Komatsu SK1020-5 USA S/N 37CF00004-UP Book Parts



sk1020a / + - .
_ _  №  Number Qty Name Options
    A-0000    

ENGINE

 
    B-0000    

ENGINE RELATED PARTS AND ELECTRICAL SYSTEM

 
    C-0000    

FRAME

 
    D-0000    

CONTROL SYSTEM

 
    E-0000    

GUARD AND OPERATOR'S CAB

 
    F-0000    

WORK EQUIPMENT CONTROL SYSTEM

 
    G-0000    

WORK EQUIPMENT

 
    H-0000    

MARK PLATE

 
 
 
 
 
sk1020a / 0101 + - .
SK1020A B36000 0

You can buy parts: .

As an associate, we earn commssions on qualifying purchases through the links below
$745.00

23 Jul 2025
66.2[29.79] pounds
FridayParts 16 Valves Complete Cylinder Head Assembly YM129907-11700 YM129907-07900 YM12990707900 YM12990711700 Compatible for Komatsu Engine 4D94LE Excavator PC75R-2 PW75R-2 Replacement
$65.10

24 Mar 2020
For Komatsu Crawler Tractor D20A-8 D20P-8 D20P-8 D21P-8 Yanmar Engine 4TNV94L Komatsu Engine 4D94LE Intake Valve Seat 8 Units 1 Set YM124160-11340
$65.10

24 Mar 2020
For Komatsu Loader SK1020-5 SK1020-5N SK1026-5 SK1026-5N Yanmar Engine 4TNV98T Komatsu Engine S4D98E Intake Valve Seat YM124160-11340
$65.10

24 Mar 2020
For Yanmar Engine 4TNV98T Komatsu Engine S4D98E Intake Valve Seat 8 Units 1 Set YM124160-11340
$65.10

24 Mar 2020
For Yanmar Engine 4TNV98T Komatsu Engine S4D98E Exhaust Valve Seat 8 Units 1 Set YM124950-11340
$74.87

24 Mar 2020
For Komatsu Crawler Dozer D21A-8-W D21P-8-W Yanmar Engine 4TNV94L Komatsu Engine 4D94LE Exhaust Valve Seat 8 Units 1 Set YM124950-11340
$74.87

24 Mar 2020
For Komatsu Loader SK1020-5 SK1020-5N SK1026-5 SK1026-5N Yanmar Engine 4TNV98T Komatsu Engine S4D98E Exhaust Valve Seat YM124950-11340
$6.44

