Expansion Plugs

Pioneer PE-496 freeze plug. Features complete engine set, steel construction, zinc oxide finish, fits GM LS-Series engines, prevents coolant leaks, sold as a kit.

Pioneer EPC-16-100 freeze plug. Features 1in diameter, steel construction, zinc oxide finish, universal fit, prevents coolant leaks, sold as a set of 100.

Pioneer PE-275-B freeze plug. Features complete engine set, brass construction, natural finish, fits Big Block Chevy marine engines, prevents coolant leaks, sold as a kit.

Pioneer EPC-212-A-10 freeze plug. Features 41/64in diameter, steel construction, zinc oxide finish, universal fit, prevents coolant leaks, sold as a set of 10.

Pioneer EPC-16-B-10 freeze plug. Features 1in diameter, brass construction, natural finish, universal fit, prevents coolant leaks, sold as a set of 10.

Pioneer EPS-175-10 freeze plug. Features 2-1/4in diameter, steel construction, zinc oxide finish, universal fit, prevents coolant leaks, sold as a set of 10.

Pioneer EPS-191-10 freeze plug. Features 2-1/2in diameter, steel construction, zinc oxide finish, universal fit, prevents coolant leaks, sold as a set of 10.

Pioneer EPC-80-B-10 freeze plug. Features 1-3/8in diameter, brass construction, natural finish, universal fit, prevents coolant leaks, sold as a set of 10.

Pioneer EPC-52-100 freeze plug. Features 5/8in diameter, steel construction, zinc oxide finish, universal fit, prevents coolant leaks, sold as a set of 100.

Pioneer EPC-85-100 freeze plug. Features 1-1/2in diameter, steel construction, zinc oxide finish, universal fit, prevents coolant leaks, sold as a set of 100.

Pioneer PE-275 freeze plug. Features complete engine set, steel construction, zinc oxide finish, fits Big Block Chevy marine engines, prevents coolant leaks, sold as a kit.

Pioneer EPC-41-B-100 freeze plug. Features 1-5/8in diameter, brass construction, natural finish, universal fit, prevents coolant leaks, sold as a set of 100.