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Dorman 265-814 Transmission Oil Pan
Durable Transmission Oil Pan for Select GM Vehicles
The Dorman 265-814 transmission oil pan is engineered to provide reliable service for a range of General Motors vehicles including Buick, Chevrolet, Oldsmobile, Pontiac, and Saturn models. Constructed from sturdy steel with a black finish, this one-piece transmission pan offers a precise fit and essential features for maintaining transmission fluid integrity.
- Material: Heavy-duty steel construction for durability
- Capacity: Holds up to 13.5 quarts of transmission fluid
- Dimensions: 18 inches length, 15.5 inches width, and 0.5 inches depth
- Configuration: One-piece design with a one-piece gasket configuration
- Drain Plug: Includes a drain plug with a 14 mm thread diameter for easy fluid changes
- Mounting: Features 20 mounting holes with 7.5 mm diameter for secure installation
- Color: Finished in black for corrosion resistance
Product Details and Specifications
The Dorman 265-814 transmission oil pan is designed to meet the specifications required by various GM vehicles such as the Chevrolet Impala, Buick LaCrosse, Pontiac Grand Prix, and Saturn Aura. Its steel construction ensures resistance to impact and corrosion, while the included drain plug simplifies maintenance by allowing quick fluid drainage without removing the entire pan. The pan’s 1.5 mm thickness provides structural integrity, and the one-piece gasket configuration helps maintain a reliable seal to prevent leaks. With a capacity of 13.5 quarts, it accommodates the transmission fluid volume needed for smooth operation.
Compatible Vehicles and Applications
- Buick models including LaCrosse, Lucerne, and LeSabre
- Chevrolet models such as Impala, Malibu, and Monte Carlo
- Oldsmobile models including Aurora and Intrigue
- Pontiac models like Grand Prix, G6, and Bonneville
- Saturn models including Aura and Vue
This transmission oil pan is suitable for vehicles requiring a steel pan with a drain plug and specific mounting hole configuration, making it a practical replacement for worn or damaged pans in these GM models.
Common Issues Addressed by This Transmission Oil Pan
- Leaking transmission fluid due to damaged or corroded pans
- Difficulty draining transmission fluid without a drain plug
- Structural damage from road debris or impact
- Improper sealing causing fluid loss and transmission performance issues
- Replacement of worn or rusted factory pans
Installation Notes and Tips
Ensure the transmission surface is clean and free of old gasket material before installation. This pan uses a one-piece gasket configuration; however, the gasket is not included and must be sourced separately. Tighten mounting bolts evenly to the manufacturer’s torque specifications to avoid warping the pan. The included drain plug should be inspected for proper sealing and replaced if necessary during installation.
Quality Assurance and Warranty
Dorman transmission oil pans are manufactured to meet or exceed OEM standards for fit and function. While specific warranty details for part number 265-814 are not provided, Dorman products typically come with a limited warranty covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.
| Brand | Dorman |
|---|---|
| Part Number | 265-814 |
| Material | Steel |
| Capacity | 13.5 |
| Length | 18 |
| Maximum Width | 15.5 |
| Color | Black |
| Configuration | One piece |
| Thickness | 1.5 |
| Maximum Depth | 0.5 |
| Dipstick Port | No |
| Drain Plug Included | Yes |
| Drain Thread Diameter | 14 |
| Minimum Depth | 0.5 |
| Width | 15.5 |
| Mounting Hardware Included | No |
| Grade Type | Regular |
| Gasket Or Seal Included | No |
| Mounting Hole Quantity | 20 |
