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KYB Suspension Gas-a-Just Monotube Gas Shock Absorber

(Chevrolet Silverado 1500 1999-2006, 2014-25, Suburban 1500 2000-14, Camaro 1967-81, 1993-2002, Corvette 1984-87, Tahoe 2000-20, S10 1982-2004 + 522 more models)

Manufacturer

Picture for manufacturer KYB Suspension

Part Number

157 part numbers · from $28.36
6 reviews
Sale Price

from $28.36

In Stock (10+)

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Product Details

The KYB Gas-a-Just monotube gas shock absorber is a performance-oriented replacement shock (also called a gas-charged monotube strut or damper) built to restore ride control and stability. KYB is a leading original equipment supplier of suspension components, and the Gas-a-Just line brings that engineering experience to the aftermarket.

Key Features:

  • Monotube design: A single-tube construction with a large piston gives responsive damping and good heat dissipation. This helps the shock hold up under repeated or demanding use.
  • Gas-charged: Pressurized gas reduces foaming (aeration) of the oil. This keeps damping consistent and cuts down on fade.
  • Improved handling: Firmer, more controlled damping helps reduce body roll, brake dive and rear squat for more confident handling.
  • Durable construction: Engineered to deliver long service life and consistent performance over time.
  • Direct-fit replacement: Designed as a bolt-on replacement for worn shocks, with no modification needed in typical installations.

Whether you are replacing worn shocks or want sharper ride control and a more planted feel, the Gas-a-Just series is a proven upgrade over worn or fatigued dampers. For best balance and handling, replace shocks in pairs across an axle.

Products specifications

Fits

Chevrolet Silverado 1500 1999-2006, 2014-25, Suburban 1500 2000-14, Camaro 1967-81, 1993-2002, Corvette 1984-87, Tahoe 2000-20, S10 1982-2004, Impala 1965-85, 1994-96, Colorado 2015-22, Malibu 1964-67, Chevelle 1964-67 + 518 more models

