Hanchi Auto Parts
10R2776 Water Pump Suitable for Caterpillar C15 C18 High Quality
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Looking for 10R2776? It is the Caterpillar OE reference for a cooling water pump used on C15, C18, Straight tooth gear 3406E and other listed engines. The replacement we supply keeps the same fit and pulley dimensions. Net weight 19.00 kg, packed 1 per carton.
Which engines use the 10R2776 water pump?
This pump was designed for C15; C18; Straight tooth gear 3406E.
Any engine on this list takes our replacement as a straight swap.
What part numbers interchange with 10R2776?
One pump, many part numbers. The full cross list:
- 10R3326
- 10R6225
- 10R8660
- 2243238
- 2463132
- 2807374
- 3362213
- 3660168
- KRP1715
What are the specifications of 10R2776?
| Parameter | Value |
| OE number | 10R2776 |
| 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
For shipping estimates, count on 1 pumps per carton (20.10 kg, 34 x 32 x 21 cm).
We leak-test each unit at a negative pressure of 0.1 MPa, then spin it by hand to confirm free rotation.
Frequently asked questions
What vehicles or engines does 10R2776 fit?
10R2776 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 10R2776?
10R2776 interchanges with 10R3326, 10R6225, 10R8660, 2243238, 2463132, 2807374 and 3 more. All of these refer to the same water pump assembly.
Is 10R2776 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 10R2776 water pump weigh?
One pump weighs 19.00 kg net. A full carton of 1 pieces comes to 20.10 kg gross.
Not sure this is your pump? Send a photo of the old unit and the engine tag; we will match it.
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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