OE Quality
60-Day Returns

Dorman 56045 Door Mirror Glass - Left
Overview of Dorman 56045 Door Mirror Glass
The Dorman 56045 door mirror glass is designed specifically for select Buick, Chevrolet, GMC, and Oldsmobile models. This replacement mirror glass offers a heated, convex design with a manual adjustment feature, ensuring clear visibility and enhanced safety on the road.
- Material: Durable plastic construction
- Color: Clear glass for accurate reflection
- Attachment Type: Snap-on for easy installation
- Convex Shaped Glass: Yes, for wider field of view
- Heated Mirror: Yes, prevents fog and ice buildup
- Manual Mirror Adjustment
- Includes backing plate for secure fit
- Specific fitment for Buick, Chevrolet, GMC, and Oldsmobile models
Detailed Product Description
The Dorman 56045 door mirror glass is engineered to replace the original mirror glass on specific vehicle models including the Buick Rainier, Chevrolet Trailblazer, Trailblazer EXT, GMC Envoy, Envoy XL, Envoy XUV, and Oldsmobile Bravada. Constructed from durable plastic with a clear finish, this mirror glass features a convex shape that enhances the driver's peripheral vision. The heated element integrated into the glass helps to reduce fogging and ice accumulation, improving visibility in adverse weather conditions. Designed for manual adjustment, this mirror glass includes a backing plate and uses a snap-on attachment type, making installation straightforward and secure.
Common Applications and Problem Solving
- Replacement for cracked or broken door mirror glass
- Restores heated mirror functionality to prevent fog and ice
- Improves side visibility with convex glass shape
- Resolves issues with manual mirror adjustment
- Ensures proper fit on Buick Rainier, Chevrolet Trailblazer, GMC Envoy, and Oldsmobile Bravada models
Installation Notes and Tips
- Ensure the vehicle model and year match the Dorman 56045 fitment list before installation
- Carefully remove the damaged mirror glass and backing plate to avoid damage to the mirror housing
- Align the snap-on attachment points securely to prevent mirror movement
- Test the heated mirror function after installation to confirm proper electrical connection
- Manual adjustment should be checked for smooth operation post-installation
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 56045 door mirror glass undergoes quality inspections to ensure durability and reliable performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to the product packaging or Dorman’s official resources for exact warranty terms.
| Brand | Dorman |
| Part Number | 56045 |
| Aspherical Glass | No |
| Attachment Type | Snap On |
| Blind Spot Indicator | No |
| Color | Clear |
| Convex Shaped Glass | Yes |
| Heated Mirror | Yes |
| Includes Backing Plate | Yes |
| Indicator Markings | No |
| Material | Plastic |
| Mirror Adjustment Type | Manual |
| Package Contents | 1 Plastic Back Mirror |
| Turn Signal Indicator Present | No |
| Universal Or Specific Fit | Specific |
This part fits 35 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2009 | Chevrolet | Trailblazer | Left | Power; w/Power Folding; w/Heat; Turn Signal |
| 2009 | GMC | Envoy | Left | Power; w/Heat; w/Power Folding; Turn Signal |
| 2008 | Chevrolet | Trailblazer | Left | Power; w/Power Folding; w/Heat; Turn Signal |
| 2008 | GMC | Envoy | Left | Power; w/Heat; w/Power Folding; Turn Signal |
| 2007 | Buick | Rainier | Left | Power; w/Power Folding; w/Heat; Turn Signal |
| 2007 | Chevrolet | Trailblazer | Left | Power; w/Power Folding; w/Heat; Turn Signal |
| 2007 | GMC | Envoy | Left | Power; w/Heat; w/Power Folding; Turn Signal |
| 2006 | Buick | Rainier | Left | Power; w/Power Folding; w/Heat; Turn Signal |
| 2006 | Chevrolet | Trailblazer | Left | Power; w/Power Folding; w/Heat; Turn Signal |
| 2006 | Chevrolet | Trailblazer EXT | Left | Power; w/Power Folding; w/Heat; Turn Signal |
| 2006 | GMC | Envoy | Left | Power; w/Heat; w/Power Folding; Turn Signal |
| 2006 | GMC | Envoy XL | Left | Power; w/Heat; w/Power Folding; Turn Signal |
| 2005 | Buick | Rainier | Left | Power; w/Power Folding; w/Heat; Turn Signal |
| 2005 | Chevrolet | Trailblazer | Left | Power; w/Power Folding; w/Heat; Turn Signal |
| 2005 | Chevrolet | Trailblazer EXT | Left | Power; w/Power Folding; w/Heat; Turn Signal |
| 2005 | GMC | Envoy | Left | Power; w/Heat; w/Power Folding; Turn Signal |
| 2005 | GMC | Envoy XL | Left | Power; w/Heat; w/Power Folding; Turn Signal |
| 2005 | GMC | Envoy XUV | Left | Power; w/Heat; w/Power Folding; Turn Signal |
| 2004 | Buick | Rainier | Left | Power; w/Power Folding; w/Heat; Turn Signal |
| 2004 | Chevrolet | Trailblazer | Left | Power; w/Power Folding; w/Heat; Turn Signal |
| 2004 | Chevrolet | Trailblazer EXT | Left | Power; w/Power Folding; w/Heat; Turn Signal |
| 2004 | GMC | Envoy | Left | Power; w/Heat; w/Power Folding; Turn Signal |
| 2004 | GMC | Envoy XL | Left | Power; w/Heat; w/Power Folding; Turn Signal |
| 2004 | GMC | Envoy XUV | Left | Power; w/Heat; w/Power Folding; Turn Signal |
| 2004 | Oldsmobile | Bravada | Left | Power; w/Power Folding; w/Heat; Turn Signal |
| 2003 | Chevrolet | Trailblazer | Left | Power; w/Power Folding; w/Heat; Turn Signal |
| 2003 | Chevrolet | Trailblazer EXT | Left | Power; w/Power Folding; w/Heat; Turn Signal |
| 2003 | GMC | Envoy | Left | Power; w/Heat; w/Power Folding; Turn Signal |
| 2003 | GMC | Envoy XL | Left | Power; w/Heat; w/Power Folding; Turn Signal |
| 2003 | Oldsmobile | Bravada | Left | Power; w/Power Folding; w/Heat; Turn Signal |
| 2002 | Chevrolet | Trailblazer | Left | Power; w/Power Folding; w/Heat; Turn Signal |
| 2002 | Chevrolet | Trailblazer EXT | Left | Power; w/Power Folding; w/Heat; Turn Signal |
| 2002 | GMC | Envoy | Left | Power; w/Heat; w/Power Folding; Turn Signal |
| 2002 | GMC | Envoy XL | Left | Power; w/Heat; w/Power Folding; Turn Signal |
| 2002 | Oldsmobile | Bravada | Left | Power; w/Power Folding; w/Heat; Turn Signal |
* 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.