Skip to content

981 Views Updated

0103 141 Volvo Compatible Thermostat Cover

0103 141

Summary

This high-strength thermostat cover is designed for heavy commercial vehicle cooling systems. It is compatible with Volvo engines including D12C, D12D, and D16C, ensuring a secure seal within the engine block to maintain optimal temperature regulation. Equivalent to OE Volvo 477905.

Product identifiers
EAN Code8699031081489
Ready to Order
Get Information

Compatible OEM Codes

  • VOLVO
    • 477905

Description

What does a thermostat cover do?

A thermostat cover is a critical component in a heavy-duty commercial vehicle's cooling system that closes off the thermostat pocket and bolts to the engine block with a sealed joint. Its primary function is to hold the thermostat firmly in place and prevent coolant from escaping the circuit. In many applications, this component also serves as the mounting point for the coolant temperature sensor or switch.

Vehicle and engine compatibility

This specific thermostat cover is compatible with various Volvo models and engines, including the FH12, FH16, FM12, and VNL series, as well as Renault Trucks Magnum with DXi12 engines. It is also fitted to Volvo F10, F12, FL10, FL12, FM10, NH12, NL10, NL12, VHD, B10B, B10M, and B12 models across their respective engine configurations like TD102 or D10A.

Maintenance and installation guidance

For professional workshop technicians and fleet managers, regular inspection of the cover and its sealing surface is essential. When the cover or its gasket fails, symptoms such as coolant leaks, air locks in the system, or engine temperature imbalances can occur. Ensuring a precise fitment during installation helps prevent these critical cooling failures.

Troubleshooting cooling issues

Check the compatibility list to ensure this part meets your specific engine requirements.

OE cross-reference

0103 141 (Thermostat Cover Thermostats) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 477905.

Other OEMs

VOLVO

  • 477905

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
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 cover seals the thermostat pocket against the engine block to keep coolant inside the system and holds the thermostat in its correct position.
Which Volvo engines are compatible with this part?
This part fits various engines including Volvo D12C, D12D, D16C, D10A, TD122, and TD103 engines used in heavy trucks.
How can I identify if my thermostat cover needs replacement?
Look for signs of coolant leakage around the engine block or symptoms of temperature instability caused by air locks in the cooling circuit.
Is this part suitable for heavy commercial vehicles?
Yes, this component is engineered specifically for heavy-duty applications in trucks such as Volvo FH and FM series and Renault Trucks.
What are the OE reference numbers of this part?
0103 141 directly replaces Volvo OE number 477905.