Ref Part QuantityNo. No. Description NA Turbo1 138153 GASKET SET / NON ASB (INCLUDES ITEMS # 2-21) 1 -138527 GASKET SET/ NON ASB. (INCLUDES ITEMS # 2-21) - 12 137965 GASKET / HEAD 1 13 425-34745 O-RING 1A 1 -138127 O-RING 1A 1 1425-34763 O-RING 1A 1 14 138033 GASKET 1 15 137954 SEAL / VALVE STEM 8 86 137942 PROTECTOR / NOZZLE 4 47 425-34796 SEAT 4 48 137979 GASKET 1 19 137987 GASKET 1 110 137993 GASKET / INTAKE 1 111 138045 GASKET / AIR HEATER 1 1138046 GASKET / AIR HEATER 1 112 137995 GASKET / EXHAUST 1 113 138104 GASKET / MUFFLER 1 1138082 GASKET 1 -138079 GASKET 1 114 138023 GASKET 1 115 138030 GASKET 1 116 137963 GASKET 1 117 425-34750 SEAL WASHER 8 3 3425-35959 SEAL WASHER 12 4 4138112 SEAL WASHER 14 4 418 425-34837 GASKET 10 4 6425-34707 GASKET 16 1 2138088 GASKET 10 1 119 138100 O-RING P20 1 1138101 O-RINGP14 1 1138125 O-RING 1A 1 1425-34776 O-RING 1A 4 4138126 O-RING 4C 1 1425-34827 O-RING 1A 1 120 138091 HONE / FLEX 1 121 138154 GASKET / LIQUID 1 122 138488 GASKET/TURBO OUT - 1138489 GASKET/TURBO IN - 1PRINTED IN USA 42 908293/AP1001GASKET SET