478405 Compatible Water Pump — Volvo NL12
525.03.0018
Summary
This high-strength water pump is specifically designed for Volvo NL12 trucks featuring D12A engines. It functions as a critical component within the engine cooling system to ensure reliable thermal management under heavy-duty operating conditions. Consult your authorized distributor for fitment details. 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 vital component in the engine cooling system, facilitating the continuous circulation of coolant between the engine block and the radiator. By maintaining steady flow, it prevents engine overheating and ensures stable operating temperatures during intensive heavy commercial vehicle tasks.Vehicle and engine compatibility
This specific unit is engineered for use in Volvo NL12 trucks equipped with D12A engines. It is designed to meet the high-load requirements of heavy commercial vehicle engines, ensuring durability against vibration and temperature fluctuations common in truck and construction machinery applications.Installation and maintenance
For optimal performance, technicians should inspect the pump during routine belt service or when signs of coolant leakage appear. Proper installation ensures the mechanical seal and bearing set function correctly under high-load conditions, maintaining the integrity of the entire cooling circuit.Troubleshooting guidance
Check the compatibility list to confirm fitment for your specific engine configuration.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?
This pump circulates coolant through the engine block and radiator to prevent overheating in heavy commercial vehicles.
Which vehicles is this part compatible with?
This unit is designed specifically for Volvo NL12 trucks utilizing the D12A engine code.
What are common signs of water pump failure?
Technicians should watch for coolant leaks from the weep hole, unusual bearing noise, or visible play in the shaft.
When should I replace the water pump?
It is recommended to inspect or renew the water pump during timing belt or alternator belt service intervals.
What are the OE reference numbers of this part?
525.03.0018 directly replaces Volvo OE number 478405.