05 Jun 2025
Tank Cap YM124160-01751 Compatible with Komatsu 3D84 4D84 4D88 4D94 4D98 4D106 PC15R-8 Excavator Parts
_ _  №  Number Qty Name Options
    \0   37C-01-11101   ENGINE, ASSY. ENSN: 00172-  
    1   YM129900-07900   LIFTER ENSN: 00172-  
    2   YM26106-080162   BOLT ENSN: 00172-  
    3   YM123907-11550   CAP VALVE ENSN: 00172-  
    4   YM129907-11700   HEAD,ASSY. ENSN: 00172-  
    8   YM129908-11160   16  GUIDE VALVE ENSN: 00172-  
    9   YM123907-11820   STUD ENSN: 00172-  
    10   YM23876-020000   PLUG ENSN: 00172-  
    11   YM23876-030000   PLUG ENSN: 00172-  
    12   YM27241-400000   PLUG ENSN: 00172-  
    13   YM129907-11100   VALVE, SUCTION ENSN: 00172-  
    14   YM129907-11110   VALVE EXHAUST ENSN: 00172-  
    15   YM129907-11120   16  SPRING, VALVE ENSN: 00172-  
    16   YM119620-11180   16  RETAINER, SPRING ENSN: 00172-  
    17   YM124160-11340   SEAL, VALVE STEM ENSN: 00172-  
    18   YM124950-11340   SEAL, VALVE EXHAUST ENSN: 00172-  
    19   YM129907-11510   BRACKET ENSN: 00172-  
    21   YM129150-11750   NUT ENSN: 00172-  
    22   YM123907-11830   SCREW ENSN: 00172-  
    23   YM27310-070001   16  COTTER ENSN: 00172-  
    25   YM119625-11870   PROTECTION, NOZZLE ENSN: 00172-  
    26   YM119625-11880   SEAT, NOZZLE ENSN: 00172-  
    27   YM24311-000120   O-RING ENSN: 00172-  
    28   YM119593-11300   STUD ENSN: 00172-  
    29   YM129907-11340   SUPPORT ENSN: 00172-  
    30   YM129907-11250   SHAFT ENSN: 00172-  
    31   YM129907-11260   SUPPORT ENSN: 00172-  
    32   YM129907-11270   SUPPORT ENSN: 00172-  
    33   YM123907-11280   WASHER ENSN: 00172-  
    34   YM129907-11650   ROCKER SHAFT ENSN: 00172-  
    36   YM129150-11230   SCREW ENSN: 00172-  
    37   YM129150-11750   NUT ENSN: 00172-  
    38   YM129907-11660   ROCKER SHAFT ENSN: 00172-  
    40   YM129150-11230   SCREW ENSN: 00172-  
    41   YM129150-11750   NUT ENSN: 00172-  
    42   YM129907-11900   RETAINER ENSN: 00172-  
    43   YM26226-080222   STUD ENSN: 00172-  
    44   YM26106-080402   BOLT ENSN: 00172-  
    45   YM26106-080602   BOLT ENSN: 00172-  
    46   YM26106-080602   BOLT ENSN: 00172-  
    47   YM26106-080652   BOLT PLATED ENSN: 00172-  
    48   YM26106-080752   BOLT ENSN: 00172-  
    49   YM26306-080002   NUT ENSN: 00172-  
    50   YM124160-01751   PLUG ENSN: 00172-  
    51   YM129907-11320   COVER ENSN: 00172-  
    52   YM129907-03010   PLATE ENSN: 00172-  
    53   YM129907-03060   DIAPHRAGM ENSN: 00172-  
    54   YM129907-03070   DIAPHRAGM ENSN: 00172-  
    55   YM123907-03100   DIAPHRAGM ENSN: 00172-  
    56   YM123907-03110   PLATE ENSN: 00172-  
    57   YM123907-03120   PLATE ENSN: 00172-  
    58   YM123907-03140   SPRING ENSN: 00172-  
    61   YM129907-11310   GASKET ENSN: 00172-  
    62   YM119640-61400   PLUG ENSN: 00172-  
    63   YM22857-500100   SCREW ENSN: 00172-  
    64   YM22857-500100   SCREW ENSN: 00172-  
    65   YM124160-11360   PLUG ENSN: 00172-  
    66   YM24311-000120   O-RING ENSN: 00172-  
    67   YM24311-000320   O-RING ENSN: 00172-  
 
 
 
 
sk1020a / 0131 + - .
SK1020A B36010 0

You can buy parts: .

As an associate, we earn commssions on qualifying purchases through the links below
$40.01

26 Jun 2025
1.5[0.68] pounds
NUEPWRFA 6001851310 6001851320 37A0111720 37A0111730 Z7602BX006 Z7602BX106 YM12906212560 YM11900512571 3EB0234750 3EB0234790 AIR FILTER KIT Compatible for KOMATSU CK 20-1 FD 30 T-17 WA 50-6
$25.52

