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Porsche > 928 (1978-1995) > 928S2 4.7L 1984-86 > Engine Electrical >

Injectors

Injectors

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Repair Kit Fuel Injector Hose. Porsche 928 S2 4.7ltr - 92811090301 - PRSESV
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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Related, superseded, cross reference or alternative numbers for comparison.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

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About Injectors

Fuel Injectors – Precision Fuel Delivery for Porsche Performance

Fuel injectors are critical components in your Porsche’s engine management system, responsible for delivering precise amounts of fuel directly into the combustion chamber. They ensure efficient fuel atomisation and optimal air-fuel ratios, which are essential for smooth performance, responsive acceleration, and reduced emissions.

At Design911, we offer a comprehensive selection of genuine and high-quality fuel injectors for Porsche models including 911, Boxster, Cayman, Cayenne, Macan, and Panamera. Each injector is engineered for accuracy, flow consistency, and reliability — ensuring your Porsche maintains its renowned performance and efficiency.

What Do Fuel Injectors Do?

Fuel injectors deliver pressurised fuel into the engine at precise intervals, ensuring perfect combustion. Their primary functions include:

  • Metering and atomising fuel for efficient combustion.
  • Maintaining correct air-fuel ratio under all load conditions.
  • Optimising performance and throttle response.
  • Reducing emissions and fuel consumption.

A properly functioning injector ensures smooth idle, crisp acceleration, and optimal power output — critical for both daily driving and high-performance applications.

Why Do Fuel Injectors Fail?

Fuel injectors operate under high pressure and extreme heat, making them prone to gradual wear or contamination. Common causes of failure include:

  • Fuel contamination from debris or poor-quality petrol.
  • Clogged or restricted nozzles due to carbon buildup.
  • Leaking seals or o-rings causing pressure loss.
  • Electrical faults in injector coils or connectors.
  • Corrosion from ethanol-blended fuels or moisture.

Symptoms of faulty injectors include rough idle, engine misfires, increased fuel consumption, loss of power, or a check engine light.

Why Replace Faulty Fuel Injectors?

Replacing worn or damaged fuel injectors restores your Porsche’s engine efficiency and responsiveness. New injectors ensure precise fuel delivery and balanced performance across all cylinders.

Benefits of replacement include:

  • Restored engine smoothness and performance.
  • Improved throttle response and power delivery.
  • Reduced emissions and better fuel economy.
  • Reliable combustion with manufacturer-quality precision.

Our range of injectors is designed using high-precision engineering and corrosion-resistant materials, ensuring consistent spray patterns, flow rates, and long service life in all conditions.

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