Fuel Cap Seal. Porsche 986 / 987 / 993 / 996 / 997  ❭  191201557

Fuel Cap Seal.
Restore a secure seal between the fuel cap and filler neck with this Genuine Porsche Fuel Cap Seal, manufactured to Porsche's original equipment specification and supplied under part number 191201557. This precision-engineered rubber seal is designed to prevent fuel vapour leaks while maintaining the integrity of the vehicle's fuel system and evaporative emissions control.

Fits:

• Porsche Boxster 986 2.5L 1997-99
• Porsche Boxster 986 2.7L 1999-02
• Porsche Boxster S 986 3.2L 1999-02
• Porsche Boxster 986 2.7L 2003-04
• Porsche Boxster S 986 3.2L 2003-04
• Porsche Boxster 987 2.7L 2005-08/08
• Porsche Boxster 987 S 3.2/3.4L 2005-08/08
• Porsche Boxster 987 MKII 2.9L 2009-12
• Porsche Boxster S 987 MKII 3.4L 2009-12
• Porsche 993 (911) C2 1994-97
• Porsche 993 (911) C4 1994-97
• Porsche 993 (911) RS 1994-97
• Porsche 993 (911) C2S 1994-97
• Porsche 993 (911) C4S 1994-97
• Porsche 993 (911) TURBO 1994-96
• Porsche 993 (911) GT2 1994-97
• Porsche 993 (911) TURBO S 1994-97
• Porsche 996 C2 3.4L 1997-08/01
• Porsche 996 C4 3.4L 1997-08/01
• Porsche 996 C2 3.6L 09/01-2005
• Porsche 996 C4 3.6L 09/01-2005
• Porsche 996 C4S 3.6L 09/01-2005
• Porsche 996 TURBO 2000-05
• Porsche 996 GT2 2001-05
• Porsche 996 GT3 MKI 1999-02
• Porsche 996 GT3 MKII 2003>>
• Porsche 996 GT3 RS 2003-04
• Porsche 997 MK1 Carrera 2 3.6L 2005-08
• Porsche 997 MK1 Carrera 2S 3.8L 2005-08
• Porsche 997 MK1 Carrera 4 3.6L 2005-08
• Porsche 997 MK1 Carrera 4S 3.8L 2005-08
• Porsche 997 MK1 TURBO 2007-09
• Porsche 997 MK1 GT3 / GT3 RS 2007-09
• Porsche 997 MK1 GT2 2007-09
• Porsche 997 MKII Carrera C2 3.6L 2009-12
• Porsche 997 MKII Carrera C4 3.6L 2009-12
• Porsche 997 MKII Carrera C2S 3.8L 2009-12
• Porsche 997 MKII Carrera C4S 3.8L 2009-12
• Porsche 997 MKII GT3 / GT3 RS 2010-11
• Porsche 997 MKII Turbo 2010-13
• Porsche 997 MKII GT2 RS 2011-13
• Porsche Cayman 2.7L 987C 2006-08
• Porsche Cayman S 3.4L 987C 2005-08
• Porsche Cayman 2.9L 987C MKII 2009-12
• Porsche Cayman S / R 3.4L 987C MKII 2009-12
• Porsche Carrera GT 2003-06 

 
Diagram Ref No 15

The fuel cap seal is a simple but essential component that creates an airtight seal when the fuel cap is tightened. Over time, exposure to fuel, heat, and environmental conditions can cause the original rubber seal to harden, crack, flatten, or lose its elasticity. Replacing the seal restores the correct sealing performance, helping to prevent fuel vapour loss, reduce the risk of contamination entering the fuel system, and maintain the proper operation of the EVAP system.  

What This Product Does:

• Creates an airtight seal between the fuel cap and filler neck.
• Helps prevent fuel vapour leaks.
• Supports the correct operation of the EVAP emissions system.
• Prevents dirt and moisture from entering the fuel tank.
• Maintains correct fuel system pressure where applicable.
• Restores reliable sealing performance.
• Delivers Genuine Porsche fit, quality, and durability.

Symptoms Of Wear Or Failure:

• Cracked, hardened, or flattened fuel cap seal.
• Fuel smell around the filler area.
• Fuel vapour leaks.
• Illuminated engine management or emissions warning light.
• EVAP system fault codes.
• Poor sealing between the fuel cap and filler neck.
• Visible deterioration of the rubber seal.
• Age-related deterioration of the original component.

Why Replacement Matters:

• The fuel cap seal is a small but critical component that helps maintain a sealed fuel system by preventing fuel vapours from escaping and contaminants from entering the fuel tank. A worn or damaged seal can lead to fuel odours, emissions faults, and reduced efficiency of the evaporative emissions system.
• Replacing a deteriorated fuel cap seal restores the proper seal between the fuel cap and filler neck, helping to maintain fuel system integrity and emissions performance. As a Genuine Porsche replacement part, it provides the correct fit, material quality, and long-term durability, making it an ideal choice for routine maintenance and preserving the originality and reliability of your Porsche.

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191201557

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