Genuine 99661610100 Engine Cooling Fan Resistor

Brand Genuine 99661610100
Fits Porsche · 28 vehicles

OE direct replacement. Engine cooling fan resistor for straightforward service replacement.

Engine cooling fan resistor helps regulate fan speed for consistent cooling control.

$278.42Free shipping
In stock · usually ships same day before 1pm CST
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Porsche 911 and Boxster Cooling Fan Resistor

This Genuine engine cooling fan resistor, part number 99661610100, is a direct-fit replacement for select Porsche cooling fan systems. It is used on Porsche 911 and Porsche Boxster applications where fan speed control is required for proper engine cooling.

Key Features

  • Genuine OE replacement engine cooling fan resistor
  • Part number 99661610100 for accurate ordering and service matching
  • Fits 1999-2009 Porsche 911 applications
  • Fits 1997-2004 Porsche Boxster applications
  • Fits 2004-2005 Porsche 911 naturally aspirated engines
  • Fits 2002 Porsche 911, excluding C4S

Detailed Description

The 99661610100 cooling fan resistor helps regulate fan operation in Porsche cooling systems by supporting the correct fan speed response. This Genuine replacement is listed for multiple Porsche 911 model years, including 1999-2009 Porsche 911, plus 2004-2005 Porsche 911 naturally aspirated engines and 2002 Porsche 911 excluding C4S. It also fits 1997-2004 Porsche Boxster applications. Use this part when servicing a Porsche 911 or Porsche Boxster cooling circuit that requires the correct engine cooling fan resistor specification.

What This Part Helps Address

  • Cooling fan running at the wrong speed
  • Loss of fan speed control in the cooling circuit
  • Overheating concerns tied to fan resistor failure
  • Intermittent fan operation on Porsche 911 or Boxster models
  • Electrical resistance issues in the fan control path

Installation Notes and Tips

Verify the part number 99661610100 against the original resistor before installation. Confirm vehicle configuration carefully, especially on 2004-2005 Porsche 911 naturally aspirated engines and 2002 Porsche 911 models excluding C4S. Inspect the fan connector, wiring, and surrounding cooling components for heat damage or corrosion before installing the replacement resistor.

Quality Assurance

Genuine OE-style replacement part for Porsche cooling system service. This part cross-references no additional part numbers in the provided data.

This part fits 28 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2009Porsche911Carrera 43.6LH6N/A
2009Porsche911Carrera 4N/A
2008Porsche911Carrera 43.6LH6N/A
2007Porsche911Carrera 43.6LH6N/A
2006Porsche911Carrera 43.6LH6N/A
2005Porsche9113.6LH6N/AFits naturally aspirated engines.
2005Porsche911Carrera3.6LH6N/A
2004Porsche9113.6LH6N/AFits naturally aspirated engines.
2004Porsche911Carrera3.6LH6N/A
2004Porsche911Carrera 4S3.6LH6N/A
2004PorscheBoxsterN/A
2003Porsche911Carrera3.6LH6N/A
2003Porsche9113.6LH6N/A
2003Porsche911Carrera 43.6LH6N/A
2003PorscheBoxsterN/A
2002Porsche911Carrera3.6LH6N/A
2002Porsche911Carrera 43.6LH6N/AExc. C4S
2002Porsche911Carrera 4S3.6LH6N/AExc. C4S
2002PorscheBoxsterN/A
2001Porsche9113.6LH6N/A
2001Porsche9113.4LH6N/A
2001PorscheBoxsterN/A
2000Porsche911N/A
2000PorscheBoxsterN/A
1999Porsche911N/A
1999PorscheBoxsterN/A
1998PorscheBoxsterN/A
1997PorscheBoxsterN/A