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Porsche > 993 (911) (1994-1998) > 993 (911) C4 1994-97 > Engine Rebuild Parts > Fuel System Parts >

Fuel Injectors

Fuel Injectors

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DISPLAYING 1 to 6 (of 6 products)
Fuel Injector Kit. Porsche 993 C2 / 993 C4 / 993 Carrera RS - 99360612000, 99360612001 - PESV9-1
4
Fuel Injector Kit. Porsche 993 C2 / 993 C4 / 993 Carrera RS
99360612001/2KIT
Product Information
Product Information

Fuel Injector Kit
Kit contains 6 fuel injectors

High-quality fuel injector kit designed for the Porsche 993 Carrera 2, Carrera 4, and 993 RS, delivering precise fuel metering for optimal engine performance in air-cooled flat-six engines.

These injectors are a critical component of the fuel injection system, ensuring accurate fuel atomisation for efficient combustion, smooth running, and consistent power delivery.

Fits:

  • Porsche 993 (911) C2 1994-97
  • Porsche 993 (911) C4 1994-97
  • Porsche 993 (911) C2S 1994-97
  • Porsche 993 (911) C4S 1994-97
  • Porsche 993 (911) RS 1994-97

Diagram ref no 8

Manufactured to OEM specifications, this injector provides reliable fitment and performance, making it ideal for maintenance, restoration, or performance optimisation of Porsche 993 models.

Key Features

• Fuel injector for Porsche 993 Carrera 2 / Carrera 4 / RS
• Part number 99360612000
• Designed for air-cooled flat-six engines
• Ensures precise fuel atomisation
• Supports smooth and efficient engine performance
• OEM-style fit and function
• Ideal for replacement or restoration
• Sold individually

Function and Purpose

This injector is essential for fuel system performance.

It helps to:
• Deliver fuel accurately to each cylinder
• Maintain optimal air-fuel ratios
• Improve throttle response and drivability
• Support smooth idle and balanced running
• Ensure efficient combustion

Why Replace Fuel Injectors

Over time, injectors can wear or become clogged.

Common issues include:
• Poor fuel atomisation
• Reduced engine performance
• Rough idle or hesitation
• Increased fuel consumption
• Misfires or uneven running

Replacing injectors restores performance, efficiency, and reliability.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99360612001
99360612000
99360612001

The product you are viewing cross references to these numbers
Fuel injector seal o-ring. Porsche 955 Cayenne / 986 Boxster / 964 / 993 / 996 - 94411090101, 893.889
1
Fuel injector seal o-ring. Porsche 955 Cayenne / 986 Boxster / 964 / 993 / 996
Special Order item
94411090101
Product Information
Product Information
Fuel injector Seal O-ring. 7,52 x 3,53.

porsche

Fits:
Porsche 955 Cayenne 3.2L 2004-05
Porsche 986 Boxster 1997-04 ALL models
Porsche 964 C2 / C4 / RS 1989-94
Porsche 993 1995-98 ALL models
Porsche 996 1998-05 ALL models

Click 'Zoom in' for large parts diagram.
Diagram ref no 4

Price is for each.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

94411090101
94411090101
893.889

The product you are viewing cross references to these numbers
Fuel injector seal o-ring. Porsche 955 Cayenne / 986 Boxster / 964 / 993 / 996 - 94411090101, 893.889
2
Fuel injector seal o-ring. Porsche 955 Cayenne / 986 Boxster / 964 / 993 / 996
94411090101/1
Product Information
Product Information
Fuel injector seal O-ring. 7,52 x 3,53.

elring

Fits:
Porsche 955 Cayenne 3.2L 2004-05
Porsche 986 Boxster 1997-04 ALL models
Porsche 964 C2 / C4 / RS 1989-94
Porsche 993 1995-98 ALL models
Porsche 996 1998-05 ALL models

Click 'Zoom in' for large parts diagram.
Diagram ref no 4

Price is for each.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

94411090101
94411090101
893.889

The product you are viewing cross references to these numbers
Fuel Injector Seal O-Ring. Porsche 955 Cayenne / 986 Boxster / 964 / 993 / 996 - 94411090101 - 111 414
2
Fuel Injector Seal O-Ring. Porsche 955 Cayenne / 986 Boxster / 964 / 993 / 996
94411090101/2
Product Information
Product Information
Fuel Injector Seal O-Ring, 7.52 x 3.53.
The OE Match Fuel Injector Seal O-Ring, 7.52 x 3.53mm is a premium-quality replacement sealing component designed to provide a secure, leak-free seal between the fuel injector and its mounting point on compatible Porsche models. Manufactured to OE specifications for fit, sealing performance and durability, this precision-engineered O-ring helps maintain correct fuel pressure while preventing fuel leaks and the ingress of air or contaminants into the fuel injection system.  

