These replacement air bag springs & shock absorbers are just what you need to get your vehicle in good working order again.


  • Comes as a SET of 4
    • (2) - Gen II Air Bag Springs - LH (Driver Side) & RH (Passenger Side) REAR
    • (2) - Shock Absorbers - LH (Driver Side) & RH (Passenger Side) REAR
  • Direct replacements
  • Built to strict quality standards

We recommend replacing shocks in pairs and performing an alignment after replacement.

Part Details

  • Quantity: 4 Piece Set
  • Kit Includes: (2) Rear Shock Absorbers
  • Kit Includes: (2) Rear Air Springs

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

  1. step : Remove the shock absorber (0:29)
    • It is recommended to raise and secure the vehicle, but it is possible to do this with the vehicle on the ground.
    • Remove the 18 mm bolts at each of the strut by securing one end of the bolt with the wrench and use the socket and ratchet to remove the bolt from the nut.
  2. step : install the new shock (3:09)
    • Insert the shock into its mount and thread the bolt though.
    • Repeat with the bottom end of the strut.
    • Tighten the nut and bolts with your socket and ratchet and wrench

Tools needed for replacement:

    General Tools

  • Floor Jack
  • Jack Stands

  • Ratchets & Related

  • 1/2 Inch Breaker Bar
  • Ratchet
  • Socket Extensions

  • Sockets - Metric

  • 18mm Socket

  • Wrenches - Metric

  • 18mm Wrench

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Browse 3 questions Browse 3 questions and 5 answers
what brand are the shock absorbers?
gary l on Jan 14, 2016
BEST ANSWER: I don't remember the brand but I'm pretty sure they weren't a major name like Monroe or Gabriel. Having said that, the air bags were a pain to change but the shocks were super easy. I have had zero problems with the performance or reliability of these components since installed. I would trust buying them again.
Would this part fit a 06 trailblazer ss?
SS bert on Jun 5, 2017
BEST ANSWER: Yes, This part will fit your 2006 Trailblazer SS. Thank you for asking.
Would this setup work well with the towing capacity of my tbss? I do not see any towing specifications?
SS bert on Aug 14, 2017
BEST ANSWER: Yes it will the towing capacity is high and the air springs are very thick

Vehicle Fit

  • 2004-2007 Buick Rainier Air Suspension Kit 4 Piece Set
  • 2002-2009 Chevy Trailblazer Air Suspension Kit 4 Piece Set
  • 2002-2006 Chevy Trailblazer EXT Air Suspension Kit 4 Piece Set
  • 2002-2009 GMC Envoy Air Suspension Kit 4 Piece Set
  • 2002-2006 GMC Envoy XL Air Suspension Kit 4 Piece Set
  • 2004-2005 GMC Envoy XUV Air Suspension Kit 4 Piece Set
  • 2002-2004 Olds Bravada Air Suspension Kit 4 Piece Set
  • 2005-2008 Saab 9-7X Air Suspension Kit 4 Piece Set

This part replaces:

  • Monroe 37241
  • KYB 343395
Part #: 1ASSP00485

How-to Video:

(05:09 min)