Hanchi Auto Parts
21781059 Water Pump Suitable for Volvo RENAULT TRUCK VOLVO BUS High Quality
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If your parts book shows 21781059, you need a water pump for RENAULT TRUCK, VOLVO BUS, VOLVO TRUCK and other listed engines. Ours is a matching replacement — same mounting holes, same belt pulley height, pressure-tested before packing. Related OE numbers include 20921917, 20921947, 20921951, 21618716, 21643286 and 15 more.
Which engines use the 21781059 water pump?
Fitment covers RENAULT TRUCK; VOLVO BUS; VOLVO TRUCK; pulley 147.5mm.
Any engine on this list takes our replacement as a straight swap.
What are the specifications of 21781059?
| Parameter | Value |
| OE number | 21781059 |
| 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 21781059?
Dealers and fleet systems quote this pump under more than one OE number:
- 20921917
- 20921947
- 20921951
- 21618716
- 21643286
- 21648712
- 21648716
- 21812242
- 21812257
- 21941088
- 21969187
- 21974080
- 7421072414
- 7421648716
- 7421781059
- 7421812242
- 7421812257
- 7421969188
- 7421974078
- 85020130
Packing and quality checks
Each pump is packed individually; a master carton holds 2 pieces at 13.50 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 21781059 fit?
21781059 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 21781059?
21781059 interchanges with 20921917, 20921947, 20921951, 21618716, 21643286, 21648712 and 14 more. All of these refer to the same water pump assembly.
Is 21781059 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 21781059 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 21781059 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.
OEM Avalible
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