| Category |
Engine Parts |
| Name |
Water Pump Assy |
| Parts No |
YM119810-42001 YM119810-42000 |
| Machine Number |
PC20R PC27R |
| Lead time |
1-3 DAYS |
| Quality |
Brand new, OEM quality |
| MOQ |
1 PCS |
| Means of transport |
By sea/air, DHL FEDEX UPS TNT |
| Packing |
As request or standard packing |
- Key functions & working principle
| Working Principle |
1. Power Input: The water pump pulley is driven by the engine’s crankshaft via a serpentine or V-belt, rotating the pump shaft and impeller. |
| 2. Coolant Suction: As the impeller spins, centrifugal force creates low pressure at the pump inlet, drawing coolant from the radiator into the pump housing. |
| 3. Pressure & Circulation: The impeller’s blades accelerate the coolant, generating pressure that pushes it through the engine block and cylinder head passages. |
| 4. Heat Dissipation: Coolant absorbs heat from the engine’s combustion chambers and cylinder walls, then flows back to the radiator to release heat. |
| 5. Leak Prevention: The mechanical seal between the shaft and housing blocks coolant from leaking out, while the sealed bearing prevents coolant from contaminating the bearing. |
| Core Functions |
1. Engine Temperature Regulation: Circulates coolant to remove excess heat – maintains engine operating temperature (85–95°C) and prevents overheating (which causes piston seizure, head gasket failure, or cylinder warping). |
| 2. Uniform Heat Distribution: Ensures coolant flows evenly through the engine block and head – avoids hot spots that damage engine components. |
| 3. Cold-Start Protection: Aids in rapid engine warm-up by circulating coolant slowly until the engine reaches optimal temperature (reduces wear from cold operation). |
| 4. Leak Prevention: The mechanical seal and gasket prevent coolant loss – low coolant levels lead to overheating and engine damage. |
EXCAVATORS PC20R PC27R Komatsu
- More other water pump applied to KOMATSU heavey machine
| 6130-62-1201 WATER PUMP ASS'Y |
| 4D105 |
| |
| 6206-61-1504 WATER PUMP ASS'Y |
| 6D95L, S6D95L |
| |
| 6150-61-1102 WATER PUMP ASS'Y |
| 6D125 |
| |
| YM129100-42002 WATER PUMP ASS'Y |
| 3D84, 3D84E, 3D84N, 3D88E, 4D84, 4D84E, 4D88E, S3D84, S3D84E |
| |
| 6240-61-1100 WATER PUMP ASS'Y |
| SA6D170E, SAA6D170E, WA600 |
| |
| 6150-61-1101 WATER PUMP ASS'Y |
| 6D125 |
| |
| 600-311-7610 WATER SEPARATOR |
| AIR, BATTERY, D31EX, D31PX, D37EX, D37PX, D39EX, D39PX, D51EX/PX, D65EX, D65PX, FRONT, PC300, PC300HD, PC350, PRESSURE, RAIN, SAA6D114E, WA250, WA320, WA380, WA430 |
| |
| YM129100-42001 WATER PUMP ASS'Y |
| 3D78, 3D84, 3D84N, 4D84, S3D84 |
| |
| 6151-62-1201 WATER PUMP ASS'Y |
| 6D125E, S6D125E, SA6D125E |
| |
| 600-311-9320 WATER SEPARATOR A. |
| HD785 |
| |
| 22U-04-21131 WATER SEPARATOR |
| BP500, BR300S, BR380JG, BZ210, CD110R, D31EX, D31PX, D37EX, D37PX, D39EX, D39PX, D61EX, D61PX, GD405A, GD555, GD655, GD675, PC130, PC160, PC180, PC200, PC300, PC360, WA380 |
| |
| 6162-63-1014 WATER PUMP ASS'Y |
| EGS650, EGS760, EGS850, S6D170, S6D170E, SA6D170, SA6D170E, SAA6D170E, WA700 |
| Pos. |
Part No |
Qty |
Parts name |
Comments |
| 1 |
YM119810-42001 |
[1] |
WATER PUMP ASS'Y Komatsu |
1.6 kg. |
| |
|
|
["SN: 00101-UP"] analogs:["YM11981042000"] |
|
| 2. |
YM23871-030000 |
[2] |
PLUG Komatsu |
0.015 kg. |
| |
|
|
["SN: 00101-UP"] analogs:["YMR000378", "0704300312"] |
|
| 3. |
YM129150-42320 |
