478405 Compatible Water Pump — Volvo
525.03.0018
Summary
This water pump is engineered for the Volvo N12 with TD122 engines. It ensures reliable coolant circulation within the engine cooling system for heavy commercial vehicle applications, maintaining optimal operating temperatures under high-load conditions. Equivalent to OE Volvo 478405.
| 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, ensuring the continuous circulation of coolant between the engine block and the radiator. Built to withstand high-temperature and high-vibration environments, this component plays a vital role in preventing engine overheating during heavy-duty operation.Vehicle and engine compatibility
This specific unit is designed to fit Volvo N12 trucks equipped with TD122 engines. By maintaining consistent flow rates, it helps stabilize engine temperatures even under extreme thermal loads typical of commercial transport.Installation and maintenance
For optimal performance, technicians should inspect the pump and its drive components during routine belt services. Monitoring for signs such as coolant leaks from the weep hole or unusual bearing noise can help prevent unexpected downtime. Check the compatibility list for precise fitment confirmation.Troubleshooting and inspection
Proper installation ensures that the mechanical seal and impeller function correctly to maintain system pressure and flow efficiency throughout the service interval.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 478405.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 primary function of this water pump?
It acts as a centrifugal-type pump that continuously circulates coolant between the engine block, cylinder head, and radiator to regulate temperature.
Which engines is this part compatible with?
This unit is specifically designed for use in Volvo N12 vehicles featuring TD122 engines.
When should I inspect the water pump?
It is recommended to inspect the pump during every timing belt or alternator belt service to check for leaks or bearing play.
What are common signs of water pump failure?
Watch for coolant leaking from the weep hole, unusual noises from the belt drive, or excessive vibration during operation.
What are the OE reference numbers of this part?
525.03.0018 directly replaces Volvo OE number 478405.