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4D120-11F/G (50025-Up)

Below are a list of Komatsu engine series we provide parts for. If you do not see your engine or are not sure which engine your equipment is running, please contact us and we will provide as much help as possible.

DK Engine Parts provides OEM equivalent quality parts for most Komatsu engine applications without charging the dealer prices. We have worked with reliable vendors to ensure your needs are met with quality engine parts and knowledgeable sales associates.

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Komatsu Crankshaft - 6110-30-1201
Komatsu Crankshaft - 6110-30-1201 This is a brand new crankshaft.  Please ensure you have chec..
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Komatsu Cylinder Kit - KMP6110
Komatsu Cylinder Kit - KMP6110 This is a brand new cylinder kit.  The contents of this kit wil..
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Komatsu Piston - 6110-33-2132
Komatsu Piston - 6110-33-2132 This is a brand new piston kit.  Please ensure you have che..
$199.62
Komatsu Piston Ring Set - 6110-30-2402
Komatsu Piston Ring Set - 6110-30-2402 This is a brand new piston ring set.  Please ensure you..
$32.05
Komatsu Main Bearing STD - 6110-20-8070
Komatsu Main Bearing STD - 6110-20-8070 This is a brand new main bearing set.  Please ensure y..
$124.05
Komatsu Rod Bearing STD - 6114-30-3500
Komatsu Rod Bearing STD - 6114-30-3500 This is a brand new connecting rod bearing set.  Please..
$14.55
Komatsu Thrust Washer STD - 6114-29-8050
Komatsu Thrust Washer STD - 6114-29-8050 This is a brand new thrust washer set.  Please ensure..
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Komatsu Head Gasket Kit - 6110-K1-9901
Komatsu Head Gasket Kit - 6110-K1-9901 This is a brand new head gasket kit set.  Please ensure..
$436.66
Komatsu Lower Gasket Kit - 6110-K2-9901
Komatsu Lower Gasket Kit - 6110-K2-9901 This is a brand new lower gasket set.  Please ensure y..
$195.68
Komatsu Camshaft - 6112-40-1100
Komatsu Camshaft - 6112-40-1100 This is a brand new camshaft.  Please ensure you have checked ..
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Komatsu Oil Pump - 6110-53-1007
Komatsu Oil Pump - 6110-53-1007 This is a brand new oil pump.  Please ensure you have checked ..
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Komatsu Water Pump - 6110-63-1105
Komatsu Water Pump - 6110-63-1105 This is a brand new water pump.  Please ensure you have chec..
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Komatsu Cam Bearing - 6110-23-1410
Komatsu Cam Bearing - 6110-23-1410 This is a brand new cam bearing.  Please ensure you have ch..
$6.86
Komatsu Front Crankshaft Seal - 07012-00075
Komatsu Front Crankshaft Seal - 07012-00075 This is a brand new front crankshaft seal.  Please..
$2.38
Komatsu Rear Crankshaft Seal - 6610-21-1321
Komatsu Rear Crankshaft Seal - 6610-21-1321 This is a brand new rear crankshaft seal.  Please ..
$24.73