0103 305 Volvo Compatible Thermostat Cover
0103 305
Summary
This heavy-duty thermostat cover is designed for precise fitment in the cooling systems of Volvo and Renault Trucks. It ensures the thermostat remains securely seated within the engine block to maintain optimal coolant circulation and temperature control. Equivalent to OE Volvo 3979076.
| EAN Code | 8683457040786 |
|---|
Ready to Order
Compatible OEM Codes
-
VOLVO
- 477905
- 471822
- 471784
- 420758
- 3979076
Description
What does a thermostat cover do?
This thermostat cover is a critical component within the cooling system of heavy-duty commercial vehicles. It serves to seal the thermostat pocket, bolting directly to the engine block to prevent coolant leakage and ensure the thermostat remains firmly in place. In many engine applications, this component also provides the mounting point for coolant temperature sensors.Compatible vehicles and engines
This part is engineered for compatibility with a wide range of heavy-duty engines, including several Volvo models such as the F10, F12, FH12, FH16, FL10, FL12, FM10, FM12, NH12, NL10, NL12, VHD, VNL, B10B, B10M, and B12. It is also suitable for Renault Trucks Magnum equipped with DXi12 engines. Verifying engine codes like D10A or D12C ensures correct fitment.Maintenance and installation
To maintain engine safety, it is vital to inspect the cover and its sealing surfaces regularly. A failure in this component can lead to coolant leaks or air locks within the circuit. When performing maintenance, ensure the mounting surfaces are clean to allow for a high-strength seal that prevents temperature imbalances during heavy-duty operation.Troubleshooting cooling system leaks
Check the compatibility list.OE cross-reference
0103 305 (Thermostat Cover Thermostats) is the equivalent of the Volvo OE numbers. This part directly replaces Volvo OE numbers 3979076, 420758, 471784, 471822, 477905.Other OEMs
VOLVO
- 477905
- 471822
- 471784
- 420758
- 3979076
Related Products
Repair Kits
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| RENAULT TRUCKS | Magnum | DXi12 | |
| VOLVO | |||
| VOLVO | B10B | D10A | |
| VOLVO | B10M | D10A | |
| VOLVO | B12 | D12A | |
| VOLVO | F10 | TD102 | |
| VOLVO | F12 | TD122 | |
| VOLVO | FH12 | D12C | |
| VOLVO | FH12 | D12D | |
| VOLVO | FH16 | D16C | |
| VOLVO | FL10 | D10A | |
| VOLVO | FL10 | TD102 | |
| VOLVO | FL10 | TD103 | |
| VOLVO | FL12 | TD122 | |
| VOLVO | FL12 | TD123 | |
| VOLVO | FM10 | D10A | |
| VOLVO | FM12 | D12C | |
| VOLVO | FM12 | D12D | |
| VOLVO | NH12 | D12C | |
| VOLVO | NL10 | D10A | |
| VOLVO | NL12 | D12A | |
| VOLVO | VHD | D12 | |
| VOLVO | VNL | D12 |
FAQ
What is the function of a thermostat cover?
The thermostat cover seals the thermostat pocket against the engine block, ensuring coolant stays within the circuit while holding the thermostat securely in position.
Which vehicle brands are compatible with this part?
This component is designed for heavy-duty vehicles including Volvo and Renault Trucks models such as FH, FM, FL, and Magnum.
How can I know if my thermostat cover needs replacement?
Signs of failure include visible coolant leaks around the engine block or unexpected engine temperature fluctuations caused by air locks.
Is it important to check engine codes before ordering?
Yes, verifying specific engine codes like D12C or D10A ensures that the cover provides an exact fit for your specific heavy-duty engine application.
What are the OE reference numbers of this part?
0103 305 directly replaces Volvo OE numbers 3979076, 420758, 471784, 471822, 477905.