Komatsu 6D125-1AB S/N 10276-UP Book Parts



6d125-kc / + - .
_ _  №  Number Qty Name Options
    01      

CYLINDER HEAD

 
    02      

CYLINDER BLOCK

 
    03      

LUBRICATING OIL SYSTEM

 
    04      

FUEL SYSTEM

 
    05      

COOLING SYSTEM

 
    06      

ELECTRICAL SYSTEM

 
    07      

ACCESSORY

 
    09      

ENGINE KIT

 
 
 
 
 
6d125-kc / 0101 + - .
6D125-KC YLINDER HEAD(#10276-24780)

You can buy parts: .

As an associate, we earn commssions on qualifying purchases through the links below
$104.99

15 Aug 2025
6136-11-1130 Pack of 6 SLEEVE INJECTOR Suitable For Komatsu 6136111130
$95.00

11 Jul 2025
6PCS Injector Sleeve Fits 6136111130 for Komatsu Engine S6D105 6D125 Excavator PC400
$99.99

28 Jun 2025
6136-11-1130 Pack of 6 SLEEVE INJECTOR Suitable For Komatsu 6136111130
$49.00

06 Jan 2022
Seat Valve 6150-11-1331 6150111331 for Komatsu 6D125 IN
$40.94

15 Aug 2025
6150-11-1320 Pack of 6 VALVE INSERT EXHAUST Suitable For Komatsu 6150111320
$39.44

27 Jun 2025
6150-11-1320 Pack of 6 VALVE INSERT EXHAUST Suitable For Komatsu 6150111320
$39.44

07 May 2025
0.0661[0.03] pounds
6150-11-1320 Pack of 6 VALVE INSERT EXHAUST Suitable For Komatsu® 6150111320
$14.52

14 Aug 2022
6150-19-1320 - Insert, Exhaust Valve .25MM 6150191320 fits Komatsu
$50.07

16 Aug 2025
6150-12-1341 Pack of 12 VALVE GUIDE INLET Suitable For Komatsu 6150121341
$48.14

28 Jun 2025
6150-12-1341 Pack of 12 VALVE GUIDE INLET Suitable For Komatsu 6150121341
$48.14

08 May 2025
0.1543[0.07] pounds
6150-12-1341 Pack of 12 VALVE GUIDE INLET Suitable For Komatsu® 6150121341
$39.63

13 Aug 2024
1.7196[0.77] pounds
6150121351 Pack of 12 VALVE GUIDE EX suitable for Komatsu®
$49.97

07 Jul 2024
1.7196[0.77] pounds
6150121351 Pack of 12 VALVE GUIDE EX suitable for Komatsu®
$49.97

19 Oct 2022
1.7196[0.77] Pounds
6150121351 Pack of 12 VALVE GUIDE EX suitable for Komatsu
$78.80

16 Aug 2025
0.01 Kilograms
6162-13-1150 Pack of 50 PLUG Suitable For Komatsu® 6162131150
$75.50

08 Aug 2025
0.01 Kilograms
6162-13-1150 Pack of 50 PLUG Suitable For Komatsu® 6162131150

07 Aug 2025
0.01 Kilograms
6162-13-1150 Pack of 50 PLUG Suitable For Komatsu® 6162131150
$58.33

03 Jul 2020
2.1164377152[0.90] Pounds
6150414111 Pack of 6 VALVE IN suitable for Komatsu
$10.70

24 Mar 2020
Made to fit 6150-41-4111 Valve, Inlet (6150-41-4111) New Aftermarket Komatsu
$134.99

28 Jul 2022
2.2046[0.99] Pounds
6150414210 Pack of 6 VALVE EX suitable for Komatsu
$114.99

06 Jul 2020
2.20462262[0.90] Pounds
6150414210 Pack of 6 VALVE EX suitable for Komatsu
$17.80

24 Mar 2020
Made to fit 6150-41-4210 Valve, Exhaust (6150-41-4210) New Aftermarket Komatsu
$27.14

18 Jun 2025
0.0[0.00] pounds
6140-41-4540 Pack of 12 SEAL VALVE STEM Suitable For Komatsu® 6140414540
$23.07

25 Jan 2025
0.0[0.00] Pounds
6140-41-4540 Pack of 12 SEAL VALVE STEM Suitable For Komatsu® 6140414540