19 Nov 2024
Generic Inner Air Filter For Komatsu Skid Steers - YM11900512571
$24.40

20 Oct 2023
Inner Air Filter For Komatsu Skid Steers | Replaces OEM # YM11900512571
$27.12

23 Sep 2024
Generic Engine Air Filter Outer for Komatsu Skid Steer - YM12906212560
$25.93

18 Oct 2023
Engine Air Filter Outer for Komatsu Skid Steer | Replaces OEM # YM12906212560
$26.83

04 Aug 2022
Aftermarket replacement for Engine Air Filter Outer for Komatsu Skid Steer Replaces OEM # YM12906212560
_ _  №  Number Qty Name Options
    \0   37C-01-11101   ENGINE, ASSY. ENSN: 00172-  
    1   YM129944-12100   MANIFOLD ENSN: 00172-  
    2   YM129907-12110   GASKET ENSN: 00172-  
    3   YM26106-080452   BOLT ENSN: 00172-  
    4   YM26106-080952   SCREW ENSN: 00172-  
    5   YM119129-77020   GASKET ENSN: 00172-  
    6   YM121850-77021   GASKET ENSN: 00172-  
    7   YM119005-77050   HEATER, AIR ENSN: 00172-  
    8   YM119129-77520   MANIFOLD ENSN: 00172-  
    9   YM26106-080402   BOLT ENSN: 00172-  
    10   YM26106-080902   BOLT ENSN: 00172-  
    11   YM129944-12220   PIPE, ASSY. ENSN: 00172-  
    11   YM129944-12221   PIPE, ASSY. ENSN: 00172-  
    12   YM129944-12610   SUPPORT ENSN: 00172-  
    12   YM129944-12620   SUPPORT ENSN: 00172-  
    13   YM121250-44590   CLAMP ENSN: 00172-  
    14   YM26106-080202   BOLT ENSN: 00172-  
    15   YM26013-080222   SCREW ENSN: 00172-  
    16   YM129944-12500   AIR FILTER, ASSY. ENSN: 00172-  
    18   YM119005-12571   AIR CLEANER ENSN: 00172-  
    19   YM129062-12560   SCREEN ENSN: 00172-  
    20   YM129900-12530   COVER, AIR CLEANER ENSN: 00172-  
    21   YM119808-12540   VALVE ENSN: 00172-  
    22   YM119140-12680   CLOGGING INDICATOR ENSN: 00172-  
    23   YM129612-12650   PLATE ENSN: 00172-  
          SEE FIG. 0101  
 
 
 
 
sk1020a / 0151 + - .
SK1020A B36020 0

You can buy parts: .

As an associate, we earn commssions on qualifying purchases through the links below
$301.00

14 Jul 2025
Exhaust Manifold YM129900-13200 for Komatsu 4D92E-1 4D94E-1 4D94LE-2 4D98E-1 Engine
$337.93

12 Jun 2025
Exhaust Manifold YM129900-13200 for Komatsu 4D92E-1 4D94E-1 4D94LE-2 4D98E-1 Engine
$321.84

25 Apr 2025
Exhaust Manifold YM129900-13200 for Komatsu 4D92E-1 4D94E-1 4D94LE-2 4D98E-1 Engine
$35.79

11 Aug 2025
Exhaust Manifold Gasket YM129400-13201 for Komatsu Engine 4D84 4D88E 4D92E 4D94E Excavator PC75R-2 PC95R-2 SK815-5 SK1020-5
$25.89

