Hanchi Auto Parts
3803605 Water Pump Suitable for Cummins NT855 N14 High Quality
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The OE number 3803605 identifies a water pump fitted to NT855 and N14 engines. We stock a direct replacement built to the same shaft and pulley heights. One pump weighs 9.70 kg; a full carton holds 2.
Which engines use the 3803605 water pump?
The OE application list reads: NT855; N14.
Any engine on this list takes our replacement as a straight swap.
What part numbers interchange with 3803605?
Parts books from different markets list this pump under several numbers. All of them point to the same unit:
- 3803361
- Airtex AW2090
What are the specifications of 3803605?
| Parameter | Value |
| OE number | 3803605 |
| Fits brand | Cummins |
| TO Belt pulley height | 85.85 |
| TO Impeller height Ⅱ | 29.9 |
| TO Shaft head height | 86.3 |
| Pulley Jumping | 0 |
| Mounting hole position | Aligned to OE mounting points |
| Threads on the pump body | 4-3/8-16UNC |
| Belt pulley thread | 2-3/8-16UNC |
| 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 |
| Included Component 1 | O45X3.5 |
| Net weight | 9.70 kg |
| Packing | 2 pcs/ctn, 22.40 kg gross |
Packing and quality checks
Logistics data: 2 pcs/ctn, 22.40 kg gross, 59 x 38 x 21 cm.
Before boxing, each pump passes a negative-pressure leak check and a hand-rotation check for smooth, noise-free bearing movement.
Frequently asked questions
What vehicles or engines does 3803605 fit?
3803605 fits NT855 and N14 engines. It is a Cummins application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 3803605?
3803605 interchanges with 3803361, Airtex AW2090. All of these refer to the same water pump assembly.
Is 3803605 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 3803605 water pump weigh?
One pump weighs 9.70 kg net. A full carton of 2 pieces comes to 22.40 kg gross.
How do I confirm 3803605 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.
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.
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