$23.07

24 Aug 2024
6140-41-4540 12 SEAL VALVE STEM Suitable For Komatsu
$66.13

12 Aug 2024
0.3747[0.17] Pounds
6150414430 Pack of 24 RETAINER VALVE SPRING LOWER suitable for Komatsu®
$69.76

08 Jul 2024
0.3747[0.17] Pounds
6150414430 Pack of 24 RETAINER VALVE SPRING LOWER suitable for Komatsu®
$69.76

29 Jun 2024
0.3747[0.17] Pounds
6150414430 Pack of 24 RETAINER VALVE SPRING LOWER suitable for Komatsu
$60.05

23 Aug 2024
1.5432[0.69] pounds
6150-41-4510 24 RETAINER VALVE SPRING UPPER Suitable For Komatsu
$60.05

12 Aug 2024
1.5432[0.69] pounds
6150414510 Pack of 24 RETAINER VALVE SPRING UPPER suitable for Komatsu®
$71.83

07 Jul 2024
1.5432[0.69] Pounds
6150414510 Pack of 24 RETAINER VALVE SPRING UPPER suitable for Komatsu®
_ _  №  Number Qty Name Options
      6150-11-1100   CYLINDER HEAD ASS'Y,VALVE LESS SN: 10276-@  
    1   *   HEAD,CYLINDER SN: 10276-@  
    2   6136-11-1130   SLEEVE SN: 10276-@  
    3   6150-11-1331   INSERT,INTAKE VALVE (STD) SN: 10276-@  
      6150-19-1331   INSERT¤ 0.25MM,INTAKE VALVE (OS) SN: 10276-@  
      6150-18-1331   INSERT¤ 0.50MM,INTAKE VALVE (OS) SN: 10276-@  
      6150-17-1331   INSERT¤ 0.75MM,INTAKE VALVE (OS) SN: 10276-@  
      6150-16-1331   INSERT¤ 1.00MM,INTAKE VALVE (OS) SN: 10276-@  
    4   6150-11-1320   INSERT,EXHAUST VALVE (STD) SN: 10276-@  
      6150-19-1320   INSERT¤ 0.25MM,EXHAUST VALVE (OS) SN: 10276-@  
      6150-18-1320   INSERT¤ 0.50MM,EXHAUST VALVE (OS) SN: 10276-@  
      6150-17-1320   INSERT¤ 0.75MM,EXHAUST VALVE (OS) SN: 10276-@  
      6150-16-1320   INSERT¤ 1.00MM,EXHAUST VALVE (OS) SN: 10276-@  
    5   6150-12-1341   GUIDE,INTAKE VALVE SN: 10276-@  
    6   6150-12-1351   GUIDE,EXHAUST VALVE SN: 10276-@  
    7   6150-11-1140   GUIDE SN: 10276-@  
    8   6162-13-1150   PLUG SN: 10276-@  
    9   04020-00820   PIN,DOWEL SN: 10276-@  
    10   6150-41-4111   12  VALVE,INTAKE SN: 10276-@  
    11   6150-41-4210   12  VALVE,EXHAUST SN: 10276-@  
    12   6140-41-4540   12  SEAL,EXHAUST VALVE (K1) SN: 10276-@  
    13   6150-41-4430   24  SEAT,LOWER SN: 10276-@  
    14   6150-41-4510   24  SEAT,UPPER SN: 10276-@  
    15   6136-42-4520   48  COTTER SN: 10276-@  
    16   6150-41-4411   24  SPRING,VALVE SN: 10276-@  
    17   6150-41-5611   12  CROSSHEAD SN: 10276-@  
    18   6150-41-5620   12  SCREW SN: 10276-@  
    19   6150-41-5630   12  NUT SN: 10276-@  
    20   6150-11-1812   GASKET,HEAD (K1) SN: 24779-24780  
      6150-11-1812   GASKET,HEAD SN: 24012-24778  
      . 6150-11-1811   GASKET,HEAD SN: 23278-24011  
      . 6150-11-1810   GASKET,HEAD (K1) SN: 10276-23277  
    21   6150-11-1821   GROMMET SN: 10276-24780  
    22   6150-11-1610   36  BOLT SN: 10276-@  
    23   6150-81-9160   BOLT SN: 10276-@  
 
 
 
 
6d125-kc / 0101A + - .
6D125-KC YLINDER HEAD(#24781-)

You can buy parts: .

