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Parts Manual - Komatsu D31EX-21A (US) Bulldozer Sn 50501-up (Overseas Version)

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1103-Z11-1520HOSE1505012113-Y79-3140PLUG150501311Y-09-11160CLIP250501-

D31EX-21AS/N50501-UP(OverseasVersion) HEATER(PIPING)

111Y-979-5522HOSE,BLACK-WHITE15050108017-32227CONDUIT15050108017-32803CONDUIT15050108024-21920TAPE15050108024-91920TAPE,BLACK150501211Y-979-5553HOSE,BLACK-YELLOW15050108017-32220CONDUIT15050108024-11920TAPE,RED15050108024-41920TAPE15050108024-91920TAPE,BLACK15050108034-20414BAND250501309483-30450HOSE350501409484-00450CONNECTOR350501511Y-09-11160CLIP9505016155-06-15180CLAMP250501701010-81020BOLT550501801643-31032WASHER550501904434-52711CLIP2505011008034-00519BAND1505011111Y-979-5750CLIP15050111Y-979-5760SHEET(BONDED)1505011209482-50000VALVE1505011311Y-01-21350ELBOW150501146732-11-6130ADAPTER150501-

S/N50501-UP(OverseasVersion)

D31EX-21AS/N50501-UP(OverseasVersion) AIRCONDITIONER(COMPRESSOR)

1(11Y-979-5450)AIRCOMPRESSORA.,(SEEFIG.Y1979-01A0A)150749(20Y-979-3110)AIRCOMPRESSORA.,(SEEFIG.Y1979-01A0)150501-50748 204120-21743V-BELT1505013124-911-1314BRACKET150501414X-911-8331BLOCK150501501010-81230BOLT250501601643-31232WASHER250501701010-81260BOLT250501801643-31232WASHER250501901016-51090BOLT1505011001580-11008NUT1505011101010-80890BOLT3505011201643-30823WASHER3505011311Y-979-5522HOSE,BLACK-WHITE15050108017-32227CONDUIT15050108017-32803CONDUIT15050108024-21920TAPE15050108024-91920TAPE,BLACK1505011411Y-979-5553HOSE,BLACK-YELLOW15050108017-32220CONDUIT15050108024-11920TAPE,RED15050108024-41920TAPE15050108024-91920TAPE,BLACK15050108034-20414BAND2505011511Y-979-5622HOSE15050120Y-979-3150O-RING25050108017-31509CONDUIT15050108024-31920TAPE1505011611Y-979-5662HOSE150501-

ItemPartNo.

PartName

1620Y-979-3150O-RING25050108017-31516CONDUIT15050108024-21920TAPE1505011711Y-979-5673HOSE15050120Y-979-3140O-RING25050108017-31931CONDUIT15050108024-51920TAPE15050108034-20414BAND2505011811Y-979-5712HOSE15050120Y-979-3130O-RING25050108017-32223CONDUIT15050108024-21920TAPE15050108034-20414BAND1505011909483-30450HOSE3505012009484-00450CONNECTOR2505012111Y-09-11160CLIP9505012211Y-979-5740CONNECTOR1505012309482-50000VALVE1505012411Y-01-21350ELBOW150501256732-11-6130ADAPTER1505012621K-03-11190CLIP5505012701010-81016BOLT5505012801643-31032WASHER5505012904434-51910CLIP1505013004434-51510CLIP1505013104434-52511CLIP1505013204435-52210CLIP2505013301010-81016BOLT4505013401643-31032WASHER4505013511Y-979-5750CLIP1505013611Y-979-5181COVER1505013701010-80825BOLT1505013801643-30823WASHER150501-

Reference:B0710-01A0Page:030130

111Y-12-11110COUPLING150501211Y-12-11130BOLT850501311Y-12-11120COVER150501401010-81030BOLT1250501501643-31032WASHER1250501607043-00211PLUG250501-

