Hanchi Auto Parts
2243238 Water Pump Suitable for Caterpillar C15 C18 High Quality
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2243238 is a Caterpillar water pump OE number. Our replacement matches the same mounting and cooling specs, fits C15, C18, Straight tooth gear 3406E and other listed engines, and ships with a 19.00 kg net weight (1 pcs per carton). Cross numbers: 10R2776, 10R3326, 10R6225, 10R8660, 2463132 and 4 more.
Which engines use the 2243238 water pump?
The OE application list reads: C15; C18; Straight tooth gear 3406E.
When in doubt, compare the old pump pulley height against our spec table below — it settles most fitment questions.
What part numbers interchange with 2243238?
One pump, many part numbers. The full cross list:
- 10R2776
- 10R3326
- 10R6225
- 10R8660
- 2463132
- 2807374
- 3362213
- 3660168
- KRP1715
What are the specifications of 2243238?
| Parameter | Value |
| OE number | 2243238 |
| Fits brand | Caterpillar |
| TO Shaft head height | 54 |
| Mounting hole position | Aligned to OE mounting points |
| Threads on the pump body | 6-3/8-16UNC |
| TO Gear height | 32.7 |
| TO Impeller height Ⅰ | 0.6 |
| 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 |
| Number of Teeth | 74 |
| Included Component 1 | O220X3.5-3 |
| Included Component 2 | CA112-WD-1 |
| Net weight | 19.00 kg |
| Packing | 1 pcs/ctn, 20.10 kg gross |
Packing and quality checks
Logistics data: 1 pcs/ctn, 20.10 kg gross, 34 x 32 x 21 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 2243238 fit?
2243238 fits C15, C18, Straight tooth gear 3406E and other listed engines. It is a Caterpillar application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 2243238?
2243238 interchanges with 10R2776, 10R3326, 10R6225, 10R8660, 2463132, 2807374 and 3 more. All of these refer to the same water pump assembly.
Is 2243238 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 2243238 water pump weigh?
One pump weighs 19.00 kg net. A full carton of 1 pieces comes to 20.10 kg gross.
How do I confirm 2243238 is the pump I need?
Check the OE number stamped on your old pump or in the parts book, then compare engine model and pulley height with the spec table on this page. If anything is unclear, send us a photo of the old unit.
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.


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