[1] |
O-RING Komatsu China |
|
| |
|
|
["SN: 00101-UP"] analogs:["12915042320", "YMR001006", "YM12905442320", "RYM12915042320"] |
|
| 4 |
YM121450-42450 |
[1] |
PLUG Komatsu |
0.039 kg. |
| |
|
|
["SN: 00101-UP"] |
|
| 5 |
YM124465-44950 |
[1] |
GASKET (KIT) Komatsu |
0.005 kg. |
| |
|
|
["SN: 00101-UP"] |
|
| 6 |
YM171056-49351 |
[1] |
SENSOR,WATER TEMPERATURE Komatsu OEM |
0.04 kg. |
| |
|
|
["SN: 00101-UP"] |
|
| 7 |
YM124250-49360 |
[1] |
PACKING Komatsu |
0.001 kg. |
| |
|
|
["SN: 00101-UP"] analogs:["YM12915049360"] |
|
| 8 |
YM129150-42020 |
[1] |
GASKET (KIT) Komatsu China |
|
| |
|
|
["SN: 00101-UP"] analogs:["YMR001007", "YMR002610", "YM12948642050", "RYM12915042020"] |
|
| 9 |
YM26106-080352 |
[1] |
BOLT Komatsu China |
|
| |
|
|
["SN: 00101-UP"] analogs:["YMR000406"] |
|
| 10 |
YM26106-080552 |
[3] |
BOLT Komatsu |
0.024 kg. |
| |
|
|
["SN: 00101-UP"] |
|
| 11 |
YM129155-49800 |
[1] |
THERMOSTAT Komatsu |
0.1 kg. |
| |
|
|
["SN: 00101-UP"] analogs:["YM12915549801"] |
|
| 12 |
YM129150-49811 |
[1] |
GASKET (KIT) Komatsu |
0.001 kg. |
| |
|
|
["SN: 00101-UP"] |
|
| 13 |
YM129350-49530 |
[1] |
COVER Komatsu |
0.075 kg. |
| |
|
|
["SN: 00101-UP"] |
|
| 14 |
YM129795-49551 |
[1] |
PACKING (KIT) Komatsu |
0.01 kg. |
| |
|
|
["SN: 00101-UP"] |
|
| 15 |
YM26106-080202 |
[2] |
BOLT Komatsu |
0.1 kg. |
| |
|
|
["SN: 00101-UP"] |
|
| 16 |
YM129556-42350 |
[1] |
PULLEY Komatsu |
0.37 kg. |
| |
|
|
["SN: 00101-UP"] |
|
| 17 |
YM119256-44760 |
[1] |
SPACER Komatsu China |
|
| |
|
|
["SN: 00101-UP"] analogs:["YMR002022", "RYM11925644760"] |
|
| 18 |
YM121267-44741 |
[1] |
FAN,COOLING Komatsu |
0.9 kg. |
| |
|
|
["SN: 00101-UP"] |
|
| 19 |
YM26106-060602 |
[4] |
BOLT Komatsu China |
|
| |
|
|
["SN: 00101-UP"] analogs:["YMR000625"] |
|
| 20 |
YM119865-42290 |
[1] |
V-BELT Komatsu |
0.11 kg. |
| |
|
|
["SN: 00101-UP"] |
|
| 21 |
YM119645-49020 |
[1] |
PIPE Komatsu |
0.000 kg. |
| |
|
|
["SN: 00101-UP"] |
|
| 22 |
YM129305-49010 |
[1] |
PIPE Komatsu China |
|
| |
|
|
["SN: 00101-UP"] |
|
| 23 |
YM23010-038000 |
[4] |
CLAMP Komatsu China |
|
| |
|
|
["SN: 00101-UP"] analogs:["FF873111830", "GD37E849", "YM2301003800", "0728003626", "20N0116650"] |
|
- We could supply the following spare parts
1 Hydraulic parts: hydraulic pump, main valve, hydraulic cylinder, final drive, travel motor, swing machinery, swing motor etc.
2 Engine parts: engine ass’y, piston, piston ring, cylinder block, cylinder head, crankshaft, turbocharger, fuel injection pump, starting motor and alternator etc.
3 Undercarriage part: Track roller, Carrier roller, Track Link, Track shoe, Sprocket, Idler and Idler cushion etc.
4 Cab parts: operator’s cab, wiring harness, monitor, controller, seat, door etc.
5 Cooling parts: Radiator, air conditioner, compressor, after cooler etc.
6 Other parts: Service kit, swing circle, engine hood, swing joint, fuel tank, filter, boom, arm, bucket etc.
Packing Details :
inner packing : plastic film for wrapping
external packing : wooden
Shipping :
within 3 days after received the payment , by air or by express or by sea on the basis of the
quantity and emergency circumstances.
1. By Couriers: DHL, UPS, FEDEX, TNT are the main courier companies we are cooperated,
2. By Air: Delivery from the Guangzhou air port to customer's destination city air port.
3. By Sea: Delivery from the Huangpu port .
Por favor verifique seu email!
