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Facet 7.5104 Engine Cooling Fan Switch
Engine Cooling Fan Switch for Classic Mercedes-Benz and Volvo
Facet 7.5104 is an engine cooling fan switch for select Mercedes-Benz and Volvo applications. It is used in radiator-hose-mounted coolant temperature sensor locations on several Volvo models and supports temperature-based fan control in the cooling system.
Key Features
- Facet engine cooling fan switch, part number 7.5104
- Fits select Mercedes-Benz and Volvo vehicles from 1981-1989
- Used in radiator hose coolant temperature sensor locations on listed Volvo applications
- Direct-fit cooling system switch for temperature-based fan operation
- Relevant for classic Mercedes-Benz 300SDL, 380SL, 560SL, and Volvo 740, 760, 780 applications
Fitment Details
- Fits 1989 Mercedes-Benz 560SL, N/A.
- Fits 1987 Mercedes-Benz 300SDL, N/A.
- Fits 1981-1985 Mercedes-Benz 380SL, N/A.
- Fits 1984 Mercedes-Benz 500SEL, N/A.
- Fits 1981 Mercedes-Benz 380SLC, N/A.
- Fits 1983-1989 Volvo 760, N/A. Engine Coolant Temperature Sensor fits in the location of the radiator hose.
- Fits 1988-1989 Volvo 780, N/A. Engine Coolant Temperature Sensor fits in the location of the radiator hose.
- Fits 1985-1987 Volvo 740, N/A.
- Fits 1985 Volvo 745, N/A.
- Fits 1984 Volvo DL, N/A.
- Fits 1984 Volvo GLE, N/A.
Common Replacement Reasons
- Cooling fan does not switch on at the correct temperature
- Engine temperature runs higher than normal in traffic or idle conditions
- Intermittent fan operation caused by a worn temperature switch
- Fault codes or drivability concerns tied to coolant temperature sensing
- Radiator-hose-mounted sensor replacement on listed Volvo applications
Installation Notes
Verify the original switch location and connector style before installation. On the listed Volvo applications, the engine coolant temperature sensor fits in the radiator hose location, so confirm hose routing and sensor placement during service. Use the vehicle service manual for the correct cooling-system procedure and refill/bleed steps after replacement.
Quality Assurance
Facet is a recognized aftermarket brand for electrical and engine management components. Part number 7.5104 is built for the listed Mercedes-Benz and Volvo applications and should be matched to the original part by vehicle year, model, and sensor location.
This part fits 24 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1989 | Mercedes-Benz | 560SL | N/A | |
| 1989 | Volvo | 760 | N/A | Engine Coolant Temperature Sensor fits in the location of the radiator hose. |
| 1989 | Volvo | 780 | N/A | Engine Coolant Temperature Sensor fits in the location of the radiator hose. |
| 1988 | Volvo | 760 | N/A | Engine Coolant Temperature Sensor fits in the location of the radiator hose. |
| 1988 | Volvo | 780 | N/A | Engine Coolant Temperature Sensor fits in the location of the radiator hose. |
| 1987 | Mercedes-Benz | 300SDL | N/A | |
| 1987 | Volvo | 740 | N/A | |
| 1987 | Volvo | 760 | N/A | Engine Coolant Temperature Sensor fits in the location of the radiator hose. |
| 1986 | Volvo | 740 | N/A | |
| 1986 | Volvo | 760 | N/A | Engine Coolant Temperature Sensor fits in the location of the radiator hose. |
| 1985 | Mercedes-Benz | 380SL | N/A | |
| 1985 | Volvo | 740 | N/A | |
| 1985 | Volvo | 745 | N/A | |
| 1985 | Volvo | 760 | N/A | Engine Coolant Temperature Sensor fits in the location of the radiator hose. |
| 1984 | Mercedes-Benz | 380SL | N/A | |
| 1984 | Mercedes-Benz | 500SEL | N/A | |
| 1984 | Volvo | 760 | N/A | Engine Coolant Temperature Sensor fits in the location of the radiator hose. |
| 1984 | Volvo | DL | N/A | |
| 1984 | Volvo | GLE | N/A | |
| 1983 | Mercedes-Benz | 380SL | N/A | |
| 1983 | Volvo | 760 | N/A | Engine Coolant Temperature Sensor fits in the location of the radiator hose. |
| 1982 | Mercedes-Benz | 380SL | N/A | |
| 1981 | Mercedes-Benz | 380SL | N/A | |
| 1981 | Mercedes-Benz | 380SLC | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.