KYB KG4162 | Rear Suspension Shock Absorber

Part Number
High Pressure Monotube Gas Shock

Fits: 02-09 Chevrolet Trailblazer, 03-06 Chevrolet SSR, 04-07 Buick Rainier, 02-06 Chevrolet Trailblazer EXT, 02-09 GMC Envoy, 02-06 GMC Envoy XL, 02-04 Oldsmobile Bravada, 03-08 Isuzu Ascender, 04-05 GMC Envoy XUV
Special Price $60.29 Regular Price $70.93
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Estimated Ship Date: 1 Business Day or Less


High Pressure Monotube Gas Shock

The KYB Gas-a-just monotube shock absorber has additional performance advantages over the traditional twin-tube design: It can instantly, automatically adjust to your performance needs and never experiences fade due to aeration. The KYB Gas-a-just has two separate working chambers: An air-free hydraulic piston and valve area for responsiveness and control, and a second high-pressure nitrogen gas area with a floating piston that provides a comfortable ride during normal driving and adds instant performance on demand.


  • Adds Up To 25% More Damping Performance Over Original Equipment Shocks
  • Components And Valving Designed Specifically For Gm Suvs
  • Gas-A-Just Monotubes Include Additional Damping Over Oe Design For Vehicles That Work, Tow, And Have Larger, Heavier Tires & Wheels
  • High Pressure Monotube Design Separates The Gas And Oil For Fade Free Operation And Instant Response
  • 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
  • The Higher Gas Pressure Of The Kyb Gas-A-Just Responds Quickly To Improve Steering Response
  • 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:14.76
Dust Cover Included:Y
Extended Length:23.23
FEATURE AND BENEFIT 1:Adds up to 25% more damping performance over original equipment shocks
FEATURE AND BENEFIT 2:Components and valving designed specifically for GM SUVs
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
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 6:The higher gas pressure of the KYB Gas-a-Just responds quickly to improve steering response
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.
Internal Rebound Spring:N
Lower Mount Type:E2(12.8x62)
Stroke Length:8.47
Upper Mount Type:E2(12.8x42.5)


  • Monroe Shocks & Struts: 911510
  • Gabriel: G63842


  • 2002-2004 Oldsmobile Bravada        Position: Rear        Note: Monotube Performance Upgrade
  • 2003-2006 Chevrolet SSR        Position: Rear        Note: Monotube Performance Upgrade
  • 2004-2007 Buick Rainier        Position: Rear        Note: Monotube Performance Upgrade
  • 2004-2005 GMC Envoy XUV        Position: Rear        Note: Recommended OEM Replacement
  • 2002-2009 Chevrolet Trailblazer        Position: Rear        Note: Monotube Performance Upgrade
  • 2002-2006 Chevrolet Trailblazer EXT        Position: Rear        Note: Monotube Performance Upgrade
  • 2002-2009 GMC Envoy        Position: Rear        Note: Monotube Performance Upgrade
  • 2002-2006 GMC Envoy XL        Position: Rear        Note: Recommended OEM Replacement
  • 2003-2008 Isuzu Ascender        Position: Rear        Note: Monotube Performance Upgrade
  • 2006 GMC Envoy        Position: Rear        Note: Recommended OEM Replacement

Customer Questions
Is It OK To Drive With Bad Struts?
Driving with bad struts is unsafe. Car bounces while driving. Replace them immediately. Shop struts on
How Can I Tell If My Struts Need To Be Replaced?
If your car bounces excessively, experiences poor handling, or has uneven tire wear, you may have bad struts. Check for signs of bad struts like nose dive during braking. Shop for replacement shocks and struts on
What Do Your Struts Do?
Car struts are essential for smooth driving. They support the weight of the vehicle, dampen shocks, and provide stability. Replace worn out struts on a car with quality products from
What Do Your Shocks Do?
Car shocks absorb impact from bumps and uneven road surfaces, improving ride comfort and handling. It's recommended to replace shocks every 50,000 miles for optimal performance. Shop shocks for your car at
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