Buy 1996 Mazda Millenia Engine Core Plug. OIL, FILTER, PUMP - OEM Mazda Part # 9WR043000 (9WR023000, 9WR0-23-000, 9WR0-43-000, 9WR043000,, USE9WR043000)

Location-Side of Block. Location-Top of Head. Plug that prevents the engine Block or cylinder Head from cracking in case of freezing coolant. Also used to Plug the casting holes from production. Engine Core Plug. Engine Expansion Plug. Engine Freeze Plug. Engine Welch Plug. Plug, HexAGON Socket.