OE Quality
60-Day Returns

Dorman 955-318 Door Mirror - Right
Overview of Dorman 955-318 Door Mirror for Buick and Oldsmobile
The Dorman 955-318 door mirror is designed specifically for select Buick and Oldsmobile models, including the Buick LeSabre, LSS, and Park Avenue, as well as Oldsmobile 88 and 98. This powered door mirror offers reliable electric adjustment and a durable plastic construction to restore your vehicle's exterior functionality.
- Material: Durable plastic housing in black
- Electric adjustment for precise mirror positioning
- Clear, rectangular convex glass for enhanced visibility
- Includes mounting hardware and wiring harness for straightforward installation
- Designed for specific fitment on Buick and Oldsmobile models
- Attachment via screws with three mounting holes
- Paintable housing to match vehicle color
Detailed Product Description
The Dorman 955-318 door mirror assembly features a powered mirror type with electric adjustment, allowing drivers to easily customize the mirror angle without manual effort. The mirror glass is clear and rectangular with a convex shape, which helps reduce blind spots by providing a wider field of view. The black plastic housing is paintable, enabling a seamless color match with your vehicle’s exterior. This mirror is designed for specific fitment on Buick LeSabre, LSS, Park Avenue, and Oldsmobile 88 and 98 models, ensuring proper alignment and secure attachment using the included mounting hardware and wiring harness. The mirror attaches with screws through three mounting holes, providing a stable and durable installation.
Common Uses and Issues Addressed
- Replacement of cracked or broken door mirrors on Buick LeSabre and Oldsmobile 88
- Restoring electric mirror adjustment functionality on Buick LSS and Park Avenue
- Upgrading worn or faded mirror housings to improve vehicle appearance
- Fixing loose or improperly mounted mirrors due to damaged mounting points
- Replacing non-functional powered mirrors to maintain driver safety and visibility
Installation Notes and Tips
- Ensure vehicle compatibility with Buick LeSabre, LSS, Park Avenue, or Oldsmobile 88 and 98 before installation
- Use the included mounting hardware and wiring harness for a complete and secure fit
- Carefully remove the old mirror assembly to avoid damage to the door panel or wiring
- Paint the mirror housing prior to installation if color matching is desired
- Test electric adjustment functionality before finalizing installation
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 955-318 door mirror undergoes quality checks 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 documentation for exact warranty terms.
| Brand | Dorman |
| Part Number | 955-318 |
| Adjustment Type | Electric |
| Aspherical Glass | No |
| Attachment Type | Screws |
| Automatic Dimming Included | No |
| Blind Spot Indicator | No |
| Blind Spot Mirror Included | No |
| Convex Shaped Glass | Yes |
| Extendable Mirror | No |
| Fold Away Mirror | No |
| Glass Color | Clear |
| Glass Shape | Rectangular |
| Grade Type | Regular |
| Heated | No |
| Housing Color | Black |
| Housing Turn Signal Indicator | No |
| Lane Departure Warning System | No |
| Material | Plastic |
| Memory Setting | No |
| Mirror Turn Signal Indicator | No |
| Mirror Type | Powered Mirror |
| Mounting Hardware Included | Yes |
| Mounting Hole Quantity | 3 |
| Package Contents | 1 Mirror Assembly |
| Paintable | Yes |
| Universal Or Specific Fit | Specific |
| Wiring Harness Included | Yes |
This part fits 32 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1999 | Buick | LeSabre | Right | Power; Black; wo/Heat; wo/Dimming |
| 1999 | Oldsmobile | 88 | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1999 | Oldsmobile | LSS | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1998 | Buick | LeSabre | Right | Power; Black; wo/Heat; wo/Dimming |
| 1998 | Oldsmobile | 88 | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1998 | Oldsmobile | LSS | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1997 | Buick | LeSabre | Right | Power; Black; wo/Heat; wo/Dimming |
| 1997 | Oldsmobile | 88 | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1997 | Oldsmobile | LSS | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1996 | Buick | LeSabre | Right | Power; Black; wo/Heat; wo/Dimming |
| 1996 | Buick | Park Avenue | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1996 | Oldsmobile | 88 | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1996 | Oldsmobile | 98 | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1996 | Oldsmobile | LSS | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1995 | Buick | LeSabre | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1995 | Buick | Park Avenue | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1995 | Oldsmobile | 88 | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1995 | Oldsmobile | 98 | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1994 | Buick | LeSabre | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1994 | Buick | Park Avenue | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1994 | Oldsmobile | 88 | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1994 | Oldsmobile | 98 | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1993 | Buick | LeSabre | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1993 | Buick | Park Avenue | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1993 | Oldsmobile | 88 | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1993 | Oldsmobile | 98 | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1992 | Buick | LeSabre | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1992 | Buick | Park Avenue | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1992 | Oldsmobile | 88 | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1992 | Oldsmobile | 98 | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1991 | Buick | Park Avenue | Right | Fits vehicles equipped with power-operated mirrors only. |
| 1991 | Oldsmobile | 98 | Right | Fits vehicles equipped with power-operated mirrors only. |
* 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.