08 Jul 2025
Exhaust Manifold Gasket YM129400-13201 for Komatsu Engine 4D84 4D88E 4D92E 4D94E Excavator PC75R-2 PC95R-2 SK815-5 SK1020-5
_ _  №  Number Qty Name Options
    \0   37C-01-11101   ENGINE, ASSY. ENSN: 00172-  
    1   YM129900-13200   MANIFOLD, EXHAUST ENSN: 00172-  
    3   YM129900-13252   GASKET ENSN: 00172-  
    4   YM123900-13610   STUD ENSN: 00172-  
    5   YM123900-13630   BOLT ENSN: 00172-  
    6   YM119131-18320   STUD ENSN: 00172-  
    7   YM26306-080002   NUT ENSN: 00172-  
    8   YM129400-13201   GASKET ENSN: 00172-  
    9   YM129944-13510   MUFFLER ENSN: 00172-  
    10   YM129908-13650   SUPPORT ENSN: 00172-  
    11   YM129944-13650   SUPPORT ENSN: 00172-  
    12   YM26106-080162   BOLT ENSN: 00172-  
    13   YM26106-080162   BOLT ENSN: 00172-  
    14   YM26106-080202   BOLT ENSN: 00172-  
    15   YM26306-080002   NUT ENSN: 00172-  
    16   YM26306-080002   NUT ENSN: 00172-  
    17   YM121120-13590   CLAMP ENSN: 00172-  
    18   YM121120-13580   CLAMP ENSN: 00172-  
    19   YM22137-100000   WASHER ENSN: 00172-  
    20   YM22217-100000   SPRING WASHER ENSN: 00172-  
    21   YM26106-100652   BOLT ENSN: 00172-  
    22   YM26706-100002   NUT ENSN: 00172-  
          SEE FIG. 0101  
 
 
 
 
sk1020a / 0201 + - .
SK1020A B35970 0

You can buy parts: .

As an associate, we earn commssions on qualifying purchases through the links below
$23.31

06 Jul 2025
Camshaft Bearing YM129900-02410 for Komatsu Engine 4D92E-1 4D98E-1
$5.61

06 Aug 2025
Hacus FPE - Forklift T/Washer STD 2.6 2.7 3.3L Komatsu YM129900-02930 Hacus Aftermarket - New
$13.91

17 Jul 2025
0.1[0.05] Pounds
Hacus FPE - HACUS New Forklift T/Washer STD 2.6 2.7 3.3L Replacement Part for Komatsu YM129900-02930
$6.41

27 Jun 2025
Hacus FPE - Forklift T/Washer STD 2.6 2.7 3.3L Komatsu YM129900-02930 Hacus Aftermarket - New
$139.99

04 Nov 2023
3.6[1.62] pounds
Manioiity 18 PCS Cylinder Head Bolt YM129900-01200 YM12990001200 Compatible with Yanmar Engine 4TNE98 4TNE94 4TNV94 4TNV94L 4TNV98T Compatible with Komatsu Backhoe Loader WB70A Excavator PC75 PC75R

04 Nov 2023
3.6[1.62] pounds
Manioiity 18 PCS Cylinder Head Bolt YM129900-01200 YM12990001200 Compatible with Yanmar Engine 4TNE98 4TNE94 4TNV94 4TNV94L 4TNV98T Compatible with Komatsu Backhoe Loader WB70A Excavator PC75 PC75R
_ _  №  Number Qty Name Options
    \0   37C-01-11101   ENGINE, ASSY. ENSN: 00172-  
    1   YM729907-01560   CYLINDER BLOCK ENSN: 00172-  
    5   YM129900-01250   PLUG ENSN: 00172-  
    6   YM171051-01921   PLUG ENSN: 00172-  
    7   YM129900-02020   10  BOLT ENSN: 00172-  
    10   YM129900-02410   BUSH, CAMSHAFT ENSN: 00172-  
    11   YM22351-060012   SPRING PIN ENSN: 00172-  
    12   YM23876-030000   PLUG ENSN: 00172-  
    13   YM23876-030000   PLUG ENSN: 00172-  
    14   YM23876-030000   PLUG ENSN: 00172-  
    15   YM27241-300000   PLUG ENSN: 00172-  
    16   YM129900-02800   MAIN BEARING ENSN: 00172-  
    16   YM129900-02340   BEARING (--0.25 mm) ENSN: 00172-  
    25   YM129900-02930   BEARING, THRUST ENSN: 00172-  
    25   YM129900-02940   BEARING, THRUST (+0.25 mm) ENSN: 00172-  
    28   YM129900-01200   18  SCREW ENSN: 00172-  
    29   YM129907-01330   GASKET ENSN: 00172-  
    30   YM129907-01190   SPACER ENSN: 00172-  
 
 
 
 
sk1020a / 0205 + - .
SK1020A B35980 0

You can buy parts: .

