Vaico V25-0439 Engine Oil Drain Plug

Engine Oil Drain Plug for Land Rover Applications

Vaico V25-0439 is an engine oil drain plug built for Land Rover service applications that use an M14 x 1.5 drain thread. It features a male hex bolt head design, an oiled surface, and a seal ring for a secure oil pan drain connection during routine maintenance.

VAICO product line parts are developed as aftermarket replacement components for European vehicle service needs, with fitment-focused specifications that match the thread size and sealing style required by the application.

Key Features

• Part number V25-0439
• Engine oil drain plug with male hex head design
• M14 x 1.5 outer thread and thread pitch
• 13 mm spanner size for service removal and installation
• Includes seal ring
• Oiled surface finish
• Thread length: 21 mm

Detailed Product Overview

This Vaico oil drain plug is specified for Land Rover Discovery, Range Rover, Range Rover Sport, LR4, and LR3 applications that call for an M14 x 1.5 drain plug. The V25-0439 uses a 21 mm thread length, 34 mm overall height, and 21 mm width, giving it the dimensions needed for a direct service replacement in the correct oil pan design. This part cross-references Febi-Bilstein 21096 and Dorman - Autograde 65324 for the same application.

What This Part Helps Address

• Stripped or worn drain plug threads
• Oil seepage at the drain point
• Damaged sealing surface at the oil pan
• Incorrect thread size during oil service
• Routine drain plug replacement during oil changes

Installation Notes and Tips

• Verify the oil pan uses M14 x 1.5 threads before installation.
• Inspect the drain opening and sealing surface for damage before fitting the plug.
• Use the 13 mm hex head for controlled tightening.
• Confirm the seal ring seats evenly to maintain a proper drain seal.
• Match the vehicle application to the listed Land Rover fitment before service.

Quality Assurance

Vaico V25-0439 is an aftermarket replacement part built to match the specified thread size, sealing style, and service dimensions used in the listed Land Rover applications. Confirmed fitment includes 2005-2017 Land Rover Range Rover, 2006-2017 Land Rover Range Rover Sport, 2011-2016 Land Rover LR4, 2010 Land Rover LR4, 2005-2009 Land Rover LR3, and 2017 Land Rover Discovery.