Vemo
VEMO

Vemo V15-99-1986 Engine Cooling Fan Switch

Brand Vemo V15-99-1986
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
Product line VEMO
Fits Audi · 13 vehicles

Cooling fan switch. Controls fan operation to help manage engine temperature.

With seal. Includes a seal for a more secure, leak-resistant fit.

Blue-coded design. Makes identification quick during service and installation.

Cross-references BBB Industries 8443, Dorman - HELP 82633 and Four Seasons 75032 for the same application. See all 28.

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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.

This part fits 13 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersNotes
1995Audi90Sport2.8LV6Grade: Aftermarket; Description: With Gasket; Thread Size: M22 x 1,5; Temperature Range (Celsius): 95-90 C; Plug (Connector): 2 Pins; 2-Pin; VEMO
1995Audi90Base2.8LV6Grade: Aftermarket; Description: With Gasket; Thread Size: M22 x 1,5; Temperature Range (Celsius): 95-90 C; Plug (Connector): 2 Pins; 2-Pin; VEMO
1995Audi90 QuattroSport2.8LV6Grade: Aftermarket; Description: With Gasket; Thread Size: M22 x 1,5; Temperature Range (Celsius): 95-90 C; Plug (Connector): 2 Pins; 2-Pin; VEMO
1995Audi90 QuattroBase2.8LV6Grade: Aftermarket; Description: With Gasket; Thread Size: M22 x 1,5; Temperature Range (Celsius): 95-90 C; Plug (Connector): 2 Pins; 2-Pin; VEMO
1994Audi90S2.8LV6Grade: Aftermarket; Description: With Gasket; Thread Size: M22 x 1,5; Temperature Range (Celsius): 95-90 C; Plug (Connector): 2 Pins; 2-Pin; VEMO
1994Audi90CS2.8LV6Grade: Aftermarket; Description: With Gasket; Thread Size: M22 x 1,5; Temperature Range (Celsius): 95-90 C; Plug (Connector): 2 Pins; 2-Pin; VEMO
1994Audi90 QuattroCS2.8LV6Grade: Aftermarket; Description: With Gasket; Thread Size: M22 x 1,5; Temperature Range (Celsius): 95-90 C; Plug (Connector): 2 Pins; 2-Pin; VEMO
1993Audi90 QuattroCS2.8LV6Grade: Aftermarket; Description: With Gasket; Thread Size: M22 x 1,5; Temperature Range (Celsius): 95-90 C; Plug (Connector): 2 Pins; 2-Pin; VEMO
1992Audi80Base2.3LL5Grade: Aftermarket; Description: With Gasket; Thread Size: M22 x 1,5; Temperature Range (Celsius): 95-90 C; Plug (Connector): 2 Pins; 2-Pin; VEMO
1991Audi80Base2.3LL5Grade: Aftermarket; Description: With Gasket; Thread Size: M22 x 1,5; Temperature Range (Celsius): 95-90 C; Plug (Connector): 2 Pins; 2-Pin; VEMO
1991Audi90Base2.3LL5Grade: Aftermarket; Description: With Gasket; Thread Size: M22 x 1,5; Temperature Range (Celsius): 95-90 C; Plug (Connector): 2 Pins; 2-Pin; VEMO
1990Audi80Base2.0LL4Grade: Aftermarket; Description: With Gasket; Thread Size: M22 x 1,5; Temperature Range (Celsius): 95-90 C; Plug (Connector): 2 Pins; 2-Pin; VEMO
1990Audi90Base2.3LL5Grade: Aftermarket; Description: With Gasket; Thread Size: M22 x 1,5; Temperature Range (Celsius): 95-90 C; Plug (Connector): 2 Pins; 2-Pin; VEMO
Directly replaces or cross-references 28 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BBB Industries — 8443Dorman - HELP — 82633Four Seasons — 75032Gates — 36370Gates — 370030Hayden — 26731S44216ZT007801011811 959 481893 959 481330297602495D752009N81341081441082030499902756811959481813410325862553095893959481BTS65094SRF046SW585TS218TS606TSW9DXEFS53