As an associate, we earn commssions on qualifying purchases through the links below
$104.99

15 Aug 2025
6136-11-1130 Pack of 6 SLEEVE INJECTOR Suitable For Komatsu 6136111130
$95.00

11 Jul 2025
6PCS Injector Sleeve Fits 6136111130 for Komatsu Engine S6D105 6D125 Excavator PC400
$99.99

28 Jun 2025
6136-11-1130 Pack of 6 SLEEVE INJECTOR Suitable For Komatsu 6136111130
$49.00

06 Jan 2022
Seat Valve 6150-11-1331 6150111331 for Komatsu 6D125 IN
$40.94

15 Aug 2025
6150-11-1320 Pack of 6 VALVE INSERT EXHAUST Suitable For Komatsu 6150111320
$39.44

27 Jun 2025
6150-11-1320 Pack of 6 VALVE INSERT EXHAUST Suitable For Komatsu 6150111320
$39.44

07 May 2025
0.0661[0.03] pounds
6150-11-1320 Pack of 6 VALVE INSERT EXHAUST Suitable For Komatsu® 6150111320
$14.52

14 Aug 2022
6150-19-1320 - Insert, Exhaust Valve .25MM 6150191320 fits Komatsu
$50.07

16 Aug 2025
6150-12-1341 Pack of 12 VALVE GUIDE INLET Suitable For Komatsu 6150121341
$48.14

28 Jun 2025
6150-12-1341 Pack of 12 VALVE GUIDE INLET Suitable For Komatsu 6150121341
$48.14

08 May 2025
0.1543[0.07] pounds
6150-12-1341 Pack of 12 VALVE GUIDE INLET Suitable For Komatsu® 6150121341
$39.63

13 Aug 2024
1.7196[0.77] pounds
6150121351 Pack of 12 VALVE GUIDE EX suitable for Komatsu®
$49.97

07 Jul 2024
1.7196[0.77] pounds
6150121351 Pack of 12 VALVE GUIDE EX suitable for Komatsu®
$49.97

19 Oct 2022
1.7196[0.77] Pounds
6150121351 Pack of 12 VALVE GUIDE EX suitable for Komatsu
$78.80

16 Aug 2025
0.01 Kilograms
6162-13-1150 Pack of 50 PLUG Suitable For Komatsu® 6162131150
$75.50

08 Aug 2025
0.01 Kilograms
6162-13-1150 Pack of 50 PLUG Suitable For Komatsu® 6162131150

07 Aug 2025
0.01 Kilograms
6162-13-1150 Pack of 50 PLUG Suitable For Komatsu® 6162131150
$58.33

03 Jul 2020
2.1164377152[0.90] Pounds
6150414111 Pack of 6 VALVE IN suitable for Komatsu
$10.70

24 Mar 2020
Made to fit 6150-41-4111 Valve, Inlet (6150-41-4111) New Aftermarket Komatsu
$134.99

28 Jul 2022
2.2046[0.99] Pounds
6150414210 Pack of 6 VALVE EX suitable for Komatsu
$114.99

06 Jul 2020
2.20462262[0.90] Pounds
6150414210 Pack of 6 VALVE EX suitable for Komatsu
$17.80

24 Mar 2020
Made to fit 6150-41-4210 Valve, Exhaust (6150-41-4210) New Aftermarket Komatsu
$27.14

18 Jun 2025
0.0[0.00] pounds
6140-41-4540 Pack of 12 SEAL VALVE STEM Suitable For Komatsu® 6140414540
$23.07

25 Jan 2025
0.0[0.00] Pounds
6140-41-4540 Pack of 12 SEAL VALVE STEM Suitable For Komatsu® 6140414540
$23.07

24 Aug 2024
6140-41-4540 12 SEAL VALVE STEM Suitable For Komatsu
$66.13

12 Aug 2024
0.3747[0.17] Pounds
6150414430 Pack of 24 RETAINER VALVE SPRING LOWER suitable for Komatsu®
