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Porsche > 928 (1978-1995) > 928S2 4.7L 1984-86 > Engine Rebuild Parts > Fuel System Parts >

Fuel Injectors

Fuel Injectors

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DISPLAYING 17 to 19 (of 19 products)
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Protective Cap for Fuel Injector. Porsche 924S / 944 / 928 - 94461212802, 94461212800 - PGESV
2
Protective Cap for Fuel Injector. Porsche 924S / 944 / 928
94461212802/1
Product Information
Product Information

Fuel Injector Connector Protective Rubber Boot
Sold each

High-quality protective rubber boot designed for the fuel injector connector on Porsche 924S, 944, and 928 models, providing essential protection for the electrical connection.

This rubber boot fits over the injector connector, shielding it from heat, moisture, dirt, and engine bay contaminants, helping to maintain reliable electrical contact and prevent premature wear or failure.

Fits:

  • Porsche 924S 2.5L 1986-87
  • Porsche 924S 2.5L 1988
  • Porsche 944 2.5L 8V 1982-87
  • Porsche 944S 2.5L 16V 1987-88
  • Porsche 944 Turbo 2.5L 8V 1985-88
  • Porsche 928 4.5L 1978-82
  • Porsche 928S 4.7L 1981-83
  • Porsche 928S2 4.7L 1984-86
  • Porsche 928S4 5.0L 1987-92
  • Porsche 928GT 5.0L 1989-91
  • Porsche 928GTS 5.4L 1992-95

Diagram ref no 2  

Sold individually, this component is ideal for replacing cracked, hardened, or missing boots during maintenance or restoration of the fuel injection system.

Key Features

• Protective rubber boot for fuel injector connector
• Suitable for Porsche 924S, 944, and 928
• Shields electrical connections from contaminants
• Helps maintain reliable injector operation
• Flexible, heat-resistant rubber construction
• OEM-style fit and appearance
• Ideal for restoration and repair work
• Sold individually

Function and Purpose

This rubber boot plays a key role in protecting injector wiring.

It helps to:
• Protect electrical connections from dirt and moisture
• Reduce risk of corrosion and electrical faults
• Maintain consistent injector signal reliability
• Extend lifespan of wiring connectors
• Support overall engine performance

Why Replace Injector Connector Boots

Over time, rubber components deteriorate due to heat and exposure.

Common issues include:
• Cracked or brittle rubber
• Missing or damaged boots
• Exposure of connectors to contaminants
• Increased risk of electrical faults

Replacing worn boots helps ensure reliable fuel injection system performance.



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

94461212802
94461212802
94461212800

The product you are viewing cross references to these numbers
Repair Kit Fuel Injector Hose. Porsche 928 S2 4.7ltr - 92811090301
2
Repair Kit Fuel Injector Hose. Porsche 928 S2 4.7ltr
Special Order item
92811090301
Product Information
Product Information

Fuel Injector Hose Repair Kit – COHLINE Fuel Hose & Clamp Set
Sold as a pair

High-quality fuel injector hose repair kit designed for Porsche 928 models, providing all essential components required to restore injector fuel line connections.

This comprehensive kit includes COHLINE fuel hoses, hose clamps, and protective sleeves, ensuring secure and leak-free connections between the fuel injectors and fuel system. It is designed to replace worn or degraded hoses and maintain correct fuel delivery performance.

Fits:

  • Porsche 928S2 4.7L 1984-86

Diagram ref no 48

Manufactured to OEM standards, the included COHLINE fuel hoses are engineered for durability, fuel resistance, and long-term reliability under engine bay conditions.

A direct replacement solution, this injector hose repair kit is essential for maintaining fuel system safety, preventing leaks, and ensuring consistent engine performance.

Included in Set

• 2 x Hose clamps
• 2 x COHLINE fuel hoses
• 2 x Hose sleeves

Key Features

• Complete fuel injector hose repair kit for Porsche 928
• Includes high-quality COHLINE fuel hoses
• Designed for secure and leak-free fuel connections
• Ideal for injector hose replacement and refurbishment
• Fuel-resistant materials for long-term durability
• OEM-style fit and function

Function and Purpose

This repair kit restores the integrity of fuel injector hose connections.

It helps to:

• Maintain proper fuel pressure within the system
• Prevent fuel leaks at injector connections
• Ensure safe and reliable fuel delivery
• Support optimal engine performance

Why Replace Your Injector Hoses

Fuel hoses degrade over time due to heat, pressure, and fuel exposure.

Common issues include:

• Cracked or brittle hoses
• Fuel leaks at injector connections
• Reduced fuel pressure
• Increased safety risks within the engine bay

Replacing injector hoses is critical for both safety and performance.



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

92811090301
92811090301

The product you are viewing cross references to these numbers
Repair Kit Fuel Injector Hose. Porsche 928 S2 4.7ltr - 92811090301 - PRSESV
2
Repair Kit Fuel Injector Hose. Porsche 928 S2 4.7ltr
92811090301/1
Product Information
Product Information

Fuel Injector Hose Repair Kit – COHLINE Fuel Hose & Clamp Set
Sold as a pair

High-quality fuel injector hose repair kit designed for Porsche 928 models, providing all essential components required to restore injector fuel line connections.

This comprehensive kit includes COHLINE fuel hoses, hose clamps, and protective sleeves, ensuring secure and leak-free connections between the fuel injectors and fuel system. It is designed to replace worn or degraded hoses and maintain correct fuel delivery performance.

Fits:

  • Porsche 928S2 4.7L 1984-86

Diagram ref no 48

Manufactured to OEM standards, the included COHLINE fuel hoses are engineered for durability, fuel resistance, and long-term reliability under engine bay conditions.

A direct replacement solution, this injector hose repair kit is essential for maintaining fuel system safety, preventing leaks, and ensuring consistent engine performance.

Included in Set

• 2 x Hose clamps
• 2 x COHLINE fuel hoses
• 2 x Hose sleeves

Key Features

• Complete fuel injector hose repair kit for Porsche 928
• Includes high-quality COHLINE fuel hoses
• Designed for secure and leak-free fuel connections
• Ideal for injector hose replacement and refurbishment
• Fuel-resistant materials for long-term durability
• OEM-style fit and function

Function and Purpose

This repair kit restores the integrity of fuel injector hose connections.

It helps to:

• Maintain proper fuel pressure within the system
• Prevent fuel leaks at injector connections
• Ensure safe and reliable fuel delivery
• Support optimal engine performance

Why Replace Your Injector Hoses

Fuel hoses degrade over time due to heat, pressure, and fuel exposure.

Common issues include:

• Cracked or brittle hoses
• Fuel leaks at injector connections
• Reduced fuel pressure
• Increased safety risks within the engine bay

Replacing injector hoses is critical for both safety and performance.



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

92811090301
92811090301

The product you are viewing cross references to these numbers
DISPLAYING 17 to 19 (of 19 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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