Hanchi Auto Parts
21974080 Water Pump Suitable for Volvo RENAULT TRUCK VOLVO BUS High Quality
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The OE number 21974080 identifies a water pump fitted to RENAULT TRUCK, VOLVO BUS, VOLVO TRUCK and other listed engines. We stock a direct replacement built to the same shaft and pulley heights. One pump weighs 5.60 kg; a full carton holds 2.
Which engines use the 21974080 water pump?
This pump was designed for RENAULT TRUCK; VOLVO BUS; VOLVO TRUCK; pulley 147.5mm.
Match your engine model to the list and the pump will fit without rework.
What part numbers interchange with 21974080?
Parts books from different markets list this pump under several numbers. All of them point to the same unit:
- 20921917
- 20921947
- 20921951
- 21618716
- 21643286
- 21648712
- 21648716
- 21781059
- 21812242
- 21812257
- 21941088
- 21969187
- 7421072414
- 7421648716
- 7421781059
- 7421812242
- 7421812257
- 7421969188
- 7421974078
- 85020130
What are the specifications of 21974080?
| Parameter | Value |
| OE number | 21974080 |
| Fits brand | Volvo |
| TO Flange height | 99.1 |
| Flange jumping | 0.07 |
| TO Impeller height Ⅰ | 1.3 |
| 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 |
| Net weight of one | 5.60 |
| Units per Carton | 2 |
| Gross Weight | 13.50 |
| Measurement | 51.5 x 29 x 26 cm |
| Net weight | 5.60 kg |
| Packing | 2 pcs/ctn, 13.50 kg gross |
Packing and quality checks
Packing runs 2 pumps per carton, 13.50 kg gross weight, carton size 51.5 x 29 x 26 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 21974080 fit?
21974080 fits RENAULT TRUCK, VOLVO BUS, VOLVO TRUCK and other listed engines. It is a Volvo application water pump, and our aftermarket unit replaces it directly.
What other part numbers replace 21974080?
21974080 interchanges with 20921917, 20921947, 20921951, 21618716, 21643286, 21648712 and 14 more. All of these refer to the same water pump assembly.
Is 21974080 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 21974080 water pump weigh?
One pump weighs 5.60 kg net. A full carton of 2 pieces comes to 13.50 kg gross.
How do I confirm 21974080 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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