Home› Body > Doors› Tuff Support 612248 Liftgate Lift Support
Tuff Support 612248 Liftgate Lift SupportOE Quality 60-Day Returns
Tuff Support 612248 Liftgate Lift Support - view 1
Tuff Support 612248 Liftgate Lift Support - view 2
Part #: 612248

Tuff Support 612248 Liftgate Lift Support

⚙️ 27 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$26.27Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, GMC, Buick, and Isuzu, Trailblazer, Envoy, Rainier, and Ascender
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Liftgate Lift Support options

Reliable Liftgate Lift Support for Select GM and Isuzu SUVs

The Tuff Support 612248 liftgate lift support is designed to provide consistent and dependable assistance when opening and holding the liftgate on your vehicle. Engineered for compatibility with specific Buick, Chevrolet, GMC, Isuzu, and Oldsmobile models, this part ensures smooth operation and safety.

  • Compatible with Buick Ascender, Chevrolet Trailblazer, GMC Envoy, Isuzu Ascender, Oldsmobile Bravada, and GMC Rainier
  • Durable construction for long-lasting performance
  • Direct replacement for factory liftgate lift supports
  • Part number 612248 for precise fitment
  • Supports proper liftgate opening and closing tension

Product Details and Compatibility

The Tuff Support liftgate lift support (part number 612248) is specifically designed for use on mid-2000s SUVs including the Buick Ascender, Chevrolet Trailblazer, GMC Envoy, Isuzu Ascender, Oldsmobile Bravada, and GMC Rainier. This lift support replaces worn or failing gas struts that assist in lifting and holding the rear liftgate open. Its construction meets OEM specifications to maintain the original functionality and safety of your vehicle’s liftgate system.

Common Applications and Problem Resolution

  • Eliminates liftgate that won’t stay open or slowly closes
  • Replaces noisy or leaking lift supports
  • Restores smooth and controlled liftgate operation
  • Prevents sudden liftgate drops that can cause injury or damage
  • Addresses sagging or heavy liftgate issues on compatible SUVs

Installation Notes and Tips

  • Installation requires basic hand tools and moderate mechanical skill
  • Carefully support the liftgate during removal and installation to avoid injury
  • Verify part number 612248 matches the existing lift support before installation
  • Replace lift supports in pairs for balanced operation if both are worn
  • Follow vehicle-specific service manual instructions for best results

Quality Assurance and Warranty

Tuff Support products are manufactured to meet or exceed OEM standards for durability and performance. The 612248 liftgate lift support undergoes quality control testing to ensure reliable operation. Warranty coverage details should be confirmed with the product documentation or supplier, as terms may vary.

This part fits 27 vehicles. Search below:

YearMakeModelBody Type# DoorsPositionNotes
2009ChevroletTrailblazerSport Utility4 DoorN/A
2009GMCEnvoySport Utility4 DoorN/A
2008ChevroletTrailblazerSport Utility4 DoorN/A
2008GMCEnvoySport Utility4 DoorN/A
2007BuickRainierSport Utility4 DoorN/A
2007ChevroletTrailblazerSport Utility4 DoorN/A
2007GMCEnvoySport Utility4 DoorN/A
2007IsuzuAscenderSport Utility4 DoorN/A
2006BuickRainierSport Utility4 DoorN/A
2006ChevroletTrailblazerSport Utility4 DoorN/A
2006GMCEnvoySport Utility4 DoorN/A
2006IsuzuAscenderSport Utility4 DoorN/A
2005BuickRainierSport Utility4 DoorN/A
2005ChevroletTrailblazerSport Utility4 DoorN/A
2005GMCEnvoySport Utility4 DoorN/A
2005IsuzuAscenderSport Utility4 DoorN/A
2004BuickRainierSport Utility4 DoorN/A
2004ChevroletTrailblazerSport Utility4 DoorN/A
2004GMCEnvoySport Utility4 DoorN/A
2004IsuzuAscenderSport Utility4 DoorN/A
2004OldsmobileBravadaSport Utility4 DoorN/A
2003ChevroletTrailblazerSport Utility4 DoorN/A
2003GMCEnvoySport Utility4 DoorN/A
2003OldsmobileBravadaSport Utility4 DoorN/A
2002ChevroletTrailblazerSport Utility4 DoorN/A
2002GMCEnvoySport Utility4 DoorN/A
2002OldsmobileBravadaSport Utility4 DoorN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

Related Articles