$69.76

08 Jul 2024
0.3747[0.17] Pounds
6150414430 Pack of 24 RETAINER VALVE SPRING LOWER suitable for Komatsu®
$69.76

29 Jun 2024
0.3747[0.17] Pounds
6150414430 Pack of 24 RETAINER VALVE SPRING LOWER suitable for Komatsu
$60.05

23 Aug 2024
1.5432[0.69] pounds
6150-41-4510 24 RETAINER VALVE SPRING UPPER Suitable For Komatsu
$60.05

12 Aug 2024
1.5432[0.69] pounds
6150414510 Pack of 24 RETAINER VALVE SPRING UPPER suitable for Komatsu®
$71.83

07 Jul 2024
1.5432[0.69] Pounds
6150414510 Pack of 24 RETAINER VALVE SPRING UPPER suitable for Komatsu®
_ _  №  Number Qty Name Options
      6150-11-1100   CYLINDER HEAD ASS'Y,VALVE LESS SN: 10276-  
    1   *   HEAD,CYLINDER SN: 10276-  
    2   6136-11-1130   SLEEVE SN: 10276-  
    3   6150-11-1331   INSERT,INTAKE VALVE (STD) SN: 10276-  
      6150-19-1331   INSERT¤ 0.25MM,INTAKE VALVE (OS) SN: 10276-  
      6150-18-1331   INSERT¤ 0.50MM,INTAKE VALVE (OS) SN: 10276-  
      6150-17-1331   INSERT¤ 0.75MM,INTAKE VALVE (OS) SN: 10276-  
      6150-16-1331   INSERT¤ 1.00MM,INTAKE VALVE (OS) SN: 10276-  
    4   6150-11-1320   INSERT,EXHAUST VALVE (STD) SN: 10276-  
      6150-19-1320   INSERT¤ 0.25MM,EXHAUST VALVE (OS) SN: 10276-  
      6150-18-1320   INSERT¤ 0.50MM,EXHAUST VALVE (OS) SN: 10276-  
      6150-17-1320   INSERT¤ 0.75MM,EXHAUST VALVE (OS) SN: 10276-  
      6150-16-1320   INSERT¤ 1.00MM,EXHAUST VALVE (OS) SN: 10276-  
    5   6150-12-1341   GUIDE,INTAKE VALVE SN: 10276-  
    6   6150-12-1351   GUIDE,EXHAUST VALVE SN: 10276-  
    7   6150-11-1140   GUIDE SN: 10276-  
    8   6162-13-1150   PLUG SN: 10276-  
    9   04020-00820   PIN,DOWEL SN: 10276-  
    10   6150-41-4111   12  VALVE,INTAKE SN: 10276-  
    11   6150-41-4210   12  VALVE,EXHAUST SN: 10276-  
    12   6140-41-4540   12  SEAL,EXHAUST VALVE (K1) SN: 10276-  
    13   6150-41-4430   24  SEAT,LOWER SN: 10276-  
    14   6150-41-4510   24  SEAT,UPPER SN: 10276-  
    15   6136-42-4520   48  COTTER SN: 10276-  
    16   6150-41-4411   24  SPRING,VALVE SN: 10276-  
    17   6150-41-5611   12  CROSSHEAD SN: 10276-  
    18   6150-41-5620   12  SCREW SN: 10276-  
    19   6150-41-5630   12  NUT SN: 10276-  
    20   6150-17-1812   GASKET,HEAD (K1) SN: 26687-  
      6150-17-1812   GASKET,HEAD SN: 24781-26686  
    21   6150-11-1920   GROMMET,OIL SN: 24781-  
    22   6150-11-1930   GROMMET,OIL SN: 24781-  
    23   6150-11-1940   GROMMET,WATER SN: 24781-  
    24   6150-11-1610   36  BOLT SN: 10276-  
    25   6150-81-9160   BOLT SN: 10276-  
 
 
 
 
6d125-kc / 0111 + - .
6D125-KC OCKER ARM AND HOUSING

You can buy parts: .

