Dorman 65407 Engine Oil Drain Plug

OE-Style Oil Drain Plug for VW and Audi

Dorman 65407 is a direct replacement engine oil drain plug for vehicles that use an M14-1.50 fine thread and a 19 mm hex head. It is built from steel with a trapped washer design and included gasket/seal to help restore a proper oil pan seal after service.

For Audi A6 Quattro, Q5, S4, and Volkswagen GTI applications, this drain plug matches the original thread pitch for a secure fit and conventional oil drain service. Dorman 65407 is also listed under cross-reference part number N90856001 for the same application.

Key Features

• Direct replacement engine oil drain plug for OE-style service
• Steel construction with silver finish
• M14-1.50 metric fine thread for proper engagement
• 19 mm hex head with 6-point socket drive
• Trapped washer design with gasket/seal included
• Conventional drain method; no special tool required

Detailed Product Overview

This Dorman oil drain plug is made to replace a damaged or worn original plug without changing the factory thread specification. The M14 x 1.50 thread size, 14 mm thread diameter, and fine pitch help maintain a quality seal in the oil pan, while the steel body and hex head provide a familiar serviceable design for routine oil changes. Part number 65407 is a practical choice for owners and technicians servicing many late-model Audi and Volkswagen engines.

Compatible With select 2022-2025 Audi A6 allroad, A6 Quattro, A7 Sportback, A8 Quattro, Q7, Q8, RS Q8, RS3, RS5, RS6 Avant, RS7 Sportback, S4, S5, S6, S7 Sportback, S8, SQ5, SQ7, and SQ8 models, plus 2024-2025 Volkswagen Atlas, Atlas Cross Sport, Cross Sport, Golf R, GTI, and Teramont applications. It also covers a wide range of earlier Audi and Volkswagen models that use the same M14-1.50 drain plug specification.

Common Problems It Can Solve

• Stripped or damaged oil drain plug threads
• Oil seepage from a worn sealing surface
• Rounded or difficult-to-remove drain plug heads
• Incorrect thread pitch after prior service
• Recurring leaks during routine oil changes

Installation Notes and Tips

Verify the thread size, pitch, and head size before installation. Clean the oil pan threads and sealing surface, then install by hand first to avoid cross-threading. Tighten with the correct 19 mm tool during service, and inspect for leaks after the oil change is complete. This part uses a conventional drain method and does not require a special tool.

Quality Assurance

Dorman manufactures this replacement drain plug as an OE-style service part for direct fit and dependable sealing performance. The included gasket/seal supports proper reassembly during maintenance, and the part is engineered to match the original thread pitch for the listed Audi and Volkswagen applications.