Hanchi Auto Parts
6271-61-1602 Water Pump Suitable for Cummins B3.3 High Quality
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Looking for 6271-61-1602? It is the Cummins OE reference for a cooling water pump used on B3.3 engines. The replacement we supply keeps the same fit and pulley dimensions. Net weight 7.70 kg, packed 2 per carton.
Which engines use the 6271-61-1602 water pump?
Fitment covers B3.3.
Match your engine model to the list and the pump will fit without rework.
What part numbers interchange with 6271-61-1602?
One pump, many part numbers. The full cross list:
- 3800883
- 3800885
What are the specifications of 6271-61-1602?
| Parameter | Value |
| OE number | 6271-61-1602 |
| Fits brand | Cummins |
| TO Shaft head height | 131.26 |
| Mounting hole position | Aligned to OE mounting points |
| Threads on the pump body | RC1/2 |
| Flange thread | 4-M8X1.25 |
| TO Flange height | 120.87 |
| Flange jumping | 0.07 |
| TO Impeller height Ⅰ | 0.8 |
| 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 | O55X5 |
| Net weight | 7.70 kg |
| Packing | 2 pcs/ctn, 16.30 kg gross |
Packing and quality checks
Each pump is packed individually; a master carton holds 2 pieces at 16.30 kg gross.
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 6271-61-1602 fit?
6271-61-1602 fits B3.3 engines. It is a Cummins application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 6271-61-1602?
6271-61-1602 interchanges with 3800883, 3800885. All of these refer to the same water pump assembly.
Is 6271-61-1602 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 6271-61-1602 water pump weigh?
One pump weighs 7.70 kg net. A full carton of 2 pieces comes to 16.30 kg gross.
How do I confirm 6271-61-1602 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.
Stock moves fast on this number. Send your inquiry with quantity and destination port for a firm quote.
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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