Porsche Ignition Lock Switch / Cylinder Set w/ Key 99653800104

Porsche Part #: 996-538-001-04 (99653800104)

This page covers one exact OEM part number. Every unit we stocked has sold.

Programming required: this module must be coded to your VIN by a dealer or with the proper diagnostic tool before it will work.

We may be able to get another

Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:

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The OEM Ignition Lock Switch/Cylinder Set with Key (Part Number 99653800104) is an essential component for ensuring reliable function in your Porsche models, including the 911 (1998-2005) and Boxster (1998-2004). This part is critical for starting your vehicle, providing a secure connection to the ignition system. Over time, wear or damage can lead to ignition failure, leaving you unable to start your car. By replacing a worn or malfunctioning lock cylinder, you restore optimal performance and security. Designed specifically for vehicles equipped with option codes 534 or 535, this genuine manufacturer part is sourced from salvage operations, ensuring factory-quality standards for your Porsche.

Specifications

Specifications for Ignition Lock Switch / Cylinder Set w/ Key 99653800104
Fits Vehicle Model911, Boxster
Fits Vehicle MakePorsche
Porsche Part No996-538-001-04 (99653800104)
CategorySteering Wheel / Parts

Compatible Vehicles

Fits 40 vehicle configurations across 1 make, 1998-2005.

Check your specific vehicle before ordering. This list shows year, make, and model. Some years have multiple trims or engines that use different parts, and individual listings may have additional fitment notes (e.g. “with sunroof only”). Review the full variant list below, or message us with your VIN and we’ll confirm the match.

Porsche

  • 911 1998-2005 · 28 variants
  • Boxster 1998-2004 · 12 variants
View all 40 vehicle configurations
Full vehicle fitment list for Ignition Lock Switch / Cylinder Set w/ Key 99653800104
Year Make Model Trim Engine Note
1998 Porsche 911 Carrera 4 Convertible 3.6L
1998 Porsche 911 Carrera 4 Coupe 3.6L
1998 Porsche 911 Carrera 4S Coupe 3.6L
1998 Porsche 911 Carrera Convertible 3.6L
1998 Porsche 911 Carrera S Coupe 3.6L
1998 Porsche 911 Targa 3.6L
1998 Porsche Boxster Convertible 2.5L
1999 Porsche 911 Carrera 4 Convertible 3.4L
1999 Porsche 911 Carrera 4 Coupe 3.4L
1999 Porsche 911 Carrera Convertible 3.4L
1999 Porsche 911 Carrera Coupe 3.4L
1999 Porsche Boxster Convertible 2.5L
2000 Porsche 911 Carrera 4 Convertible 3.4L
2000 Porsche 911 Carrera 4 Coupe 3.4L
2000 Porsche 911 Carrera Convertible 3.4L
2000 Porsche 911 Carrera Coupe 3.4L
2000 Porsche Boxster Roadster Convertible 2.7L
2000 Porsche Boxster Roadster S Convertible 3.2L
2001 Porsche 911 Carrera 4 Convertible 3.4L
2001 Porsche 911 Carrera 4 Coupe 3.4L
2001 Porsche 911 Carrera Convertible 3.4L
2001 Porsche 911 Carrera Coupe 3.4L
2001 Porsche 911 Turbo Coupe 3.6L Turbo
2001 Porsche Boxster Roadster Convertible 2.7L
2001 Porsche Boxster Roadster S Convertible 3.2L
2002 Porsche 911 Carrera 4 Convertible 3.6L
2002 Porsche 911 Carrera 4S Coupe 3.6L
2002 Porsche 911 Carrera Convertible 3.6L
2002 Porsche 911 Carrera Coupe 3.6L
2002 Porsche 911 GT2 Coupe 3.6L Turbo
2002 Porsche 911 Targa 3.6L
2002 Porsche 911 Turbo Coupe 3.6L Turbo
2002 Porsche Boxster Roadster Convertible 2.7L
2002 Porsche Boxster Roadster S Convertible 3.2L
2003 Porsche Boxster Roadster Convertible 2.7L
2003 Porsche Boxster Roadster S Convertible 3.2L
2004 Porsche 911 GT3 Coupe 3.6L
2004 Porsche Boxster Convertible 2.7L
2004 Porsche Boxster S Convertible 3.2L
2005 Porsche 911 GT3 Coupe 3.6L

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