D31EX-21AS/N50501-UP(OverseasVersion) ENGINEMOUNTINGPARTS

1124-01-51450CUSHION8505012113-01-21120WASHER850501301011-81620BOLT4505014114-01-48111SUPPORT1505015114-01-48121SUPPORT150501601010-81235BOLT650501701643-31232WASHER650501811Y-01-11121BRACKET150501911Y-01-11131BRACKET1505011001010-81250BOLT8505011101643-31232WASHER8505011211Y-01-21231BRACKET15068811Y-01-11231PLATE150501-50687 1301010-81025BOLT2505011401643-31032WASHER2505011511Y-06-11250CABLE1505011601010-81020BOLT1505011701643-31032WASHER1505011801010-81220BOLT1505011901643-31232WASHER150501-

D31EX-21AS/N50501-UP(OverseasVersion) PRE-CLEANER(INNERPARTS)

ItemPartNo.PartNameQtySerialNo. 600-181-2630PRE-CLEANERASS'Y15050116672-82-7550COVERASS'Y1505012600-181-2130BODY15050136672-82-7510SLEEVEASS'Y15050146110-83-7590TRAP150501-

D31EX-21AS/N50501-UP(OverseasVersion)

ENGINERELATEDPARTS(EXCEPTJAPAN)

11Y-01-12100BRACKETASS'Y150501111Y-01-11430

PLATE150501211Y-01-11440

PLATE150501311Y-01-12210

BRACKET150501411Y-01-12260BRACKET150501511Y-01-12270PLATE150501601010-E1225BOLT450501701010-E1240BOLT250501801643-31232WASHER650501901010-81235BOLT6505011001643-31232WASHER6505011111Y-01-12130BRACKET1505011201010-81265BOLT2505011301643-31232WASHER2505011401010-81235BOLT2505011501643-31232WASHER2505011611Y-01-12350BRACKET1505011701010-81235BOLT2505011801643-31232WASHER2505011901010-81065BOLT3505012001643-31032WASHER35050121205-00-72430RIVET2505012211Y-01-11163BRACKET1505012301010-81030BOLT4505012401643-31032WASHER4505012501010-E1030BOLT2505012601643-31032WASHER2505012711Y-01-11172BRACKET1505012801010-E1040BOLT250501-

ENGINERELATEDPARTS

ItemPartNo.PartNameQtySerialNo. 2901643-31032WASHER2505013001010-81030BOLT2505013101643-31032WASHER2505013204434-51810CLIP1505013307095-20213CUSHION1505013401010-81016BOLT1505013501643-31032WASHER1505013611Y-01-11280SPACER1505013711Y-01-12140BRACKET150501BRACKET150501124-01-51A10SEAT2505013801010-81230BOLT2505013901643-31232WASHER2505014001010-81245BOLT1505014101643-31232WASHER1505014211Y-01-12220BRACKET1505014311Y-01-11222HOSE1505014407289-00070CLAMP2505014511Y-01-11292PIPE1505014601010-81030BOLT2505014701643-31032WASHER250501486737-81-8220BRACKET1505014901435-01016BOLT250501506737-81-8241COVER150501516201-81-6560SPACER2505015201435-00820BOLT250501536737-81-8251COVER1505015401435-00820BOLT250501556201-81-6560SPACER250501-

D31EX-21AS/N50501-UP(OverseasVersion) SPAREPARTS

ItemPartNo.PartName

16732-11-8181GASKET45050126732-11-8210GASKET45050136733-51-5142CARTRIDGE15050146732-71-6112CARTRIDGE15050156737-61-3920V-BELT150501607005-02216SEAL,WASHER25050176732-11-4811GASKET150501-

111Y-01-11184BRACKET150501201010-81035BOLT450501301643-31032WASHER4505016732-61-8300HEADASS'Y1505014600-411-2410HEAD1505015600-411-2120VALVEASS'Y2505016600-411-2130GASKET2505017600-411-1151CARTRIDGE15050186204-73-5750JOINT250501907206-31014BOLT2505011007005-01412SEAL,WASHER4505011107260-20925HOSE2505011211Y-09-11140CLIP4505011301010-81035BOLT2505011401643-31032WASHER250501-