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 964 (911) C2 1989-93
  • Porsche 964 (911) C4 1989-93
  • Porsche 964 (911) RS 3.6L 1991-93
  • Porsche 964 (911) RS 3.8L 1991-93
  • 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 955 Cayenne 3.2L V6 2003-06  

Diagram Ref No 4

Manufactured from premium fuel-resistant elastomer, the O-ring is engineered to withstand continuous exposure to petrol, engine heat, fuel pressure and repeated thermal cycling without hardening, cracking or losing elasticity. Precision-manufactured to the original dimensions of 7.52 x 3.53mm, it provides direct OE-style fitment and dependable sealing performance during injector installation, fuel system servicing or engine repairs.

What This Product Does:
  • Creates a leak-free seal around the fuel injector.
  • Maintains correct fuel system pressure.
  • Prevents fuel leaks between the injector and its mounting point.
  • Stops unmetered air from entering the fuel system.
  • Protects surrounding engine components from fuel contamination.
  • Supports efficient fuel delivery and combustion.
  • Restores factory fuel system sealing performance.
  • Forms an essential part of the engine fuel injection system.

Symptoms Of Wear Or Failure:
  • Fuel smell from the engine bay.
  • Visible fuel leaks around the injector.
  • Difficult engine starting.
  • Rough idle or engine misfires.
  • Reduced engine performance.
  • Increased fuel consumption.
  • Loss of fuel pressure.
  • Cracked, flattened or hardened O-ring.
  • Fuel system fault codes.
  • Increased fire risk due to fuel leakage.

Why Replacement Matters:

  • The fuel injector seal O-ring is continuously exposed to fuel, high operating temperatures and pressure fluctuations. Over time, the sealing material naturally hardens, shrinks or becomes compressed, reducing its ability to provide an effective seal around the injector.
  • A deteriorated O-ring can allow fuel to escape or unmetered air to enter the fuel system, affecting fuel pressure, combustion efficiency and overall engine performance. Fuel leaks within the engine bay also present a significant safety hazard and may damage surrounding components if left unresolved.
  • Replacing the injector seal O-ring whenever a fuel injector is removed or serviced helps ensure a secure, leak-free fuel system and reliable engine operation. The OE Match Fuel Injector Seal O-Ring is manufactured to OE standards using premium fuel-resistant materials, providing factory-style fitment, dependable sealing performance and long-lasting durability, helping maintain the safety, efficiency and reliability expected from your Porsche.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

94411090101
94411090101

The product you are viewing cross references to these numbers
Fuel injector. Porsche 993 C2 / 993 C4 / 993 Carrera RS - 99360612000, 0 280 150 786, 0280150786
3
Fuel injector. Porsche 993 C2 / 993 C4 / 993 Carrera RS
Special Order item
99360612001
Product Information
Product Information
Fuel injector.
6 per car. Price is for each.

Fits:
Porsche 993 C2 / C4 1994 - 1998
Porsche 993 RS 1995 - 1996 M64.20

Bosch Ref number: 0280150786

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99360612001
99360612000
0 280 150 786
0280150786

The product you are viewing cross references to these numbers
Fuel injector. Porsche 993 C2 / 993 C4 / 993 Carrera RS - 99360612000, 99360612001 - PESV9-1
3
Fuel injector. Porsche 993 C2 / 993 C4 / 993 Carrera RS
99360612001/2
Product Information
Product Information

Fuel Injector 
Sold each - 6 required per car

High-quality fuel injector designed for the Porsche 993 Carrera 2, Carrera 4, and 993 RS, delivering precise fuel metering for optimal engine performance in air-cooled flat-six engines.

This injector is a critical component of the fuel injection system, ensuring accurate fuel atomisation for efficient combustion, smooth running, and consistent power delivery.

