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Vemo V15-99-1986 Engine Cooling Fan Switch
Engine Cooling Fan Switch for Audi Applications
The Vemo V15-99-1986 engine cooling fan switch is a direct-fit cooling system component for select Audi models. It uses a 2-pin connection, M22x1.5 thread size, and a 95-90°C switch point to control fan operation based on coolant temperature.
Compatible With 1990-1995 Audi 80, Audi 90, and Audi 90 Quattro applications listed below, this VEMO cooling fan temperature switch includes a seal for proper installation at the threaded connection.
Key Features
- Brand: Vemo VEMO
- Part number: V15-99-1986
- Engine cooling fan switch with 2 poles
- Thread size: M22x1.5
- Switch point: 95°C on / 90°C off
- Blue colour coding for identification
- Supplied with seal
- Dimensions: 42.5 mm height, 29 mm length, 29 mm width
Detailed Description
The Vemo V15-99-1986 is an engine cooling fan switch used to trigger radiator fan operation when coolant temperature reaches the specified range. Its 95-90°C switching range, 2-pin electrical design, and M22x1.5 threaded body make it suitable for temperature-controlled cooling system service on Audi 80, Audi 90, and Audi 90 Quattro models listed in the fitment data. The V15-99-1986 is a practical replacement for vehicles that require a threaded fan switch with a seal and blue identification marking.
This part cross-references Four Seasons 75032 and Hayden 2673 for the same application.
What It Is Used For
- Restoring radiator fan activation at the correct coolant temperature
- Replacing a faulty switch that causes fan cycling issues
- Addressing overheating concerns related to fan control
- Correcting delayed fan engagement on temperature-managed cooling systems
- Repairing a worn threaded switch connection with seal support
Installation Notes and Tips
Verify the thread size, connector style, and switch temperature range before installation. The Vemo V15-99-1986 uses an M22x1.5 thread and a 2-pin connector, so the mating harness and housing must match. Clean the mounting surface and inspect the cooling system for leaks before fitting the switch with its seal.
Fits 1990-1991 Audi 90, N/A. Fits 1993-1995 Audi 90 Quattro, N/A. Fits 1990-1992 Audi 80, N/A. Fits 1994-1995 Audi 90, N/A.
Quality Assurance
VEMO replacement parts are cataloged for application-specific fitment and dimensional accuracy. Part number V15-99-1986 is listed with confirmed vehicle coverage for select Audi cooling system applications.
| Brand | Vemo |
|---|---|
| Part Number | V15-99-1986 |
| Position | VEMO |
| Colour Coding | Blue |
| Height [mm] | 42.5 |
| Length [mm] | 29 |
| Number of Poles | 2 |
| Packaging Depth [cm] | 6,8 |
| Packaging height [cm] | 6,7 |
| Packaging width [cm] | 4 |
| Supplementary Article/Supplementary Info | With seal |
| Switch point from [°C] | 95 |
| Switch point to [°C] | 90 |
| Thread Size | M22x1,5 |
| Weight [kg] | 0.067 |
| Width [mm] | 29 |
This part fits 13 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1995 | Audi | 90 | Sport | 2.8L | V6 | N/A | Grade: Aftermarket; Description: With Gasket; Thread Size: M22 x 1,5; Temperature Range (Celsius): 95-90 C; Plug (Connector): 2 Pins; 2-Pin; VEMO |
| 1995 | Audi | 90 | Base | 2.8L | V6 | N/A | Grade: Aftermarket; Description: With Gasket; Thread Size: M22 x 1,5; Temperature Range (Celsius): 95-90 C; Plug (Connector): 2 Pins; 2-Pin; VEMO |
| 1995 | Audi | 90 Quattro | Sport | 2.8L | V6 | N/A | Grade: Aftermarket; Description: With Gasket; Thread Size: M22 x 1,5; Temperature Range (Celsius): 95-90 C; Plug (Connector): 2 Pins; 2-Pin; VEMO |
| 1995 | Audi | 90 Quattro | Base | 2.8L | V6 | N/A | Grade: Aftermarket; Description: With Gasket; Thread Size: M22 x 1,5; Temperature Range (Celsius): 95-90 C; Plug (Connector): 2 Pins; 2-Pin; VEMO |
| 1994 | Audi | 90 | S | 2.8L | V6 | N/A | Grade: Aftermarket; Description: With Gasket; Thread Size: M22 x 1,5; Temperature Range (Celsius): 95-90 C; Plug (Connector): 2 Pins; 2-Pin; VEMO |
| 1994 | Audi | 90 | CS | 2.8L | V6 | N/A | Grade: Aftermarket; Description: With Gasket; Thread Size: M22 x 1,5; Temperature Range (Celsius): 95-90 C; Plug (Connector): 2 Pins; 2-Pin; VEMO |
| 1994 | Audi | 90 Quattro | CS | 2.8L | V6 | N/A | Grade: Aftermarket; Description: With Gasket; Thread Size: M22 x 1,5; Temperature Range (Celsius): 95-90 C; Plug (Connector): 2 Pins; 2-Pin; VEMO |
| 1993 | Audi | 90 Quattro | CS | 2.8L | V6 | N/A | Grade: Aftermarket; Description: With Gasket; Thread Size: M22 x 1,5; Temperature Range (Celsius): 95-90 C; Plug (Connector): 2 Pins; 2-Pin; VEMO |
| 1992 | Audi | 80 | Base | 2.3L | L5 | N/A | Grade: Aftermarket; Description: With Gasket; Thread Size: M22 x 1,5; Temperature Range (Celsius): 95-90 C; Plug (Connector): 2 Pins; 2-Pin; VEMO |
| 1991 | Audi | 80 | Base | 2.3L | L5 | N/A | Grade: Aftermarket; Description: With Gasket; Thread Size: M22 x 1,5; Temperature Range (Celsius): 95-90 C; Plug (Connector): 2 Pins; 2-Pin; VEMO |
| 1991 | Audi | 90 | Base | 2.3L | L5 | N/A | Grade: Aftermarket; Description: With Gasket; Thread Size: M22 x 1,5; Temperature Range (Celsius): 95-90 C; Plug (Connector): 2 Pins; 2-Pin; VEMO |
| 1990 | Audi | 80 | Base | 2.0L | L4 | N/A | Grade: Aftermarket; Description: With Gasket; Thread Size: M22 x 1,5; Temperature Range (Celsius): 95-90 C; Plug (Connector): 2 Pins; 2-Pin; VEMO |
| 1990 | Audi | 90 | Base | 2.3L | L5 | N/A | Grade: Aftermarket; Description: With Gasket; Thread Size: M22 x 1,5; Temperature Range (Celsius): 95-90 C; Plug (Connector): 2 Pins; 2-Pin; VEMO |
* 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.