ItemPartNo.Part

D31EX-21AS/N50501-UP(OverseasVersion) FUELLIFTPUMP

16737-81-4110PUMP150501211Y-06-21180WIRINGHARNESS15050121J-06-13661DIODE1505013103-21-21260BOSS150501408193-20010CLIP150501508034-20519BAND150501601010-81030BOLT150501701643-31032WASHER150501-

D31EX-21AS/N50501-UP(OverseasVersion) MUFFLER

ItemPartNo.PartNameQtySerialNo. 16732-81-8220CLAMP15050126207-11-5380RING1505013124-01-51350ADAPTER150501411Y-01-11211PIPE15050156207-11-5921CLAMP15050166207-11-5850PLATE150501701435-01235BOLT250501811Y-01-11471MUFFLER15050196737-11-5810COVER1505011007281-02709CLAMP4505011111Y-01-11460COVER1505011201010-E1225BOLT4505011301643-31232WASHER45050114124-01-51360EXHAUSTPIPE150501156737-11-5520TUBE150501166737-11-5531TUBE1505011701435-00812BOLT1505011801435-00816BOLT150501-

D31EX-21AS/N50501-UP(OverseasVersion) PRE-CLEANERANDAIR

1(600-181-2630)PRE-CLEANERASS'Y150501208671-10060HOSE150501301010-80616BOLT250501401643-30623WASHER250501511Y-01-11911BRACKET150501601010-81025BOLT250501701643-31032WASHER250501811Y-01-11920JOINT150501904434-51410CLIP1505011001010-81025BOLT1505011101643-31032WASHER150501-

108671-10060HOSE150501201010-80616BOLT250501301643-30623WASHER250501411Y-01-11911BRACKET150501501010-81025BOLT250501601643-31032WASHER250501711Y-01-11920JOINT150501804434-51410CLIP150501901010-81025BOLT1505011001643-31032WASHER150501-

D31EX-21AS/N50501-UP(OverseasVersion) AFTERCOOLER(AIRTOAIR)

111Y-01-11333HOSE15068811Y-01-11332HOSE150501-50687 26162-14-4750CLAMP150501307299-00095CLAMP15050146737-11-4810HOSE150501507299-00055CLAMP150501607299-00070CLAMP150501711Y-01-21241BRACKET15068811Y-01-11242BRACKET150501-50687 801010-81285BOLT250501901643-31232WASHER250501106737-11-4720TUBE1505011111Y-01-21640CLAMP1505011201010-81030BOLT1505011301643-31032WASHER150501146737-11-4820HOSE1505011507299-00070CLAMP250501166737-11-4830HOSE1505011707299-00070CLAMP250501186737-11-4750TUBE150501196737-11-4840HOSE1505012007299-00070CLAMP2505012111Y-01-12190BRACKET1505012201010-81265BOLT3505012301643-31232WASHER35050124195-33-11220SPACER3505012511Y-01-11642CLAMP1505012601010-81035BOLT1505012701643-31032WASHER150501-

Item

D31EX-21AS/N50501-UP(OverseasVersion) RESERVETANK

1114-03-51510TANKASS'Y150501417-03-21360CAP150501211Y-03-11293BRACKET150501301010-81025BOLT250501401643-31032WASHER2505015114-03-51490CLAMP150501601010-80825BOLT150501701643-30823WASHER150501811Y-03-11590HOSE150501907285-00115CLIP25050110134-03-61410BAND250501-

D31EX-21AS/N50501-UP(OverseasVersion) COOLING(MOUNT)

