Dorman 921-131 Engine Oil Drain Plug

Reliable Engine Oil Drain Plug for Audi and Volkswagen Models

The Dorman 921-131 engine oil drain plug is designed to provide a secure and leak-free seal for your vehicle's oil pan. Engineered from durable steel with a fine metric thread, this drain plug is compatible with a range of Audi and Volkswagen models, ensuring proper fit and function.

• Constructed from high-strength steel for durability
• Metric M14-1.50 fine thread with 0.53 inch diameter
• Includes O-ring gasket for effective sealing
• Hex head drive type with 6 socket points for easy installation
• Package contains 5 plugs and 5 washers for multiple replacements
• Compatible with Audi A4, A5, A6, A7, A8, Q5, Q7, RS4, RS5, RS7, S4, S5, S6, S7, S8, SQ5 and Volkswagen Amarok, Touareg models

Durable Design and Precise Specifications

The Dorman 921-131 oil drain plug features a bolt grade 2 steel construction finished in black, providing resistance to corrosion and wear. Its fine thread type (M14-1.50) ensures a tight fit in the oil pan, reducing the risk of leaks. The included O-ring gasket enhances the seal between the plug and the oil pan, preventing oil seepage during engine operation. The hex head with 6 socket points allows for secure tightening using the appropriate special tool, which is required for installation. With a length of 0.35 inches and a head size of 0.74 inches, this plug meets the exact specifications needed for proper fitment in compatible Audi and Volkswagen vehicles.

Compatible Vehicles and Applications

This engine oil drain plug is compatible with a wide range of Audi and Volkswagen models, including the Audi A4, A4 Quattro, A5, A5 Quattro, A6, A6 Quattro, A7, A7 Quattro, A8 Quattro, Q5, Q7, RS4, RS5, RS7, S4, S5, S6, S7, S8, SQ5, and Volkswagen Amarok and Touareg. It is designed for conventional oil drain methods and is part of Dorman's Oil-tite program, which focuses on reliable oil drain hardware.

Common Issues Addressed by the Dorman 921-131 Oil Drain Plug

• Prevents oil leaks caused by worn or damaged drain plugs
• Replaces stripped or corroded threads in the oil pan
• Ensures proper sealing with included O-ring gasket
• Facilitates routine oil changes with secure and easy removal
• Helps maintain engine oil integrity by preventing contamination

Installation Notes and Tips

Installation requires a special tool compatible with the hex head drive type featuring 6 socket points. Ensure the O-ring gasket is properly seated before tightening the plug to avoid leaks. Do not overtighten to prevent damage to the oil pan threads. Replace the drain plug and gasket as a set during oil changes for optimal performance. Verify compatibility with your specific Audi or Volkswagen model before installation.

Quality Assurance and Warranty

Dorman manufactures the 921-131 oil drain plug to meet industry standards for durability and fitment. The steel construction and included O-ring gasket contribute to long-lasting performance. While specific warranty details are not provided, Dorman products typically undergo rigorous quality control to ensure reliability in automotive applications.