Hanchi Auto Parts
21812242 Water Pump Suitable for Volvo RENAULT TRUCK VOLVO BUS High Quality
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The OE number 21812242 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 21812242 water pump?
The OE application list reads: RENAULT TRUCK; VOLVO BUS; VOLVO TRUCK; pulley 147.5mm.
When in doubt, compare the old pump pulley height against our spec table below — it settles most fitment questions.
What are the specifications of 21812242?
| Parameter | Value |
| OE number | 21812242 |
| 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 |
What part numbers interchange with 21812242?
One pump, many part numbers. The full cross list:
- 20921917
- 20921947
- 20921951
- 21618716
- 21643286
- 21648712
- 21648716
- 21781059
- 21812257
- 21941088
- 21969187
- 21974080
- 7421072414
- 7421648716
- 7421781059
- 7421812242
- 7421812257
- 7421969188
- 7421974078
- 85020130
Packing and quality checks
Logistics data: 2 pcs/ctn, 13.50 kg gross, 51.5 x 29 x 26 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 21812242 fit?
21812242 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 21812242?
21812242 interchanges with 20921917, 20921947, 20921951, 21618716, 21643286, 21648712 and 14 more. All of these refer to the same water pump assembly.
Is 21812242 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 21812242 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 21812242 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.
Bulk pricing starts at one carton. Ask for a quote with your target quantity.
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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