ARMY TM 9-2815-259-24 AIR FORCE TO 38G1-125-2 MARINE CORPS TM 09249A/09246A-24 H-1 APPENDIX H MANDATORY REPLACEMENT PARTS SECTION I.  INTRODUCTION H.1 SCOPE.  Section II of this appendix list parts that must be replaced if removed during maintenance. SECTION II.  MANDATORY REPLACEMENT PARTS TABLE H-1.  MANDATORY REPLACEMENT PARTS PART NO.     PART NAME QTY.     REMARKS R123501 GASKET 1 ENGINE OIL COOLER R123572 GASKET 1 TURBOCHARGER R123352 GASKET 1 ENGINE OIL PAN R123525 GASKET 1 OIL FILTER HEAD R123502 GASKET 1 ENGINE OIL COOLER R123542 GASKET 1 ROCKER ARM COVER R81275 GASKET 1 AIR INLET R90658 GASKET 4 EXHAUST MANIFOLD R123421 GASKET 1 TIMING GEAR COVER R136516 GASKET 1 (SUB FOR R123421 AND R134534) TIMING GEAR COVER R116515 GASKET 1 CYLINDER HEAD R135896 GASKET 1 (SUB FOR R121416) THERMOSTAT R136495 GASKET 2 (SUB FOR R116297) ENGINE OIL FILLER NECK R123417 GASKET 1 WATER PUMP R27149 O-RING 1 FLYWHEEL HOUSING T122075 O-RING 2 ENGINE OIL COOLER U13639 O-RING 2 CYLINDER BLOCK R26375 O-RING 2 THERMOSTAT R121424 O-RING 1 TIMING GEAR COVER R75892 O-RING 1 CYLINDER BLOCK R89944 O-RING 1 WATER PUMP R10093 O-RING 1 DIPSTICK