My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

KYB Suspension 5510031 Gas-a-Just Monotube Gas Shock Absorber

(2004 Subaru Impreza WRX STI)

Part of: KYB Suspension Gas-a-Just Monotube Gas Shock Absorber

Other options in this family: KYB Suspension KG54328 KYB Suspension KG5498 KYB Suspension 554384 KYB Suspension KG9025 KYB Suspension KG54314

Manufacturer

Picture for manufacturer KYB Suspension

Part Number

5510031
8 reviews
Sale Price

$169.85

2 left at this price

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The KYB Gas-a-Just 5510031 monotube shock absorber delivers enhanced performance and control for drivers seeking to restore or upgrade their vehicle's handling capabilities. Engineered with KYB's proven monotube design, this high-pressure gas shock provides superior responsiveness compared to traditional twin-tube designs.

Key Features:

  • Monotube design with separated working chambers for optimal performance
  • Air-free hydraulic piston and valve area delivers precise damping control and immediate response
  • High-pressure nitrogen gas chamber with floating piston maintains consistent performance
  • Provides comfortable ride quality during normal driving conditions
  • Instant performance enhancement during demanding driving situations
  • Direct OE monotube replacement for easy installation
  • Restores original vehicle handling and control characteristics

The Gas-a-Just design separates the hydraulic fluid from the high-pressure nitrogen gas using a floating piston, eliminating aeration and fade while maintaining optimal damping force throughout the shock's travel. This configuration ensures consistent performance whether you're commuting or pushing your vehicle through corners, making it an ideal choice for enthusiasts who want better handling without sacrificing everyday comfort.

Products specifications

Fits

2004 Subaru Impreza WRX STI

Feature and Benefit 5

THE HIGHER GAS PRESSURE OF THE KYB GAS-A-JUST RESPONDS QUICKLY TO IMPROVE STEERING RESPONSE

Feature and Benefit 2

THE KYB GAS-A-JUST HELPS RESTORE THE DESIGNED CONTROL AND HANDLING OF THE SUBARU WRX STI

Feature and Benefit 3

HIGH PRESSURE MONOTUBE DESIGN SEPARATES THE GAS AND OIL FOR FADE FREE OPERATION AND INSTANT RESPONSE

Feature and Benefit 4

FLUID LEAKING CAN BE A CAUSE OF SHOCK FAILURE, THE KYB GAS-A-JUST HAS AN ULTRA-SMOOTH TRIPLE CHROME PLATED CHROME PISTON ROD TO REDUCE SEAL WEAR

FEATURE AND BENEFIT 1

THE CORRECT, MONOTUBE-DESIGNED OEM REPLACEMENT STRUT

Feature and Benefit 6

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.

Compressed Length

18.66

R-stop

N

Internal Rebound Spring

N

Upper Mount Type

12X1.25

Extended Length

23.77

Dust Cover Included

N

B-stop

Y

Stroke Length

5.11

Product question answered promptly. Website seems to work well. Pricing appears to be A Fair Deal.

Easy

So far all is good. Time will tell.

Very simple, best price

User friendly

good price , fast and easy

Easy

Perfect

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy