Dorman Autograde Transmission Oil Drain Plug Piggyback 1/2-20 for Universal Applications 090-048

Transmission oil drain plug piggyback 1/2-20 thread used to replace worn or leaking factory drain plugs on specified vehicles.

Built to meet the manufacturer's design intent for reliable service, this plug is constructed from quality materials and engineered to match the dimensions and function of the original equipment part for a secure fit.

Key Features

• Thread size: 1/2-20
• Piggyback design for versatile installation
• Constructed from durable materials
• Matches OE dimensions and function
• Backed by over a century of automotive experience
• Validated through rigorous testing

Benefits

• Stops transmission fluid leaks effectively
• Restores proper sealing to the transmission pan
• Direct-fit replacement simplifies installation
• Reduces the risk of repeat repairs
• Ensures long-lasting durability under daily driving conditions
• Provides confidence with a quality-assured solution

Application

Ideal for mechanics and vehicle owners needing a reliable replacement for damaged or stripped transmission drain plugs that require a 1/2-20 thread specification.

Fitment Notes

• Universal application for vehicles requiring a 1/2-20 thread piggyback drain plug
• Verify thread size and application before purchase
• Compatible with part numbers Barnes Systems 704-1914, Marli 78-92KT, and Marli 78-91

Why Choose Dorman - Autograde?

• Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function
• Built with quality materials to stand up to daily driving demands
• Supported by a team of product experts in the United States

What's in the Box

• 3 Piece Set

Item Dimensions

• Length: 3.2 inches
• Width: 2.4 inches
• Height: 1.5 inches
• Weight: 0.5 lbs