KYB Suspension Shock Absorber P/N:KG4745A

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$71.99
MPN: KG4745A
UPC: 781552047452
Item Package Quantity: 1
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KYB Suspension Shock Absorber P/N:KG4745A
KYB Suspension Shock Absorber P/N:KG4745A
$71.99

Firm up the rear ride of your compact SUV with the KYB Gas-a-just Suspension Shock Absorber KG4745A, a high-pressure monotube gas shock. It installs in the rear position (rear right / rear left) as a direct-fit replacement for the 1989-1991 and 1998-2004 Chevrolet Tracker, 1989-1997 Geo Tracker, 1989-1991 GMC Tracker, 1994-1997 Pontiac Sunrunner, 1999-2005 Suzuki Grand Vitara, 1989-1998 Suzuki Sidekick, 1999-2004 Suzuki Vitara, and 1996-1998 Suzuki X-90 — see the Buyer's Guide tab for engine-level details.

  • Monotube gas design: two separate chambers — an air-free hydraulic piston/valve area for control plus a high-pressure nitrogen chamber with a floating piston — that resists fade from aeration.
  • Up to 25% more damping: adds up to 25% more damping performance over original-equipment shocks, with components and valving designed specifically for trucks that work, tow, and run larger, heavier tires and wheels.
  • Fade-free response: the high-pressure monotube separates the gas and oil for fade-free operation and instant response, while a triple-chrome-plated piston rod reduces seal wear.
  • Safety-system support: helps keep electronic safety systems performing as the vehicle manufacturer intended.

Sold individually; order two to replace both rear shocks together for balanced damping.

Interchange: G63799 · 37070

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

G63799, 37070

Frequently Asked Questions

What is the KYB KG4745A?

It is a KYB Gas-a-just high-pressure monotube gas shock absorber for the rear position (rear right or rear left) of the listed applications.

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

The Gas-a-just uses two separate chambers — an air-free hydraulic piston/valve area and a high-pressure nitrogen chamber with a floating piston — which resists fade caused by aeration.

How much damping does it add?

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

Do I need to buy two?

Each shock is sold individually. Replacing both rear shocks together is recommended for balanced, even damping.

What numbers does this shock interchange with?

It cross-references to G63799 and 37070. Confirm fitment for your vehicle using the Buyer's Guide tab before ordering.