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157 items

Picture of KYB Suspension 551127 Gas-a-Just Monotube Gas Shock Absorber Picture of KYB Suspension 551127 Gas-a-Just Monotube Gas Shock Absorber Picture of KYB Suspension 551127 Gas-a-Just Monotube Gas Shock Absorber Picture of KYB Suspension 551127 Gas-a-Just Monotube Gas Shock Absorber Picture of KYB Suspension 551127 Gas-a-Just Monotube Gas Shock Absorber
KYB Suspension 551127 Gas-a-Just Monotube Gas Shock Absorber
Description
Specifications
B-stopN
Compressed Length13.24
Dust Cover IncludedN
Extended Length17.2
FEATURE AND BENEFIT 1THE CORRECT, MONOTUBE-DESIGNED OEM REPLACEMENT
Feature and Benefit 2THE KYB GAS-A-JUST HELPS RESTORE THE DESIGNED CONTROL AND HANDLING OF THE LEXUS IS
Feature and Benefit 3GAS-A-JUST MONOTUBES ARE DESIGNED FOR VEHICLES THAT WORK, TOW, AND HAVE LARGER, HEAVIER TIRES & WHEELS
Feature and Benefit 4HIGH PRESSURE MONOTUBE DESIGN SEPARATES THE GAS AND OIL FOR FADE FREE OPERATION AND INSTANT RESPONSE
Feature and Benefit 5FLUID 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 6THE HIGHER GAS PRESSURE OF THE KYB GAS-A-JUST RESPONDS QUICKLY TO IMPROVE STEERING RESPONSE
Feature and Benefit 7ELECTRONIC 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.
Internal Rebound SpringN
R-stopY
Stroke Length3.96
Upper Mount Type12X1.25
$113.83
PART NUMBER: 551127
1 left at this price
Usually delivered within 2 days
Picture of KYB Suspension 5510018 Gas-a-Just Monotube Gas Shock Absorber Picture of KYB Suspension 5510018 Gas-a-Just Monotube Gas Shock Absorber Picture of KYB Suspension 5510018 Gas-a-Just Monotube Gas Shock Absorber Picture of KYB Suspension 5510018 Gas-a-Just Monotube Gas Shock Absorber Picture of KYB Suspension 5510018 Gas-a-Just Monotube Gas Shock Absorber
KYB Suspension 5510018 Gas-a-Just Monotube Gas Shock Absorber
Description
Specifications
B-stopN
Compressed Length13.34
Dust Cover IncludedN
Extended Length16.85
FEATURE AND BENEFIT 1THE CORRECT, MONOTUBE-DESIGNED OEM REPLACEMENT
Feature and Benefit 2THE KYB GAS-A-JUST HELPS RESTORE THE DESIGNED CONTROL AND HANDLING OF YOUR CHEVY, GMC, AND CADILLAC TRUCKS
Feature and Benefit 3GAS-A-JUST MONOTUBES ARE DESIGNED FOR VEHICLES THAT WORK, TOW, AND HAVE LARGER, HEAVIER TIRES & WHEELS
Feature and Benefit 4HIGH PRESSURE MONOTUBE DESIGN SEPARATES THE GAS AND OIL FOR FADE FREE OPERATION AND INSTANT RESPONSE
Feature and Benefit 5FLUID 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 6THE HIGHER GAS PRESSURE OF THE KYB GAS-A-JUST RESPONDS QUICKLY TO IMPROVE STEERING RESPONSE
Feature and Benefit 7ELECTRONIC 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.
Internal Rebound SpringN
Lower Mount TypeE3(100X128X10)
R-stopY
Stroke Length3.51
Upper Mount Type10X1.25
$136.94
PART NUMBER: 5510018
1 left at this price
Usually delivered within 2 days
Picture of KYB Suspension KG4539 Gas-a-Just Monotube Gas Shock Absorber Picture of KYB Suspension KG4539 Gas-a-Just Monotube Gas Shock Absorber Picture of KYB Suspension KG4539 Gas-a-Just Monotube Gas Shock Absorber Picture of KYB Suspension KG4539 Gas-a-Just Monotube Gas Shock Absorber
KYB Suspension KG4539 Gas-a-Just Monotube Gas Shock Absorber
Description
Specifications
B-stopY
Compressed Length13.7
Dust Cover IncludedY
Extended Length21.46
FEATURE AND BENEFIT 1ADDS UP TO 25% MORE DAMPING PERFORMANCE OVER ORIGINAL EQUIPMENT SHOCKS
Feature and Benefit 2COMPONENTS AND VALVING DESIGNED SPECIFICALLY FOR THE BMW 3 SERIES
Feature and Benefit 3GAS-A-JUST MONOTUBES INCLUDE ADDITIONAL DAMPING OVER OE DESIGN FOR VEHICLES THAT WORK, TOW, AND HAVE LARGER, HEAVIER TIRES & WHEELS
Feature and Benefit 4HIGH PRESSURE MONOTUBE DESIGN SEPARATES THE GAS AND OIL FOR FADE FREE OPERATION AND INSTANT RESPONSE
Feature and Benefit 5FLUID 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 6THE HIGHER GAS PRESSURE OF THE KYB GAS-A-JUST RESPONDS QUICKLY TO IMPROVE STEERING RESPONSE
Feature and Benefit 7ELECTRONIC 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 8TO REDUCE THE CHANCE OF NOISE AND VIBRATION KYB RECOMMENDS INSTALLING NEW STRUT MOUNTS, PART NUMBER: SM5013
Internal Rebound SpringN
Lower Mount TypeE2(12X40)
R-stopY
Stroke Length7.76
Upper Mount TypeS1
$37.70
PART NUMBER: KG4539
1 left at this price
Usually delivered within 2 days
