012 Nissan Pathfinder. This high-pressure monotube gas shock separates the gas and oil in two working chambers — an air-free hydraulic piston-and-valve area for responsiveness plus a high-pressure nitrogen chamber with a floating piston — for controlled damping and instant response on demand.

  • High-pressure monotube design: separates gas and oil for fade-free operation and instant response.
  • Triple chrome-plated piston rod: an ultra-smooth rod helps reduce seal wear, since fluid leaking can be a cause of shock failure.
  • Higher gas pressure: responds quickly to help improve steering response, and adds up to 25% more damping over original-equipment shocks.
  • Application-tuned: components and valving designed specifically for the Nissan Pathfinder, with extra damping for vehicles that work, tow, and run larger, heavier tires and wheels.

Electronic safety systems depend on the suspension, brakes, and tires working as intended; the Gas-a-just helps keep those systems performing as designed. This is a rear-position shock — sold individually; order 2 to replace both sides as a matched pair for balanced ride and handling.

Interchange: G64033 · 37274 · 56200EA525 · 56200EA585 · E6200ZS61B

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

G64033, 37274, 56200EA525, 56200EA585, E6200ZS61B

Frequently Asked Questions

What vehicles does KYB 555057 fit?

It is a direct-fit rear shock absorber for the 2005-2012 Nissan Pathfinder. See the Buyer's Guide tab to confirm the exact fit for your vehicle.

Is this a gas or hydraulic shock?

It is a KYB gas shock absorber — a high-pressure monotube Gas-a-just design that separates the nitrogen gas and oil into two chambers for fade-free operation and instant response.

What position does this shock mount in?

This is a rear-position shock absorber for the listed Pathfinder applications. It is sold individually.

Should I replace shocks in pairs?

Replacing both rear shocks together as a matched pair is recommended for balanced ride and handling. This listing is for one shock, so order 2 for a complete axle set.

How much damping does it add versus stock?

KYB states the Gas-a-just adds up to 25% more damping over original-equipment shocks, with extra damping for vehicles that work, tow, or run larger, heavier tires and wheels.