As an associate, we earn commssions on qualifying purchases through the links below
$77.81

27 Aug 2025
Threetrees Oil Pump Ym129907-32009 for Komatsu Ck20-1 Ck25-1 Sk1020-5 Wb70A-1 Engine 4D94Le
$69.80

23 Aug 2025
Oil Pump YM129907-32009 for Komatsu Engine 4D94LE-2 Dozer D21A-8E0 D21P-8E0 Loader CK20-1 CK25-1 SK1020-5 WB70A-1
$60.00

20 Aug 2025
Oil Pump YM129907-32009 for Komatsu Engine 4D94LE-2 Dozer D21A-8E0 D21P-8E0 Loader CK20-1 CK25-1 SK1020-5 WB70A-1
$1.61

26 Dec 2020
O-RING FOR KOMATSU: YM129900-32040
$6.44

05 Jun 2025
Tank Cap YM124160-01751 Compatible with Komatsu 3D84 4D84 4D88 4D94 4D98 4D106 PC15R-8 Excavator Parts
$97.88

09 Jul 2022
GASKET - RTV FOR KOMATSU: YM977770-01212
$120.39

24 Mar 2020
GASKET - RTV FOR KOMATSU: YM97777-001212
$98.56

24 Mar 2020
GASKET - RTV FOR KOMATSU: YM977770-01212
_ _  №  Number Qty Name Options
    \0   37C-01-11101   ENGINE, ASSY. ENSN: 00172-  
    1   YM729907-01550   HOUSING ASSY., GEAR ENSN: 00172-  
    4   YM129900-01780   SEAL, OIL ENSN: 00172-  
    5   YM129100-01580   PEG ENSN: 00172-  
    6   YM129900-01740   COVER ENSN: 00172-  
    8   YM129907-01500   GEAR CASE ENSN: 00172-  
    10   YM121850-01900   STUD ENSN: 00172-  
    11   YM129907-32009   PUMP ENSN: 00172-  
    12   YM129900-32030   O-RING ENSN: 00172-  
    13   YM129900-32040   O-RING ENSN: 00172-  
    14   YM129001-91810   SCREW ENSN: 00172-  
    15   YM129001-91810   SCREW ENSN: 00172-  
    16   YM24311-000070   O-RING ENSN: 00172-  
    17   YM24351-030750   O-RING ENSN: 00172-  
    18   YM26106-080162   BOLT ENSN: 00172-  
    19   YM26106-080162   BOLT ENSN: 00172-  
    20   YM26106-080202   BOLT ENSN: 00172-  
    21   YM26106-080402   BOLT ENSN: 00172-  
    22   YM26106-080402   BOLT ENSN: 00172-  
    23   YM26106-080452   BOLT ENSN: 00172-  
    24   YM26306-100002   NUT ENSN: 00172-  
    25   YM124160-01751   PLUG ENSN: 00172-  
    26   YM119225-11740   UNION ENSN: 00172-  
    27   YM171031-11741   PIPE ENSN: 00172-  
    28   YM119225-11750   NUT ENSN: 00172-  
    29   YM24311-000300   O-RING ENSN: 00172-  
    30   YM24311-000320   O-RING ENSN: 00172-  
    31   YM124240-01871   COVER ENSN: 00172-  
    32   YM124240-01883   GASKET ENSN: 00172-  
    33   YM26106-080162   BOLT ENSN: 00172-  
    34   YM129900-01850   COVER ENSN: 00172-  
    35   YM129900-01870   RUBBER ENSN: 00172-  
    36   YM26106-080162   BOLT ENSN: 00172-  
    37   YM977770-01212   GASKET, LIQUID ENSN: 00172-  
    38   YM24311-000320   O-RING ENSN: 00172-  
          SEE FIG. 0201  
 