Picture of KYB Suspension 555610 Gas-a-Just Monotube Gas Shock Absorber Picture of KYB Suspension 555610 Gas-a-Just Monotube Gas Shock Absorber Picture of KYB Suspension 555610 Gas-a-Just Monotube Gas Shock Absorber
KYB Suspension 555610 Gas-a-Just Monotube Gas Shock Absorber
Description
Specifications
B-stopN
Compressed Length14.76
Dust Cover IncludedN
Extended Length18.77
FEATURE AND BENEFIT 1THE CORRECT, MONOTUBE-DESIGNED OEM REPLACEMENT
Feature and Benefit 2THE KYB GAS-A-JUST HELPS RESTORE THE DESIGNED CONTROL AND HANDLING OF YOUR BMW X5
Feature and Benefit 3GAS-A-JUST MONOTUBES ARE DESIGNED FOR VEHICLES THAT WORK, TOW, AND HAVE LARGER, HEAVIER TIRES & WHEELS
Feature and Benefit 4HIGH PRESSURE MONOTUBE DESIGN SEPARATES THE GAS AND OIL FOR FADE FREE OPERATION AND INSTANT RESPONSE
Feature and Benefit 5FLUID 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 6THE HIGHER GAS PRESSURE OF THE KYB GAS-A-JUST RESPONDS QUICKLY TO IMPROVE STEERING RESPONSE
Feature and Benefit 7ELECTRONIC 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 8PROTECT YOUR NEW STRUTS FROM DIRT, DEBRIS AND SALT WITH A KYB STRUT BOOT, PART NUMBER: SB107
Feature and Benefit 9TO REDUCE THE CHANCE OF NOISE AND VIBRATION KYB RECOMMENDS INSTALLING NEW STRUT MOUNTS, PART NUMBER: SM5253
Internal Rebound SpringINTERNAL REBOUND SPRING
Internal Rebound SpringY
Lower Mount TypeE2(15.2X66.3)
R-stopY
Stroke Length4.01
Upper Mount TypeS1(12MM)
$43.07
PART NUMBER: 555610
1 left at this price
Usually delivered within 2 days
Picture of KYB Suspension KG4548 Gas-a-Just Monotube Shock Absorber Picture of KYB Suspension KG4548 Gas-a-Just Monotube Shock Absorber
KYB Suspension KG4548 Gas-a-Just Monotube Shock Absorber
Description
Specifications
QuantitySold individually.
$36.67
PART NUMBER: KG4548
1 left at this price
Usually delivered within 2 days
Picture of KYB Suspension 5530006 Gas-a-Just Monotube Gas Shock Absorber Picture of KYB Suspension 5530006 Gas-a-Just Monotube Gas Shock Absorber
KYB Suspension 5530006 Gas-a-Just Monotube Gas Shock Absorber
Description
Specifications
B-stopN
Compressed Length16.61
Dust Cover IncludedN
Extended Length23.66
FEATURE AND BENEFIT 1THE CORRECT, MONOTUBE-DESIGNED OEM REPLACEMENT STRUT
Feature and Benefit 2THE KYB GAS-A-JUST HELPS RESTORE THE DESIGNED CONTROL AND HANDLING OF THE NISSAN MAXIMA
Feature and Benefit 3HIGH PRESSURE MONOTUBE DESIGN SEPARATES THE GAS AND OIL FOR FADE FREE OPERATION AND INSTANT RESPONSE
Feature and Benefit 4FLUID 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 5THE HIGHER GAS PRESSURE OF THE KYB GAS-A-JUST RESPONDS QUICKLY TO IMPROVE STEERING RESPONSE
Feature and Benefit 6ELECTRONIC 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.
Internal Rebound SpringN
Lower Mount TypeSPECIAL
R-stopY
Stroke Length7.05
Upper Mount TypeS1
$39.17
PART NUMBER: 5530006
1 left at this price
Usually delivered within 2 days
Picture of KYB Suspension 555601 Gas-a-Just Monotube Gas Shock Absorber Picture of KYB Suspension 555601 Gas-a-Just Monotube Gas Shock Absorber Picture of KYB Suspension 555601 Gas-a-Just Monotube Gas Shock Absorber Picture of KYB Suspension 555601 Gas-a-Just Monotube Gas Shock Absorber Picture of KYB Suspension 555601 Gas-a-Just Monotube Gas Shock Absorber
KYB Suspension 555601 Gas-a-Just Monotube Gas Shock Absorber
Description
Specifications
B-stopN
Compressed Length12.92
Dust Cover IncludedY
Extended Length20.09
FEATURE AND BENEFIT 1THE CORRECT, MONOTUBE-DESIGNED OEM REPLACEMENT
Feature and Benefit 2THE KYB GAS-A-JUST HELPS RESTORE THE DESIGNED CONTROL AND HANDLING OF THE CROWN VICTORIA AND GRAND MARQUIS
Feature and Benefit 3GAS-A-JUST MONOTUBES ARE DESIGNED FOR VEHICLES THAT WORK, TOW, AND HAVE LARGER, HEAVIER TIRES & WHEELS
Feature and Benefit 4HIGH PRESSURE MONOTUBE DESIGN SEPARATES THE GAS AND OIL FOR FADE FREE OPERATION AND INSTANT RESPONSE
Feature and Benefit 5FLUID 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 6THE HIGHER GAS PRESSURE OF THE KYB GAS-A-JUST RESPONDS QUICKLY TO IMPROVE STEERING RESPONSE
Feature and Benefit 7ELECTRONIC 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 8TO REDUCE THE CHANCE OF NOISE AND VIBRATION KYB RECOMMENDS INSTALLING NEW STRUT MOUNTS, PART NUMBER: SM5267
Internal Rebound SpringN
Lower Mount TypeE2(12.2X67.5)
R-stopY
Stroke Length7.17
Upper Mount TypeS1
$80.66
PART NUMBER: 555601
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