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Dorman 090-066 Engine Oil Drain Plug
Reliable Engine Oil Drain Plug for Buick, Oldsmobile, and Pontiac
The Dorman 090-066 engine oil drain plug is designed to provide a secure and leak-free seal for your vehicle's oil pan. Compatible with select Buick Cutlass Calais, Oldsmobile, and Pontiac Grand Am and Skylark models, this steel drain plug ensures proper oil drainage and maintenance.
- Constructed from durable steel with a silver finish
- Metric M12-1.75 coarse thread for secure fitment
- Includes gasket for effective sealing
- Hex head drive type with 13 mm size for easy installation
- Package contains 5 oil drain plugs for multiple replacements
- No special tools required for installation
- Bolt grade 5.8 for reliable strength
Product Details and Specifications
The Dorman 090-066 oil drain plug features a conventional drain method with a standard oil drain plug design. It measures approximately 0.5 to 0.7 inches in length and has a thread pitch of 1.75, matching the M12-1.75 thread size. The plug is not magnetic and comes with a gasket type seal included to prevent oil leaks. Its hex head drive with 6 socket points allows for straightforward tightening or removal using common hand tools. This drain plug is designed specifically for metric thread systems and does not require any oversized threads or special installation tools.
Compatible Vehicles and Applications
This engine oil drain plug is compatible with various GM vehicles, including Buick Cutlass Calais, Oldsmobile models, and Pontiac Grand Am and Skylark. It is ideal for owners and mechanics seeking a direct replacement part that meets OEM specifications for these vehicles. Using the Dorman 090-066 ensures proper fitment and reliable sealing during oil changes.
- Prevents oil leaks caused by worn or damaged drain plugs
- Replaces stripped or corroded drain plugs
- Helps maintain proper oil drainage during routine maintenance
- Ensures a secure seal to avoid oil contamination or loss
- Supports engine longevity by facilitating timely oil changes
Installation Notes and Tips
Installation of the Dorman 090-066 oil drain plug requires no special tools beyond a 13 mm hex socket or wrench. Before installation, ensure the gasket is properly seated to prevent leaks. Tighten the plug to the manufacturer’s recommended torque specification to avoid over-tightening, which can damage the oil pan threads. Regular inspection during oil changes is advised to confirm the plug remains secure and leak-free.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards, providing dependable performance for your vehicle. The 090-066 oil drain plug is backed by Dorman’s quality assurance processes. Please refer to Dorman’s official warranty policy for specific coverage details.
| Brand | Dorman |
|---|---|
| Part Number | 090-066 |
| Bolt Grade | 5.8 |
| Color | Silver |
| Describe Type | Oil Drain Plug Standard |
| Drain Method | Conventional |
| Gasket Or Seal Included | Yes |
| Gasket Type | Gasket |
| Head Drive Type | Hex |
| Head Size (SAE/Metric) | 13 mm |
| Length | 0.5 |
| Length | 0.7 |
| Magnetic | No |
| Material | Steel |
| Oversized Thread | No |
| Package Contents | 5 Oil Drain Plugs |
| SAE or Metric | Metric |
| Socket Points | 6 |
| Special Tool Required | No |
| Thread Diameter | 12 |
| Thread Pitch | 1.75 |
| Thread Size | M12-1.75 |
| Thread Type | Coarse |
| Threads Per Inch | 0 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1991 | Buick | Skylark | 2.3L | L4 | N/A | M12 x 1.75 Thread; Shank Length (In): 0.5 in; Package Quantity: 5; Dorman - AutoGrade - Boxed; Packaging Type: Box; Thread Size: M12-1.75; Head Size (SAE/Metric): 13 mm |
| 1991 | Oldsmobile | Cutlass Calais | 2.3L | L4 | N/A | M12 x 1.75 Thread; Shank Length (In): 0.5 in; Package Quantity: 5; Dorman - AutoGrade - Boxed; Packaging Type: Box; Thread Size: M12-1.75; Head Size (SAE/Metric): 13 mm |
| 1991 | Pontiac | Grand Am | 2.3L | L4 | N/A | M12 x 1.75 Thread; Shank Length (In): 0.5 in; Package Quantity: 5; Dorman - AutoGrade - Boxed; Packaging Type: Box; Thread Size: M12-1.75; Head Size (SAE/Metric): 13 mm |
| 1990 | Buick | Skylark | 2.3L | L4 | N/A | M12 x 1.75 Thread; Shank Length (In): 0.5 in; Package Quantity: 5; Dorman - AutoGrade - Boxed; Packaging Type: Box; Thread Size: M12-1.75; Head Size (SAE/Metric): 13 mm |
| 1990 | Oldsmobile | Cutlass Calais | 2.3L | L4 | N/A | M12 x 1.75 Thread; Shank Length (In): 0.5 in; Package Quantity: 5; Dorman - AutoGrade - Boxed; Packaging Type: Box; Thread Size: M12-1.75; Head Size (SAE/Metric): 13 mm |
| 1990 | Pontiac | Grand Am | 2.3L | L4 | N/A | M12 x 1.75 Thread; Shank Length (In): 0.5 in; Package Quantity: 5; Dorman - AutoGrade - Boxed; Packaging Type: Box; Thread Size: M12-1.75; Head Size (SAE/Metric): 13 mm |
| 1989 | Buick | Skylark | 2.3L | L4 | N/A | M12 x 1.75 Thread; Shank Length (In): 0.5 in; Package Quantity: 5; Dorman - AutoGrade - Boxed; Packaging Type: Box; Thread Size: M12-1.75; Head Size (SAE/Metric): 13 mm |
| 1989 | Oldsmobile | Cutlass Calais | 2.3L | L4 | N/A | M12 x 1.75 Thread; Shank Length (In): 0.5 in; Package Quantity: 5; Dorman - AutoGrade - Boxed; Packaging Type: Box; Thread Size: M12-1.75; Head Size (SAE/Metric): 13 mm |
| 1989 | Pontiac | Grand Am | 2.3L | L4 | N/A | M12 x 1.75 Thread; Shank Length (In): 0.5 in; Package Quantity: 5; Dorman - AutoGrade - Boxed; Packaging Type: Box; Thread Size: M12-1.75; Head Size (SAE/Metric): 13 mm |
| 1988 | Buick | Skylark | 2.3L | L4 | N/A | M12 x 1.75 Thread; Shank Length (In): 0.5 in; Package Quantity: 5; Dorman - AutoGrade - Boxed; Packaging Type: Box; Thread Size: M12-1.75; Head Size (SAE/Metric): 13 mm |
| 1988 | Oldsmobile | Cutlass Calais | 2.3L | L4 | N/A | M12 x 1.75 Thread; Shank Length (In): 0.5 in; Package Quantity: 5; Dorman - AutoGrade - Boxed; Packaging Type: Box; Thread Size: M12-1.75; Head Size (SAE/Metric): 13 mm |
| 1988 | Pontiac | Grand Am | 2.3L | L4 | N/A | M12 x 1.75 Thread; Shank Length (In): 0.5 in; Package Quantity: 5; Dorman - AutoGrade - Boxed; Packaging Type: Box; Thread Size: M12-1.75; Head Size (SAE/Metric): 13 mm |
* 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.