Home / Engine / Kat’s K4B frost plug engine heater View cart “SPM 60712 gasket” has been added to your cart. Kat’s K4B frost plug engine heater$12.00 1 in stock Kat's K4B frost plug engine heater quantity Add to cart SKU: ENG-MB-006 Category: Engine Description Description Kat’s K4B frost plug engine heater – SKU ENG-MB-006 New Old Stock Kat’s K4B frost plug engine heater – pulled from the inventory of Merchand Brothers, long-time independent mechanics in White River Junction, Vt. Related products SPM 60749 gasket $1.00 Add to cart Mopar 52030389AB gas cap $10.50 Add to cart SPM 60715 gasket $1.00 Add to cart SPM 60658 gasket $1.00 Add to cart