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 551119 Gas-a-Just Monotube Performance Shock Absorber

(2000-2006 Toyota Tundra)

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

Other options in this family: KYB Suspension 551108 KYB Suspension KG4605A KYB Suspension KG4503 KYB Suspension 551122 KYB Suspension KG4507

Manufacturer

Picture for manufacturer KYB Suspension

Part Number

551119
11 reviews
Sale Price

$96.52

In Stock (10+)

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 551119 is a high-pressure monotube shock absorber engineered to deliver superior performance and reliability over traditional twin-tube designs. This advanced shock automatically adjusts to driving conditions and eliminates performance fade caused by fluid aeration.

Key Features:

  • Monotube design with separate working chambers for optimal performance
  • Air-free hydraulic piston and valve area ensures consistent responsiveness and control
  • High-pressure nitrogen gas chamber with floating piston technology
  • Instant automatic adjustment to performance demands
  • Fade-free operation under all driving conditions
  • Smooth, comfortable ride during normal driving with performance-on-demand capability

Available as a direct OE monotube replacement or as a performance upgrade for OE twin-tube applications, the Gas-a-Just delivers the perfect balance of everyday comfort and enhanced handling when you need it most.

Products specifications

Fits

2000-2006 Toyota Tundra

FEATURE AND BENEFIT 1

ADDS UP TO 25% MORE DAMPING PERFORMANCE OVER ORIGINAL EQUIPMENT SHOCKS

Compressed Length

13.18

Extended Length

17.87

Stroke Length

4.69

Feature and Benefit 2

COMPONENTS AND VALVING DESIGNED SPECIFICALLY FOR TOYOTA TUNDRAS

Lower Mount Type

E2(14X39.5)

Feature and Benefit 7

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.

Feature and Benefit 5

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 3

GAS-A-JUST MONOTUBES INCLUDE ADDITIONAL DAMPING OVER OE DESIGN FOR VEHICLES THAT WORK, TOW, AND HAVE LARGER, HEAVIER TIRES & WHEELS

Feature and Benefit 4

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

B-stop

N

Upper Mount Type

S1(12MM)

Feature and Benefit 6

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

Feature and Benefit 8

TO REDUCE THE CHANCE OF NOISE AND VIBRATION KYB RECOMMENDS INSTALLING NEW STRUT MOUNTS, PART NUMBER: SM5442

Dust Cover Included

Y

R-stop

Y

Internal Rebound Spring

N

Good so far.quick simple

Fast shipping, tires as described.

Easy

Wrong part

The shopping experience was great.

You had the right product with the right serial number, picture, and a good price.

Quick and easy. Link to Amazon is a nice touch.

So far so good , thanks .

Thanks. Best price + shipping I found.

Great prices

Item arrived promptly (4 days after order), price was good and item was as described.

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