Dorman 090-091 Engine Oil Drain Plug

Reliable Engine Oil Drain Plug for GM and Related Vehicles

The Dorman 090-091 engine oil drain plug is designed for a secure and leak-free oil change experience. Made from durable steel with a silver finish, this drain plug is compatible with a wide range of Buick, Chevrolet, GMC, Cadillac, and other GM-related models.

• Constructed from high-quality steel for strength and durability
• Includes a gasket o-ring to ensure a tight, leak-resistant seal
• Metric M12-1.75 coarse thread with 15 mm hex head for easy installation
• Does not require special tools for removal or installation
• Package contains 5 oil drain plugs for multiple maintenance needs

Durable Design and Precise Specifications

The Dorman 090-091 oil drain plug features a 1.19-inch length and a 12 mm thread diameter with a 1.75 thread pitch, designed to meet OEM specifications. Its 15 mm hex head drive type allows for straightforward tightening and removal using standard sockets or wrenches. The included gasket o-ring provides a reliable seal to prevent oil leaks during engine operation. This drain plug is non-magnetic and has a bolt grade of 3, suitable for conventional drain methods without requiring oversized threads or special tools.

Compatible Vehicles and Applications

This engine oil drain plug is compatible with numerous GM makes and models, including Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, and Saturn. It fits popular models such as the Chevrolet Silverado 1500, GMC Sierra 2500 HD, Cadillac Escalade, Buick LaCrosse, and Pontiac Grand Prix, among others. The Dorman 090-091 is ideal for routine oil changes and maintenance on these vehicles.

• Prevents oil leaks caused by worn or damaged drain plugs
• Replaces stripped or corroded drain plugs
• Ensures proper sealing during oil changes
• Helps maintain engine oil system integrity
• Supports conventional oil drain methods without modification

Installation Notes and Tips

Installation of the Dorman 090-091 drain plug requires no special tools; a 15 mm socket or wrench is sufficient. Always replace the gasket o-ring during installation to ensure a proper seal. Tighten the drain plug to the vehicle manufacturer’s recommended torque specification to avoid over-tightening or thread damage. Inspect the drain hole threads for wear before installation to ensure compatibility.

Quality Assurance and Warranty

Dorman manufactures this engine oil drain plug to meet or exceed OEM standards for fit, form, and function. The steel construction and included gasket o-ring contribute to long-lasting performance. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in material and workmanship.