Dorman Engine Expansion Plug 1-1/2 in. with Rubber for 1947-1950 Chevrolet GMC 02603

Engine Expansion Plug for 1947-1950 Chevrolet GMC by Dorman used to replace worn or failing factory plugs.

Built to meet the manufacturer’s design intent for reliable service.

Key Features

• 1-1/2 in. size range 1-1/2 in. to 1-5/8 in.
• Rubber construction for durability and flexibility.
• Matches original fit and function on specified vehicles.
• Engineered for reliable performance.

Benefits

• Restores proper engine sealing to prevent oil leaks.
• Extends engine life by maintaining optimal compression.
• Easy installation with no special tools required.
• Provides confidence in long‑lasting repair.

Application

This part is for classic Chevrolet and GMC engines from 1947 to 1950, ideal for restoration projects or maintaining vintage vehicles.

Fitment Notes

• Compatible with 1947-1950 Chevrolet GMC.

Why Choose Dorman - HELP?

• Choosing Dorman aftermarket replacement parts is a smart way to restore your vehicle with confidence, thanks to a strong focus on fit, durability, and dependable performance. Dorman parts are engineered as direct‑fit replacements designed to match OE form, fit, and function, helping ensure a smoother installation and reliable results. Built with quality materials and validated through testing, they’re made to stand up to daily driving demands and help reduce the risk of repeat repairs. For a long‑lasting fix you can trust, Dorman delivers proven aftermarket solutions that keep your vehicle operating the way it should.

What’s in the Box

• Included items not specified by the manufacturer.

Item Dimensions

• 4.0in x 3.6in x 1.3in, 0.2lbs