111Y-03-11270RUBBER4505012113-03-21170SPACER2505013113-03-21180PLATE250501401010-81065BOLT250501501643-31032WASHER250501611Y-03-12140BRACKET150501701010-81030BOLT450501801643-31032WASHER4505019135-03-12110DAMPER1505011001010-81035BOLT1505011101643-31032WASHER2505011201010-81460BOLT1505011301643-31445WASHER1505011411Y-03-11270RUBBER45050115113-03-21170SPACER25050116113-03-21180PLATE2505011701010-81065BOLT2505011801643-31032WASHER2505011911Y-03-12150BRACKET1505012001010-81040BOLT4505012101643-31032WASHER45050122135-03-12110DAMPER2505012301010-81035BOLT2505012401643-31032WASHER4505012501010-81460BOLT2505012601643-31445WASHER250501-

D31EX-21AS/N50501-UP(OverseasVersion) COOLING(PIPING)

111Y-03-11171HOSE150501211Y-03-12130HOSE150501307289-00055CLAMP150501407289-00045CLAMP150501507289-00070CLAMP150501607289-00055CLAMP1505017196-916-1590CLIP150501801010-81020BOLT150501901643-31032WASHER1505011011Y-62-17161TUBE1505011102896-11018O-RING2505011211Y-62-17290PLATE1505011301010-81020BOLT2505011401643-31032WASHER2505011511Y-62-17181HOSE,750MM1505011607000-13025O-RING1505011701010-81030BOLT2505011801643-31032WASHER250501-

D31EX-21AS/N50501-UP(OverseasVersion) COOLING(COVER)

111Y-03-11331SHEET150501211Y-03-12350SHEET250501311Y-03-21580SHEET250501411Y-03-12231PLATE150501501010-81020BOLT250501601643-31032WASHER250501711Y-03-22240PLATE150501801010-81020BOLT250501901643-31032WASHER2505011011Y-03-11380PLATE1505011101010-81020BOLT1505011201643-31032WASHER1505011311Y-03-11411PLATE1505011401010-81020BOLT2505011501643-31032WASHER2505011611Y-03-21420PLATE1505011701010-81035BOLT2505011801643-31032WASHER2505011911Y-03-21430COVER1505012001010-81020BOLT2505012101643-31032WASHER2505012211Y-03-11441PLATE1505012301010-81020BOLT2505012401643-31032WASHER2505012511Y-03-21450PLATE1505012601010-81020BOLT2505012701643-31032WASHER2505012811Y-03-21470SHEET2505012911Y-03-11482SHEET150501-

Item

3011Y-03-11492SHEET1505013111Y-03-11512SHEET1505013211Y-03-11520SHEET1505013311Y-03-11531SHEET1505013411Y-03-11541SHEET1505013511Y-03-11551SHEET1505013611Y-03-21560COVER1505013701010-81020BOLT2505013801643-31032WASHER250501-

Reference:C0100-02A0Page:060020

D31EX-21AS/N50501-UP(OverseasVersion) COOLING(RADIATORANDOILCOOLER)

111Y-03-12110RADIATORCOREASS'Y150501220U-03-21540CAP150501307730-50004VALVE150501411Y-03-12211SHEET450501507285-00180CLIP150501607286-01425HOSE150501711Y-03-12312OILCOOLER15050186737-61-4100AFTERCOOLERASS'Y150501911Y-03-11243COREGRID1505011001011-81015BOLT2505011101011-81000BOLT1505011201643-31032WASHER3505011311Y-03-11251SPACER2505011401011-81015BOLT25050115415-64-13120WASHER2505011611Y-03-21120SHROUD1505011701010-81020BOLT5505011801643-31032WASHER5505011911Y-03-11142WIRENET1505012011Y-03-11152WIRENET1505012101010-81030BOLT7505012201643-31032WASHER750501-

D31EX-21AS/N50501-UP(OverseasVersion)

D31EX-21AS/N50501-UP(OverseasVersion) FUELLINE(WITHFUELPUMP)

