This engine cylinder head 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.

Concave Steel Cup Expansion Plug 1-1/4 in., Height 1.248 in. 550-017 Features:

• Fits 1976 Cadillac Calais; 1976-1981 Cadillac Commercial Chassis; 1976-1981 Cadillac DeVille; 1976-1981 Cadillac Eldorado; 1976-1981 Cadillac Fleetwood; 1976-1981 Cadillac Seville
• Direct replacement — this engine cylinder head 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