 
 
 
sk1020a / A-0000 + - .
_ _  №  Number Qty Name Options
    1     CYLINDER HEAD  
    2     SUCTION MANIFOLD - AIR CLEANER  
    3     EXHAUST MANIFOLD AND SILENCER  
    4     CYLINDER BLOCK  
    5     GEAR HOUSING  
    6     FLYWHEEL - LUBRICATING OIL SUMP  
    7     CAMSHAFT AND DRIVING GEAR  
    8     CRANKSHAFT AND PISTON  
    9     LUBRICATING OIL PUMP  
    10     FUEL PIPING  
    11     FUEL INJECTION LINE  
    12     FUEL INJECTION PUMP  
    13     COOLING WATER SYSTEM  
    14     GENERATOR  
    15     STARTER MOTOR  
    16     GASKET SET  
 
 
 
 
sk1020a / B-0000 + - .
_ _  №  Number Qty Name Options
    1     ENGINE MOUNTING PARTS  
    2     POWER TAKE OFF  
    3     AIR SUCTION - MUFFLER  
    4     HEXHAUST CATALYZER  
    5     RADIATOR (1/2)  
    6     RADIATOR (2/2)  
    7     FUEL TANK  
    8     FUEL PIPING  
    9     BATTERY  
    10     DASHBOARD  
    11     ELECTRICAL SYSTEM (BATTERY DISCONNECTING SWITCH)  
    12     ELECTRICAL SYSTEM (1/4)  
    13     ELECTRICAL SYSTEM (2/4)  
    14     ELECTRICAL SYSTEM (3/4)  
    15     ELECTRICAL SYSTEM (4/4)  
    16     ELECTRICAL SYSTEM (COLD WEATHER) (OPTIONAL)  
 
 
 
 
sk1020a / C-0000 + - .
_ _  №  Number Qty Name Options
    1     FRAME  
    2     REAR PLATE  
    3     TRANSMISSION  
    4     FRONT DRIVE SHAFT  
    5     REAR DRIVE SHAFT  
    6     WHEELS  
    7     WHEELS (12x16.5) (OPTIONAL)  
    8     WHEELS (33x15.5-16.5)  
    9     WHEELS (OPTIONAL)  
    10     MUDGUARD  
 
 
 
 
sk1020a / D-0000 + - .
_ _  №  Number Qty Name Options
    1     FUEL CONTROL LEVER  
    2     FUEL CONTROL PEDAL (OPTIONAL)  
    3     SAFETY BARS  
    4     ATTACHMENT CONTROL PEDAL  
 
 
 
 
sk1020a / E-0000 + - .
_ _  №  Number Qty Name Options
    1     ENGINE HOOD  
    2     FIXED HOOD  
    3     REAR DOOR  
    4     SUPPORT PPC VALVE  
    5     CABIN (1/2)  
    6     CABIN (2/2)  
    7     FRONT DOOR (1/3)  
    8     FRONT DOOR (2/3)  
    9     FRONT DOOR (3/3)  
    10     LATERAL SLIDING WINDOW (1/3)  
    11     LATERAL SLIDING WINDOW (2/3)  
    12     LATERAL SLIDING WINDOW (3/3)  
    13     OPERATOR'S SEAT  
    14     OPERATOR'S SEAT (OPTIONAL) SN: 37CF00004-37CF00144  
    15     OPERATOR'S SEAT (OPTIONAL) SN: 37CF00145-  
    16     AUXILIARY LIFTING CAB (WITH FRONT DOOR)  
    17     HEATING SYSTEM  
    18     AIR CONDITIONING SYSTEM (1/7)  
    19     AIR CONDITIONING SYSTEM (2/7)  
    20     AIR CONDITIONING SYSTEM (3/7)  
    21     AIR CONDITIONING SYSTEM (4/7)  
    22     AIR CONDITIONING SYSTEM (5/7)  
    23     AIR CONDITIONING SYSTEM (6/7)  
    24     AIR CONDITIONING SYSTEM (7/7)  
 
 
 
 
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