| Gasket Configuration | One piece |
| Mounting Hole Diameter | 7.5 mm |
| Package Contents | Transmission pan |
This part fits 169 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2011 | Buick | Lucerne | N/A | |||
| 2011 | Chevrolet | Impala | N/A | |||
| 2010 | Buick | Lucerne | N/A | |||
| 2010 | Chevrolet | Impala | N/A | |||
| 2009 | Buick | Allure | N/A | |||
| 2009 | Buick | LaCrosse | N/A | |||
| 2009 | Buick | Lucerne | N/A | |||
| 2009 | Chevrolet | Impala | N/A | |||
| 2009 | Chevrolet | Uplander | N/A | |||
| 2009 | Pontiac | G6 | 3.9L | V6 | N/A | |
| 2009 | Pontiac | Montana | N/A | |||
| 2008 | Buick | Allure | N/A | |||
| 2008 | Buick | LaCrosse | N/A | |||
| 2008 | Buick | Lucerne | N/A | |||
| 2008 | Chevrolet | Impala | N/A | |||
| 2008 | Chevrolet | Uplander | N/A | |||
| 2008 | Pontiac | G6 | 3.9L | V6 | N/A | |
| 2008 | Pontiac | Grand Prix | N/A | |||
| 2008 | Pontiac | Montana | N/A | |||
| 2007 | Buick | LaCrosse | N/A | |||
| 2007 | Buick | Lucerne | 3.8L | V6 | N/A | |
| 2007 | Buick | Rendezvous | N/A | |||
| 2007 | Buick | Terraza | N/A | |||
| 2007 | Chevrolet | Impala | N/A | |||
| 2007 | Chevrolet | Malibu | N/A | |||
| 2007 | Chevrolet | Monte Carlo | N/A | |||
| 2007 | Chevrolet | Uplander | N/A | |||
| 2007 | Pontiac | G6 | 3.9L | V6 | N/A | |
| 2007 | Pontiac | Grand Prix | N/A | |||
| 2007 | Saturn | Relay | N/A | |||
| 2006 | Buick | LaCrosse | N/A | |||
| 2006 | Buick | Lucerne | 3.8L | V6 | N/A | |
| 2006 | Buick | Rendezvous | N/A | |||
| 2006 | Buick | Terraza | N/A | |||
| 2006 | Chevrolet | Impala | N/A | |||
| 2006 | Chevrolet | Malibu | N/A | |||
| 2006 | Chevrolet | Monte Carlo | N/A | |||
| 2006 | Chevrolet | Uplander | N/A | |||
| 2006 | Pontiac | G6 | N/A | |||
| 2006 | Pontiac | Grand Prix | N/A | |||
| 2006 | Pontiac | Montana | N/A | |||
| 2006 | Saturn | Relay | N/A | |||
| 2005 | Buick | Century | N/A | |||
| 2005 | Buick | LaCrosse | N/A | |||
| 2005 | Buick | LeSabre | N/A | |||
| 2005 | Buick | Park Avenue | N/A | |||
| 2005 | Buick | Rendezvous | N/A | |||
| 2005 | Buick | Terraza | N/A | |||
| 2005 | Chevrolet | Impala | N/A | |||
| 2005 | Chevrolet | Monte Carlo | N/A | |||
| 2005 | Chevrolet | Uplander | N/A | |||
| 2005 | Pontiac | Aztek | N/A | |||
| 2005 | Pontiac | Bonneville | N/A | |||
| 2005 | Pontiac | Grand Prix | N/A | |||
| 2005 | Pontiac | Montana | N/A | |||
| 2005 | Saturn | Relay | N/A | |||
| 2004 | Buick | Century | N/A | |||
| 2004 | Buick | LeSabre | N/A | |||
| 2004 | Buick | Park Avenue | N/A | |||
| 2004 | Buick | Regal | N/A | |||
| 2004 | Buick | Rendezvous | N/A | |||
| 2004 | Chevrolet | Impala | N/A | |||
| 2004 | Chevrolet | Monte Carlo | N/A | |||
| 2004 | Oldsmobile | Silhouette | N/A | |||
| 2004 | Pontiac | Aztek | N/A | |||
| 2004 | Pontiac | Bonneville | N/A | |||
| 2004 | Pontiac | Grand Prix | N/A | |||
| 2004 | Pontiac | Montana | N/A | |||
| 2003 | Buick | Century | N/A | |||
| 2003 | Buick | LeSabre | N/A | |||
| 2003 | Buick | Park Avenue | N/A | |||
| 2003 | Buick | Regal | N/A | |||
| 2003 | Buick | Rendezvous | N/A | |||
| 2003 | Chevrolet | Impala | N/A | |||
| 2003 | Chevrolet | Monte Carlo | N/A | |||
| 2003 | Oldsmobile | Silhouette | N/A | |||
| 2003 | Pontiac | Aztek | N/A | |||
| 2003 | Pontiac | Bonneville | N/A | |||
| 2003 | Pontiac | Grand Prix | N/A | |||
| 2003 | Pontiac | Montana | N/A | |||
| 2002 | Buick | Century | N/A | |||
| 2002 | Buick | LeSabre | N/A | |||
| 2002 | Buick | Park Avenue | N/A | |||
| 2002 | Buick | Regal | N/A | |||
| 2002 | Buick | Rendezvous | N/A | |||
| 2002 | Chevrolet | Impala | N/A | |||
| 2002 | Chevrolet | Monte Carlo | N/A | |||
| 2002 | Oldsmobile | Aurora | 3.5L | V6 | N/A | |
| 2002 | Oldsmobile | Intrigue | N/A | |||
