Dorman Autograde Engine Oil Drain Plug Oversize 11/16-20 with 1 Inch Head for Buick 1942-1958 090-017

Oversize engine oil drain plug 11/16-20 thread with 1 inch head for 1942 to 1958 Buick models used to replace missing or stripped factory drain plugs.

Built to meet the manufacturer's design intent for reliable service, this plug is engineered from durable materials to withstand engine heat and torque requirements while maintaining a secure seal.

Key Features

• Oversize thread specification of 11/16-20 S.O. designed for specific repair applications
• Large 1 inch head size allows for easier installation and removal with standard tools
• Direct replacement for original equipment on specified vintage Buick vehicles
• Constructed to restore proper sealing function and prevent oil leaks
• Includes 5 pieces per package for multiple service intervals or shop stock

Benefits

• Rescues oil pans with stripped or damaged original drain plug threads
• Prevents costly oil pan replacement by providing a secure oversized fit
• Ensures confidence in oil change maintenance with a leak-free seal
• Reduces risk of future repairs through durable construction and precise engineering
• Offers value with a multi-pack quantity for long-term vehicle upkeep

Application

Ideal for classic car restorations and maintenance on 1942 through 1958 Buick vehicles requiring an oversized thread repair for the engine oil pan.

Fitment Notes

• Compatible with Buick models from years 1942 to 1958 as specified by manufacturer
• Verify thread size 11/16-20 and head size 1 inch before purchase to ensure correct fit

Why Choose Dorman?

• Dorman delivers proven aftermarket solutions with a strong focus on fit, durability, and dependable performance to keep your vehicle operating correctly.

What's in the Box

• 5 Piece set of oversize oil drain plugs

Item Dimensions

• 3.2 inches x 2.4 inches x 1.5 inches
• Weight: 0.6 lbs