Baldwin Filter BK6657 Service Kit for Mack Service Kit for Mack Contains: [2] B7225 F-F Lube [1] BC7242 B-P Lube [1] BF7656 Pri. Fuel [1] BF7657 Sec. Fuel Fits: Mack ASET=IEGR Engine Replaces: Mack 57GC2234