Dorman 65339 Transfer Case Oil Drain Plug

Transfer Case Drain Plug for OE-Style Service

Dorman 65339 is a steel transfer case oil drain plug built to match the fit and function of the original drain plug on specified vehicles. It uses a 6-point head, includes a gasket or seal, and is made for reliable sealing during transfer case fluid service.

Compatible with a wide range of Chevrolet, GMC, Dodge, Jeep, Ford, Cadillac, and Oldsmobile applications, this drain plug supports direct replacement needs for transfer case maintenance on models such as the Chevrolet K1500, GMC Yukon, and Jeep Wrangler. The Dorman 65339 part number is also a useful reference when searching for OE-style transfer case drain plug replacement.

Key Features

• Steel construction for service durability
• 6-point head size for standard tool engagement
• Gasket or seal included for leak-resistant installation
• M22-1.50 thread size
• OE-style fit and function for specified transfer cases
• Designed for transfer case oil drain service

Detailed Description

This transfer case oil drain plug is engineered as a direct replacement for the original hardware used on select 1980-2000 trucks and SUVs. It is designed for transfer cases including common NP and New Process applications found in Chevrolet K1500, GMC K2500, Ford Bronco, and Jeep Wrangler platforms. The steel body and sealing hardware help restore proper drain-point closure after fluid changes or transfer case service. If you are searching for Dorman 65339 for a Chevrolet K1500, GMC Yukon, or similar 4x4 application, this part provides the correct thread and head style for the listed vehicles.

This part cross-references 4210616 and 14037987 for the same application.

Common Problems This Part Helps Address

• Stripped or damaged transfer case drain plug threads
• Fluid seepage at the drain point
• Rounded or worn plug heads that are difficult to remove
• Corrosion on original transfer case hardware
• Improper sealing after transfer case fluid service

Installation Notes and Tips

• Verify transfer case model and drain plug thread size before installation.
• Inspect the drain opening for damaged threads or debris before fitting the new plug.
• Clean the sealing surface so the gasket or seal seats evenly.
• Use the correct 6-point socket to avoid rounding the head.
• Confirm the plug is tightened to the vehicle service specification.

Quality Assurance

Dorman designs this drain plug to match the original part’s fit and function on the listed vehicles. It is manufactured from quality materials for dependable transfer case service.