Hanchi Auto Parts
6743-61-1531 Water Pump Suitable for Cummins 6D114/6CT PC300-8MO High Quality
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If your parts book shows 6743-61-1531, you need a water pump for 6D114/6CT, PC300-8 EFI, PC300-8MO and other listed engines. Ours is a matching replacement — same mounting holes, same belt pulley height, pressure-tested before packing. Related OE numbers include 4309418, 4376359, 5291445, 5346205, 5579024 and 1 more.
Which engines use the 6743-61-1531 water pump?
This pump was designed for 6D114/6CT; PC300-8 EFI; PC300-8MO; pulley OD 110MM.
When in doubt, compare the old pump pulley height against our spec table below — it settles most fitment questions.
What are the specifications of 6743-61-1531?
| Parameter | Value |
| OE number | 6743-61-1531 |
| Fits brand | Cummins |
| TO Belt pulley height | 91.4 |
| TO Impeller height Ⅱ | 36.4 |
| TO Shaft head height | 102.38 |
| Pulley Jumping | 0 |
| Mounting hole position | Aligned to OE mounting points |
| Air tightness testing | No leakage detected under negative pressure of 0.1 MPa |
| Appearance Ⅰ | Neutral finish, no third-party logos |
| Appearance Ⅱ | Clean surface: no dirt, rust or paint peeling |
| Assembly rotation | Turns freely by hand, no sticking or noise |
| Pulley Diameter | 110 |
| Included Component 1 | O115X3.5 |
| Net weight of one | 4.00 |
| Net weight | 4.00 kg |
| Packing | 4 pcs/ctn, 18.00 kg gross |
What part numbers interchange with 6743-61-1531?
Dealers and fleet systems quote this pump under more than one OE number:
- 4309418
- 4376359
- 5291445
- 5346205
- 5579024
- 6746-61-1200
Packing and quality checks
Logistics data: 4 pcs/ctn, 18.00 kg gross, 41 x 36 x 19.5 cm.
Air-tightness is checked pump by pump under a negative pressure of 0.1 MPa before packing.
Frequently asked questions
What vehicles or engines does 6743-61-1531 fit?
6743-61-1531 fits 6D114/6CT, PC300-8 EFI, PC300-8MO and other listed engines. It is a Cummins application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 6743-61-1531?
6743-61-1531 interchanges with 4309418, 4376359, 5291445, 5346205, 5579024, 6746-61-1200. All of these refer to the same water pump assembly.
Is 6743-61-1531 available from stock?
Yes, this number is in regular production. Lead time for carton quantities is usually a few days; ask us for current stock before ordering.
How much does the 6743-61-1531 water pump weigh?
One pump weighs 4.00 kg net. A full carton of 4 pieces comes to 18.00 kg gross.
Message us with the OE number off your old pump. We reply with fitment confirmation and a price the same day.
Send the OE number, your quantity and your destination port — feel free to Contact Us. We reply with fitment confirmation and a quote.
OEM Avalible
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