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KYB Suspension KG5554 Gas-a-Just Monotube Gas Shock Absorber

(Mercedes-Benz 450SL 1974-80, 560SL 1986-89, 380SL 1981-85, 560SEL 1986-91, 560SEC 1986-91, 420SEL 1986-91, 300D 1976-85, 240D 1977-83 + 21 more models)

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

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

Manufacturer

Picture for manufacturer KYB Suspension

Part Number

KG5554
10 reviews
Sale Price

$66.80

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The KYB Gas-a-Just KG5554 is a high-performance monotube gas shock absorber designed to restore and enhance your vehicle's original handling capabilities. This premium shock absorber utilizes advanced monotube technology to deliver superior responsiveness and control compared to traditional twin-tube designs.

Key Features:

  • Monotube design with two separate working chambers for optimal performance
  • Air-free hydraulic piston and valve area provides immediate responsiveness and precise control
  • High-pressure nitrogen gas chamber with floating piston for consistent damping
  • Delivers a comfortable ride during normal driving conditions
  • Instant performance on demand during spirited driving or heavy loads
  • Fade-free performance even under extreme conditions
  • Direct OE replacement for easy installation

The Gas-a-Just design separates the hydraulic fluid from the nitrogen gas using a floating piston, eliminating aeration and foaming that can occur in conventional shocks. This results in consistent damping performance, reduced body roll, and improved vehicle stability. Whether you're looking to restore your vehicle's original handling or upgrade to a more performance-oriented suspension setup, the KYB KG5554 delivers professional-grade quality and performance.

Products specifications

Fits

Mercedes-Benz 450SL 1974-80, 560SL 1986-89, 380SL 1981-85, 560SEL 1986-91, 560SEC 1986-91, 420SEL 1986-91, 300D 1976-85, 240D 1977-83, 280SE 1972-73, 1977-80, 300SD 1978-80, 450SLC 1974-80, 450SEL 1974-80, 300CD 1978-85 + 16 more models

FEATURE AND BENEFIT 1

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

Compressed Length

11.06

Extended Length

17.76

Stroke Length

6.69

Feature and Benefit 2

COMPONENTS AND VALVING DESIGNED SPECIFICALLY FOR YOUR MERCEDES BENZ

Lower Mount Type

E3(61.6X87X0)

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

Dust Cover Included

N

B-stop

N

R-stop

N

Upper Mount Type

S1

Feature and Benefit 6

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

Internal Rebound Spring

N

Only place I could find this part. Fast and easy shipping.

fast and easy transaction

Previous purchases were quick and easy. This keeps me as a repeat customer. Free shipping is also nice!

Great customer service

The only thing I didn't like was that it didn't let me change my ship to address

First time

Excellent selection, great prices, and fast shipping. I am very satisfied.

Product was as described, shipping was fast, and communication was excellent. Plus I saved $$. Thanks Autoplicity! I'll be a repeat buyer and referral source.

Best price around, very fast shipping and great service! I will buy from them again!

"Customer service was very helpful, very good prices. On its way the next day."

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