111Y-09-11140CLIP250501211Y-09-11140CLIP250501307285-00085CLIP2505014427-04-11130PLATE150501504434-52210CLIP250501604435-52210CLIP6505017234-885-3660CLIP150501801010-81020BOLT850501901010-81025BOLT1505011001643-31032WASHER9505011111Y-04-11251HOSE1505011211Y-09-11140CLIP1505011311Y-09-11150CLIP1505011401643-30623WASHER2505011501010-80630BOLT2505011611Y-09-11120CLIP2505011711Y-04-11211HOSEASS'Y1505011811Y-04-11221HOSEASS'Y1505011911Y-04-11231HOSEASS'Y1505012011Y-04-11241HOSEASS'Y150501-

D31EX-21AS/N50501-UP(OverseasVersion) FUELLINE

111Y-09-11140CLIP250501211Y-09-11140CLIP250501307285-00085CLIP2505014427-04-11130PLATE150501504434-52210CLIP650501604435-52210CLIP2505017419-09-11150CLIP150501801010-81020BOLT850501901010-81025BOLT1505011001643-31032WASHER9505011111Y-04-11211HOSEASS'Y1505011211Y-04-11221HOSEASS'Y1505011311Y-04-11231HOSEASS'Y150501-

D31EX-21AS/N50501-UP(OverseasVersion) FUELTANK

111Y-04-21171TANK15050122U-04-21250FILTER150501211Y-06-11351SENSOR150501301023-60512SCREW5505014134-04-71180CAP150501511Y-04-11330STRAINER15050166204-73-5750JOINT150501707206-31014BOLT150501807005-01412SEAL,WASHER250501911Y-04-11120HOSEASS'Y1505011011Y-09-11140CLIP2505011111Y-04-11130NIPPLE1505011201010-81020BOLT1505011301643-31032WASHER1505011407270-01030TUBE1505011507285-00125CLIP1505011607700-40240VALVE15050117205-04-62130ELBOW150501-

D31EX-21AS/N50501-UP(OverseasVersion) WATERSEPARATOR(WITHFUELPUMP)

122U-04-21131WATERSEPARATOR150501207000-11006O-RING150501307000-11007O-RING150501407000-12065O-RING150501522U-04-21260ELEMENT150501622U-04-21330O-RING15050176144-71-5750JOINT150501807206-31014BOLT250501907005-01412SEAL,WASHER45050110205-04-62140JOINT1505011107700-40240VALVE15050112120-04-41130NIPPLE1505011311Y-04-11141HOSEASS'Y1505011411Y-09-11140CLIP2505011507270-00640TUBE1505011607285-00068CLIP1505011711Y-04-11150TEE1505011807700-40240VALVE15050119205-04-62140JOINT1505012007206-31014BOLT1505012107005-01412SEAL,WASHER2505012201010-81025BOLT2505012301643-81032WASHER2505012408034-20414BAND1505012501010-81645BOLT4505012601643-31645WASHER450501-

D31EX-21AS/N50501-UP(OverseasVersion) WATERSEPARATOR

122U-04-21131WATERSEPARATOR150501207000-11006O-RING150501307000-11007O-RING150501407000-12065O-RING150501522U-04-21260ELEMENT150501622U-04-21330O-RING15050176144-71-5750JOINT150501807206-31014BOLT250501907005-01412SEAL,WASHER45050110205-04-62140JOINT1505011107700-40240VALVE15050112120-04-41130NIPPLE1505011311Y-04-11160HOSEASS'Y1505011411Y-09-11140CLIP2505011507270-00640TUBE1505011607285-00068CLIP150501176204-73-5750JOINT1505011807206-31014BOLT1505011907005-01412SEAL,WASHER2505012001010-81025BOLT2505012101643-81032WASHER2505012208034-20414BAND1505012301010-81645BOLT4505012401643-31645WASHER450501-

111Y-06-11650BUZZER150501211Y-06-21661BRACKET150501301010-81020BOLT350501401643-31032WASHER350501-

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Parts Manual - Komatsu D31EX-21A (US) Bulldozer Sn 50501-up (Overseas Version) by Heavy Equipment Manual - Issuu