3945093CUM
Expansion Plug
Kenworth®

The Expansion Plug is a vital engine component used to seal openings in cylinder blocks and other engine parts, accommodating thermal expansion and pressure changes. Constructed from durable materials, it provides a reliable seal that prevents fluid leaks and maintains engine integrity. Properly functioning expansion plugs are essential for engine longevity and performance. When you purchase genuine OEM Expansion Plugs from Source One Parts Center, you ensure compatibility and quality that meet or exceed manufacturer standards. Our extensive selection and expert staff make us the best place to source authentic Kenworth truck parts, helping you keep your engine running smoothly and efficiently.