Genuine GM Parts 12731949 - LT6 Longblock Service Engine

YH07-67 5.5 (LT6), 8-SPD AUTO TRANS * (FOR CATASTROPHIC ENG FAILURE: REF TSB 22-NA-074)(REPL ENG OIL COOLER & COOLER LINES AS REQUESTED)(SERV ENG "DOES NOT" COME W/OIL TANK.)(SERV ENG "DOES NOT" COME W/OIL TANK. ORDER IF REQUIRED) YH07-67 5.5 (LT6), 8-SPD AUTO TRANS (EXC CUSTOMER ENGINE BUILD PROGRAM(PBC) * (FOR CATASTROPHIC ENG FAILURE: REF TSB 22-NA-074)(REPL ENG OIL COOLER & COOLER LINES AS REQUESTED)(SERV ENG "DOES NOT" COME W/OIL TANK.)(SERV ENG "DOES NOT" COME W/OIL TANK. ORDER IF REQUIRED)