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

24 Mar 2020
100 Hundredths Pounds
Komatsu 01640-21016 Washer
$125.17

28 Aug 2025
6150-41-5400 Rocker Arm Fits for Komatsu 6D125-3 Engine Replace parts
$124.06

16 Aug 2025
6150-41-5400 Rocker Arm Fits for Komatsu 6D125-3 Engine Replace parts
$111.95

13 Aug 2025
6150-41-5400 Rocker Arm Fits for Komatsu 6D125-3 Engine Replace parts
$99.99

14 Nov 2024
0.6393[0.29] pounds
6150415420 Pack of 12 ROCKER ARM BUSH suitable for Komatsu®
$109.99

03 Jul 2020
0.6393405598[0.00] Pounds
6150415420 Pack of 12 ROCKER ARM BUSH suitable for Komatsu
$2.06

24 Mar 2020
Made to fit 6150-41-5420 Bushing Komatsu New Aftermarket
$93.62

16 Aug 2025
6150-41-5500 ROCKER ARM EXHAUST Suitable For Komatsu 6150415500
$89.61

18 Jul 2025
6150-41-5500 ROCKER ARM EXHAUST Suitable For Komatsu 6150415500
$174.95

13 Jul 2025
6150-41-5500 Rocker Arm Fits for Komatsu 6D125 Engine Replace parts

26 Feb 2025
CARTEX 12 Pcs Bolt 6150-81-9370 for FITS Komatsu Engine 6D125-1 SA6D125E Excavator PC400-7 PC400LC-5 PC450LC-8 PC490LC-10
$138.35

08 Jul 2024
CARTEX 12 Pcs Bolt 6150-81-9370 for FITS Komatsu Engine 6D125-1 SA6D125E Excavator PC400-7 PC400LC-5 PC450LC-8 PC490LC-10
$89.00

12 Apr 2023
5.2910[2.38] Pounds
FridayParts 12 Pcs Bolt 6150-81-9370 Compatible for Komatsu Engine 6D125-1 SA6D125E Excavator PC400-7 PC400LC-5 PC450LC-8 PC490LC-10 Replacement
_ _  №  Number Qty Name Options
    1   6150-11-7110   HOUSING,ROCKER ARM SN: 10276-  
    2   6150-11-7810   GASKET (K1) SN: 10276-  
    3   6150-81-9140   40  BOLT SN: 10276-  
    4   01640-21016   40  WASHER SN: 10276-  
    5   01010-51095   BOLT SN: 10276-  
    6   01640-21016   WASHER SN: 10276-  
      6150-41-5400   ARM ASS'Y,INTAKE SN: 10276-  
    7   *   ARM,ROCKER SN: 10276-  
    8   6150-41-5420   BUSHING SN: 10276-  
    9   6150-41-5540   SCREW SN: 10276-  
    10   01582-01008   NUT SN: 10276-  
      6150-41-5500   ARM ASS'Y,EXHAUST SN: 10276-  
    11   *   ARM,ROCKER SN: 10276-  
    12   6150-41-5420   BUSHING SN: 10276-  
    13   6162-43-5340   RIVET SN: 10276-  
    14   6150-41-5540   SCREW SN: 10276-  
    15   01582-01008   NUT SN: 10276-  
      6150-41-5300   ROCKER ARM SHAFT A. SN: 10276-  
    16   *   SHAFT SN: 10276-  
    17   6150-81-8420   BALL SN: 10276-  
    18   6150-41-5320   SPRING SN: 10276-  
    19   6150-81-9370   12  BOLT SN: 10276-  
 
 
 
 
6d125-kc / 0115 + - .
6D125-KC OCKER ARM HOUSING COVER

You can buy parts: .

