Workhorse W21 Engine Blocks
- Dorman®Autograde™ Expansion PlugAutograde™ Expansion Plug by Dorman®. 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.Direct replacement - this engine expansion plug matches the fit and function of the factory part on specified years, makes and modelsIdeal solution - this plug is a reliable replacement for an original part that is missing or has failed due to fatigue$0.61 - $27.12
- Dorman®Autograde™ 2-7/31" Steel Cup Expansion Plugs (555-081)Autograde™ 2-7/31" Steel Cup Expansion Plugs (555-081) by Dorman®. 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...Direct replacement - this engine expansion plug matches the fit and function of the factory part on specified years, makes and modelsIdeal solution - this plug is a reliable replacement for an original part that is missing or has failed due to fatigue$12.82