This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Brass Cup Expansion Plug 15/16 in., Height 0.380 565-016 Features:

• Fits 1977-1980 & 1975 Buick; 1979 & 1975 Oldsmobile; 1959-1981 Pontiac
• Direct replacement — this engine expansion plug matches the fit and function of the factory part on specified years, makes and models
• Ideal solution — this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
• Durable construction — this part is made from quality materials to ensure reliable performance and long service life
• Trustworthy quality — backed by team of product experts in the United States and more than a century of automotive experience