422791 Compatible Water Pump — Volvo
525.03.0018
Summary
This high-strength water pump is engineered for Volvo NL12 engines to ensure reliable coolant circulation. Designed for heavy commercial vehicle engine cooling systems to withstand continuous high-load operating conditions. Equivalent to OE Volvo 422791.
| EAN Code | 8699031077314 |
|---|
Ready to Order
Compatible OEM Codes
-
VOLVO
- 8149937
- 8113431
- 8113157
- 8112683
- 8112523
- 8112520
- 5002225
- 479931
- 478845
- 478405
- 422791
- 3184802
- 20431484
- 1699790
- 1699786
- 1698620
- 1675945
- 1545261
Description
What does a water pump do?
This water pump serves as a critical component within the engine cooling system, facilitating the continuous circulation of coolant between the engine block and the radiator. By maintaining consistent flow, it prevents engine overheating and ensures stable operating temperatures during heavy-duty service cycles.Vehicle and engine compatibility
This component is specifically fitted to Volvo NL12 trucks equipped with D12A engines. It is engineered to meet the rigorous demands of heavy commercial vehicle applications, providing a reliable replacement for original equipment components.Installation and maintenance
For optimal performance, technicians should inspect the pump during routine belt or timing belt service intervals. When replacing the unit, it is essential to ensure all mounting surfaces are clean and that the cooling system is properly bled to prevent air pockets in the circuit.Troubleshooting and inspection
Monitoring for signs such as coolant leaks from the weep hole or unusual bearing noise can help prevent unexpected engine downtime. Always verify engine compatibility before installation.OE cross-reference
525.03.0018 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 422791.Other OEMs
VOLVO
- 8149937
- 8113431
- 8113157
- 8112683
- 8112523
- 8112520
- 5002225
- 479931
- 478845
- 478405
- 422791
- 3184802
- 20431484
- 1699790
- 1699786
- 1698620
- 1675945
- 1545261
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| VOLVO | B10B | D10A | |
| VOLVO | B10M | D10A | |
| VOLVO | B10M | TD100 | |
| VOLVO | B12 | D12A | |
| VOLVO | B12 | TD120 | |
| VOLVO | F10 | TD100 | |
| VOLVO | F10 | TD101 | |
| VOLVO | F10 | TD102 | |
| VOLVO | F12 | TD120 | |
| VOLVO | F12 | TD121 | |
| VOLVO | F12 | TD122 | |
| VOLVO | F7 | TD70 | |
| VOLVO | F7 | TD71 | |
| VOLVO | FL10 | D10A | |
| VOLVO | FL10 | TD102 | |
| VOLVO | FL10 | TD103 | |
| VOLVO | FL12 | TD122 | |
| VOLVO | FL12 | TD123 | |
| VOLVO | FM10 | FM 10/320 | |
| VOLVO | FM10 | FM 10/360 | |
| VOLVO | N10 | TD100 | |
| VOLVO | N10 | TD101 | |
| VOLVO | N12 | TD120 | |
| VOLVO | N12 | TD122 | |
| VOLVO | NL10 | D10A | |
| VOLVO | NL12 | D12A |
FAQ
What is the function of this water pump?
The water pump circulates coolant through the engine block and radiator to maintain optimal operating temperatures in heavy commercial vehicle engines.
Which engines is this part compatible with?
This specific unit is designed for use in Volvo NL12 vehicles powered by D12A engines.
How can I identify a failing water pump?
Common indicators of failure include coolant leaking from the weep hole, unusual mechanical noise, or visible bearing play during inspection.
When should the water pump be replaced?
It is recommended to inspect or renew the water pump during scheduled timing belt or alternator belt service intervals to prevent overheating.
What are the OE reference numbers of this part?
525.03.0018 directly replaces Volvo OE number 422791.