As an associate, we earn commssions on qualifying purchases through the links below
$32.31

15 Aug 2025
6150-11-8810 Pack of 6 GASKET VALVE COVER Suitable For Komatsu 6150118810
$31.56

27 Jun 2025
6150-11-8810 Pack of 6 GASKET VALVE COVER Suitable For Komatsu 6150118810
$31.56

06 May 2025
6150-11-8810 Pack of 6 GASKET VALVE COVER Suitable For Komatsu® 6150118810
$4.88

24 Mar 2020
0.1[0.00] Pounds
CTP Komatsu Seal (6150-11-8820) Aftermarket

26 Feb 2025
CARTEX 12 Pcs Bolt 6150-81-9370 for FITS Komatsu Engine 6D125-1 SA6D125E Excavator PC400-7 PC400LC-5 PC450LC-8 PC490LC-10
$138.35

08 Jul 2024
CARTEX 12 Pcs Bolt 6150-81-9370 for FITS Komatsu Engine 6D125-1 SA6D125E Excavator PC400-7 PC400LC-5 PC450LC-8 PC490LC-10
$89.00

12 Apr 2023
5.2910[2.38] Pounds
FridayParts 12 Pcs Bolt 6150-81-9370 Compatible for Komatsu Engine 6D125-1 SA6D125E Excavator PC400-7 PC400LC-5 PC450LC-8 PC490LC-10 Replacement

24 Mar 2020
100 Hundredths Pounds
Komatsu 01640-21016 Washer
_ _  №  Number Qty Name Options
    1   6150-11-8111   COVER,HEAD SN: 10276-  
    2   6150-11-8810   GASKET (K1) SN: 10276-  
    3   6150-11-8820   24  RUBBER (K1) SN: 10276-  
    4   6150-81-9370   24  BOLT SN: 21359-  
      . 6150-81-9170   24  BOLT SN: 10276-21358  
    5   01640-21016   24  WASHER SN: 10276-  
 
 
 
 
6d125-kc / 0131 + - .
6D125-KC IR INTAKE MANIFOLD AND CONNECTION

You can buy parts: .

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

24 Mar 2020
100 Hundredths Pounds
Komatsu 01640-21016 Washer
_ _  №  Number Qty Name Options
      6150-11-4910   INTAKE MANIFOLD A. SN: 10276-  
    1   *   MANIFOLD,AIR INTAKE SN: 10276-  
    2   07042-00415   PLUG,(FOR SHIPPING) SN: 10276-  
    3   6150-11-4810   GASKET (K1) SN: 10276-  
    4   01011-51010   BOLT SN: 10276-  
    5   01010-51030   14  BOLT SN: 10276-  
    6   01640-21016   22  WASHER SN: 10276-  
    7   6150-11-4210   CONNECTOR,AIR SN: 10276-  
    8   600-815-3810   HEATER,RIBBON SN: 10276-  
    9   6150-11-4820   GASKET (K1) SN: 10276-  
    10   01010-51055   BOLT SN: 10276-  
    11   01010-51060   BOLT SN: 10276-  
    12   01641-21016   WASHER SN: 10276-  
    13   203-57-21330   SPACER SN: 10276-  
    14   08670-01635   INDICATOR,DUST (JAPANESE-ENGLISH) SN: 10276-  
    15   6678-81-4340   WIRE¤ 170MM SN: 10276-  
    16   08038-00519   CAP SN: 10276-  
 
 
 
 
6d125-kc / _060000 + - .
_ _  №  Number Qty Name Options
    10     CYLINDER BLOCK(#24453-)  
    20     CYLINDER BLOCK COVER(#24453-)  
    30     FRONT COVER AND FRONT SUPPORT(#24453-)  
    40     OIL PAN(#24453-)  
    50     FLYWHEEL AND FLYWHEEL HOUSING(#20091-)  
    60     CRANKSHAFT(#24453-)  
    70     PISTON AND CONNECTING ROD(#20091-)  
    80     CAMSHAFT(#20091-)  
 
 
 
 
6d125-kc / _090000 + - .
6d125-kc / _150000 + - .
_ _  №  Number Qty Name Options
    10     WATER PUMP AND MOUNTING  
    20     COOLING FAN AND MOUNTING  
    30     COOLING FAN AND MOUNTING (SUCTION FAN)  
    40     CORROSION RESISTOR AND PIPING(#24453-)  
 
 
 
 
Here you can search whole komatsu part number in all models, Example: 6212611203

Parts catalog Komatsu:

The names Komatsu, Cat, Deere or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
777parts tpe-parts.com is in no way associated with Komatsu any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only.
Back to top