| 2002 | Oldsmobile | Silhouette | N/A | |||
| 2002 | Pontiac | Aztek | N/A | |||
| 2002 | Pontiac | Bonneville | N/A | |||
| 2002 | Pontiac | Grand Prix | N/A | |||
| 2002 | Pontiac | Montana | N/A | |||
| 2001 | Buick | Century | N/A | |||
| 2001 | Buick | LeSabre | N/A | |||
| 2001 | Buick | Park Avenue | N/A | |||
| 2001 | Buick | Regal | N/A | |||
| 2001 | Chevrolet | Impala | N/A | |||
| 2001 | Chevrolet | Lumina | N/A | |||
| 2001 | Chevrolet | Monte Carlo | N/A | |||
| 2001 | Oldsmobile | Aurora | 3.5L | V6 | N/A | |
| 2001 | Oldsmobile | Intrigue | N/A | |||
| 2001 | Oldsmobile | Silhouette | N/A | |||
| 2001 | Pontiac | Aztek | N/A | |||
| 2001 | Pontiac | Bonneville | N/A | |||
| 2001 | Pontiac | Grand Prix | N/A | |||
| 2001 | Pontiac | Montana | N/A | |||
| 2000 | Buick | Century | N/A | |||
| 2000 | Buick | LeSabre | N/A | |||
| 2000 | Buick | Park Avenue | N/A | |||
| 2000 | Buick | Regal | N/A | |||
| 2000 | Chevrolet | Impala | N/A | |||
| 2000 | Chevrolet | Lumina | N/A | |||
| 2000 | Chevrolet | Monte Carlo | N/A | |||
| 2000 | Oldsmobile | Intrigue | N/A | |||
| 2000 | Oldsmobile | Silhouette | N/A | |||
| 2000 | Pontiac | Bonneville | N/A | |||
| 2000 | Pontiac | Grand Prix | N/A | |||
| 2000 | Pontiac | Montana | N/A | |||
| 1999 | Buick | Century | N/A | |||
| 1999 | Buick | LeSabre | N/A | |||
| 1999 | Buick | Park Avenue | N/A | |||
| 1999 | Buick | Regal | N/A | |||
| 1999 | Buick | Riviera | N/A | |||
| 1999 | Chevrolet | Lumina | N/A | |||
| 1999 | Chevrolet | Monte Carlo | N/A | |||
| 1999 | Oldsmobile | 88 | N/A | |||
| 1999 | Oldsmobile | Intrigue | N/A | |||
| 1999 | Oldsmobile | LSS | N/A | |||
| 1999 | Oldsmobile | Silhouette | N/A | |||
| 1999 | Pontiac | Bonneville | N/A | |||
| 1999 | Pontiac | Grand Prix | N/A | |||
| 1999 | Pontiac | Montana | N/A | |||
| 1998 | Buick | Century | N/A | 6 mm Bolts | ||
| 1998 | Buick | LeSabre | N/A | 6 mm Bolts | ||
| 1998 | Buick | Park Avenue | N/A | 6 mm Bolts | ||
| 1998 | Buick | Regal | N/A | 6 mm Bolts | ||
| 1998 | Buick | Riviera | N/A | 6 mm Bolts | ||
| 1998 | Buick | Skylark | N/A | 6 mm Bolts | ||
| 1998 | Chevrolet | Lumina | N/A | 6 mm Bolts | ||
| 1998 | Chevrolet | Monte Carlo | N/A | 6 mm Bolts | ||
| 1998 | Oldsmobile | 88 | N/A | 6 mm Bolts | ||
| 1998 | Oldsmobile | Achieva | N/A | 6 mm Bolts | ||
| 1998 | Oldsmobile | Cutlass | N/A | 6 mm Bolts | ||
| 1998 | Oldsmobile | Intrigue | N/A | 6 mm Bolts | ||
| 1998 | Oldsmobile | LSS | N/A | 6 mm Bolts | ||
| 1998 | Oldsmobile | Regency | N/A | 6 mm Bolts | ||
| 1998 | Oldsmobile | Silhouette | N/A | 6 mm Bolts | ||
| 1998 | Pontiac | Bonneville | N/A | 6 mm Bolts | ||
| 1998 | Pontiac | Grand Prix | N/A | 6 mm Bolts | ||
| 1998 | Pontiac | Trans Sport | N/A | 6 mm Bolts | ||
| 1997 | Buick | Century | N/A | 6 mm Bolts | ||
| 1997 | Buick | Park Avenue | N/A | 6 mm Bolts | ||
| 1997 | Buick | Regal | N/A | 6 mm Bolts | ||
| 1997 | Buick | Riviera | N/A | 6 mm Bolts | ||
| 1997 | Buick | Skylark | N/A | 6 mm Bolts | ||
| 1997 | Chevrolet | Lumina | N/A | 6 mm Bolts | ||
| 1997 | Chevrolet | Monte Carlo | N/A | 6 mm Bolts | ||
| 1997 | Oldsmobile | 88 | N/A | 6 mm Bolts | ||
| 1997 | Oldsmobile | Achieva | N/A | 6 mm Bolts | ||
| 1997 | Oldsmobile | Cutlass | N/A | 6 mm Bolts | ||
| 1997 | Oldsmobile | Cutlass Supreme | N/A | 6 mm Bolts | ||
| 1997 | Oldsmobile | LSS | N/A | 6 mm Bolts | ||
| 1997 | Oldsmobile | Regency | N/A | 6 mm Bolts | ||
| 1997 | Oldsmobile | Silhouette | N/A | 6 mm Bolts | ||
| 1997 | Pontiac | Bonneville | N/A | 6 mm Bolts | ||
| 1997 | Pontiac | Grand Prix | N/A | 6 mm Bolts | ||
| 1997 | Pontiac | Trans Sport | N/A | 6 mm Bolts |
* 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.