Fits:

  • Porsche 993 (911) C2 1994-97
  • Porsche 993 (911) C4 1994-97
  • Porsche 993 (911) C2S 1994-97
  • Porsche 993 (911) C4S 1994-97
  • Porsche 993 (911) RS 1994-97

Diagram ref no 8

Manufactured to OEM specifications, this injector provides reliable fitment and performance, making it ideal for maintenance, restoration, or performance optimisation of Porsche 993 models.

Key Features

• Fuel injector for Porsche 993 Carrera 2 / Carrera 4 / RS
• Part number 99360612000
• Designed for air-cooled flat-six engines
• Ensures precise fuel atomisation
• Supports smooth and efficient engine performance
• OEM-style fit and function
• Ideal for replacement or restoration
• Sold individually

Function and Purpose

This injector is essential for fuel system performance.

It helps to:
• Deliver fuel accurately to each cylinder
• Maintain optimal air-fuel ratios
• Improve throttle response and drivability
• Support smooth idle and balanced running
• Ensure efficient combustion

Why Replace Fuel Injectors

Over time, injectors can wear or become clogged.

Common issues include:
• Poor fuel atomisation
• Reduced engine performance
• Rough idle or hesitation
• Increased fuel consumption
• Misfires or uneven running

Replacing injectors restores performance, efficiency, and reliability.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99360612001
99360612000
99360612001

The product you are viewing cross references to these numbers
DISPLAYING 1 to 6 (of 6 products)
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About Fuel Injectors

Fuel Injectors – Precision Fuel Delivery for Porsche Performance and Efficiency

Fuel injectors are a crucial component in your Porsche’s engine management system, ensuring the precise amount of fuel is delivered to each cylinder for clean, efficient combustion. A properly functioning injector optimises power output, throttle response, and fuel economy — maintaining the performance standards Porsche is known for.

At Design911, we offer a comprehensive range of  fuel injectors designed for Porsche models old and new — from air-cooled classics to the latest turbocharged engines. Built to manufacturer-quality standards using advanced materials and precision nozzles, our injectors ensure accurate fuel atomisation, consistent spray patterns, and long-term durability under extreme temperatures and pressures.

Whether you’re restoring a 911, maintaining a Cayman, or upgrading for performance driving, our injectors are engineered to deliver clean, efficient combustion and consistent engine response.

What Do Fuel Injectors Do?

Fuel injectors are electronically controlled valves that deliver precise amounts of pressurised fuel into the combustion chamber or intake manifold.

Core Functions:

  • Atomise and inject fuel for efficient combustion.
  • Ensure consistent air-fuel ratio across all cylinders.
  • Improve engine responsiveness, power, and economy.
  • Support emissions control by maintaining clean, complete fuel burn.

Every Porsche engine relies on its injectors for accurate fuel delivery — a vital factor in maintaining both performance and efficiency.

Why Do Fuel Injectors Fail?

Fuel injectors are exposed to heat, pressure, and fuel impurities, making them prone to gradual wear or clogging over time.

Common Causes of Failure Include:

  • Fuel contamination, leading to clogging or restricted flow.
  • Carbon build-up on the nozzle tips, disrupting spray pattern.
  • Electrical or coil failure, affecting signal timing.
  • Internal leaks due to seal deterioration or corrosion.
  • Ethanol degradation, which can damage internal components.

Symptoms of injector failure include rough idling, poor acceleration, increased fuel consumption, misfires, or difficulty starting — all signs of inconsistent fuel delivery.

Why Replace with Precision-Engineered Fuel Injectors?

Replacing worn or clogged injectors restores proper fuel delivery, maximising power, smoothness, and efficiency. Our performance-grade, direct-fit injectors are designed to provide consistent fuel flow, superior atomisation, and long service life.

Key Benefits:

  • Restores power and throttle response.
  • Improves fuel economy and engine smoothness.
  • Prevents misfires, stalling, and hard starts.
  • Reduces emissions through cleaner combustion.
  • Crafted from high-quality, corrosion-resistant materials.
  • Direct-fit design for easy installation and long-term reliability.

Perfect for preventative maintenance or performance upgrades, these injectors deliver manufacturer-level precision and durability for every Porsche engine.

Highlights:

  • High-quality replacement fuel injectors for Porsche models.
  • Precision-engineered nozzles for accurate atomisation.
  • Tested for pressure stability and spray accuracy.
  • Improves power, efficiency, and emissions performance.
  • Compatible with classic and modern Porsche engines.
  • Essential for restorations, rebuilds, and tuning projects.

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