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Dorman 931-298 Liftgate Lock Actuator
Reliable Liftgate Lock Actuator for Select GM and Isuzu Models
The Dorman 931-298 liftgate lock actuator is designed to restore secure locking functionality to your vehicle's rear liftgate. Engineered for compatibility with Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models, this actuator ensures dependable operation and precise fitment.
- Compatible with Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab vehicles including Trailblazer, Envoy, Ascender, and 9-7x
- Durable metal and plastic body construction in black or silver finish
- Compact dimensions: 5.87 inches length, 2.44 inches width, with a 2.02 inch actuator arm length
- Includes a 7-wire, 12-gauge wiring harness with blue male connector and blade terminals
- Equipped with three mounting holes for secure installation
- Wiring harness length of 11 inches for flexible connection
- Package contains one complete liftgate lock actuator assembly
Product Details and Specifications
The Dorman 931-298 liftgate lock actuator features a robust combination of metal and plastic materials to provide long-lasting performance under typical automotive conditions. Its black or silver body color options allow for discreet integration with your vehicle's liftgate assembly. The actuator arm measures 2.02 inches, providing precise movement to engage and disengage the lock mechanism effectively. The included wiring harness consists of seven 12-gauge wires terminated with blue male connectors and blade terminals, ensuring reliable electrical connections. With three mounting holes, this actuator can be securely fastened to the liftgate for stable operation.
Compatible Vehicles and Applications
This liftgate lock actuator is specifically designed for use with the following makes and models:
- Buick: Rainier
- Chevrolet: Trailblazer, Trailblazer EXT
- GMC: Envoy, Envoy XL, Envoy XUV
- Isuzu: Ascender, Bravada
- Oldsmobile: Bravada
- Saab: 9-7x
Using the Dorman 931-298 actuator ensures proper fit and function for these vehicles, restoring secure liftgate locking capability.
Common Issues Addressed by This Liftgate Lock Actuator
- Liftgate failing to lock or unlock properly
- Intermittent or no response from the liftgate lock switch
- Electrical connection problems causing actuator malfunction
- Damaged or worn actuator arm affecting lock engagement
- Corroded or broken wiring harness leading to liftgate lock failure
Installation Notes and Tips
Installation of the Dorman 931-298 liftgate lock actuator requires basic automotive electrical and mechanical skills. Ensure the vehicle battery is disconnected before beginning installation to prevent electrical shorts. Carefully remove the interior liftgate panel to access the existing actuator. Disconnect the wiring harness and remove mounting screws. Install the new actuator by aligning the three mounting holes and securing with screws. Connect the wiring harness, verifying the blue male connector and blade terminals are properly seated. Test the liftgate lock operation before reassembling the panel.
Quality Assurance and Warranty
Dorman manufactures the 931-298 liftgate lock actuator to meet or exceed OEM standards for fit, form, and function. The actuator undergoes rigorous quality control testing to ensure reliable performance. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship for a specified period. Refer to Dorman's warranty documentation for complete details.
| Brand | Dorman |
| Part Number | 931-298 |
| Actuator Arm Included | Blue |
| Actuator Arm Length | 2.02 |
| Body Color | Black |
| Body Color | Silver |
| Body Material | Metal |
| Body Material | Plastic |
| Connector Color | Blue |
| Connector Gender | Male |
| Length | 5.87 |
| Mounting Hole Quantity | 3 |
| Package Contents | 1 Liftgate Lock Actuator |
| Terminal Gender | Male |
| Terminal Quantity | 7 |
| Terminal Type | Blade |
| Width | 2.44 |
| Wire Gauge Measurement | 12 |
| Wire Quantity | 7 |
| Wiring Harness Included | Yes |
| Wiring Harness Length | 11 |
This part fits 46 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2009 | Chevrolet | Trailblazer | N/A | |
| 2009 | GMC | Envoy | N/A | |
| 2009 | Saab | 9-7x | N/A | |
| 2008 | Chevrolet | Trailblazer | N/A | |
| 2008 | GMC | Envoy | N/A | |
| 2008 | Isuzu | Ascender | N/A | |
| 2008 | Saab | 9-7x | N/A | |
| 2007 | Buick | Rainier | N/A | |
| 2007 | Chevrolet | Trailblazer | N/A | |
| 2007 | GMC | Envoy | N/A | |
| 2007 | Isuzu | Ascender | N/A | |
| 2007 | Saab | 9-7x | N/A | |
| 2006 | Buick | Rainier | N/A | |
| 2006 | Chevrolet | Trailblazer | N/A | |
| 2006 | Chevrolet | Trailblazer EXT | N/A | |
| 2006 | GMC | Envoy | N/A | |
| 2006 | GMC | Envoy XL | N/A | |
| 2006 | Isuzu | Ascender | N/A | |
| 2006 | Saab | 9-7x | N/A | |
| 2005 | Buick | Rainier | N/A | |
| 2005 | Chevrolet | Trailblazer | N/A | |
| 2005 | Chevrolet | Trailblazer EXT | N/A | |
| 2005 | GMC | Envoy | N/A | |
| 2005 | GMC | Envoy XL | N/A | |
| 2005 | GMC | Envoy XUV | N/A | |
| 2005 | Isuzu | Ascender | N/A | |
| 2005 | Saab | 9-7x | N/A | |
| 2004 | Buick | Rainier | N/A | |
| 2004 | Chevrolet | Trailblazer | N/A | |
| 2004 | Chevrolet | Trailblazer EXT | N/A | |
| 2004 | GMC | Envoy | N/A | |
| 2004 | GMC | Envoy XL | N/A | |
| 2004 | GMC | Envoy XUV | N/A | |
| 2004 | Isuzu | Ascender | N/A | |
| 2004 | Oldsmobile | Bravada | N/A | |
| 2003 | Chevrolet | Trailblazer | N/A | |
| 2003 | Chevrolet | Trailblazer EXT | N/A | |
| 2003 | GMC | Envoy | N/A | |
| 2003 | GMC | Envoy XL | N/A | |
| 2003 | Isuzu | Ascender | N/A | |
| 2003 | Oldsmobile | Bravada | N/A | |
| 2002 | Chevrolet | Trailblazer | N/A | |
| 2002 | Chevrolet | Trailblazer EXT | N/A | |
| 2002 | GMC | Envoy | N/A | |
| 2002 | GMC | Envoy XL | N/A | |
| 2002 | Oldsmobile | Bravada | N/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.