Hanchi Auto Parts
3975684 Water Pump Suitable for Perkins C7.1 C4.4 High Quality
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The OE number 3975684 identifies a water pump fitted to Cat336GC, C7.1, C4.4 and other listed engines. We stock a direct replacement built to the same shaft and pulley heights. One pump weighs 7.20 kg; a full carton holds 2.
Which engines use the 3975684 water pump?
The OE application list reads: Cat336GC; C7.1; C4.4; C6.6.
When in doubt, compare the old pump pulley height against our spec table below — it settles most fitment questions.
What part numbers interchange with 3975684?
Dealers and fleet systems quote this pump under more than one OE number:
- 1204E-E44TA
- 1204E-E44TTA
- 1206E-E66TA
- 1206F-E70TA
- 3801659
- T413421
What are the specifications of 3975684?
| Parameter | Value |
| OE number | 3975684 |
| Fits brand | Perkins |
| TO Impeller height Ⅱ | 4.5 |
| TO Shaft head height | 49.5 |
| Mounting hole position | Aligned to OE mounting points |
| Threads on the pump body | ZG1/2 |
| TO Gear height | 35.6 |
| 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 | 18 |
| Net weight of one | 7.20 |
| Units per Carton | 2 |
| Net weight | 7.20 kg |
| Packing | 2 pcs/ctn, 16.50 kg gross |
Packing and quality checks
For shipping estimates, count on 2 pumps per carton (16.50 kg, 59 x 38 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 3975684 fit?
3975684 fits Cat336GC, C7.1, C4.4 and other listed engines. It is a Perkins application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 3975684?
3975684 interchanges with 1204E-E44TA, 1204E-E44TTA, 1206E-E66TA, 1206F-E70TA, 3801659, T413421. All of these refer to the same water pump assembly.
Is 3975684 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 3975684 water pump weigh?
One pump weighs 7.20 kg net. A full carton of 2 pieces comes to 16.50 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.


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