Fuel Injector Sleeve. Porsche 911 1974-83

Fuel line - runs from the fuel rail to the diaphragm damper. 

Fits:
Porsche 924 S 2.5L 1986-88

Porsche 944-2 2.5L 1985-88
Porsche 944 2.7L 1989 

Porsche 944 Turbo 2.5L 1986-91
Porsche 944 Turbo S 2.5L 1988 

Diagram ref. 11. 

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Related, superseded, cross reference or alternative numbers for comparison.

94411041303

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Rennline High Pressure Fuel Rail 
Upgrade your aging factory fuel system with Rennline’s High Pressure Fuel Rail Line. Designed to outperform and outlast the original, this premium replacement features a modern braided fuel line paired with precision CNC-machined billet aluminum ends, ensuring a secure, leak-free fit. Unlike other aftermarket options, this rail follows the OEM routing to prevent interference with the rocker cover. Perfect for stock replacements or high-performance builds.

Fits:

• Porsche 924S 2.5L 1986-87
• Porsche 924S 2.5L 1988
• Porsche 944 2.5L 8V 1982-87
• Porsche 944 2.7L 8V 1988-89
• Porsche 944 Turbo 2.5L 8V 1985-88
• Porsche 944 Turbo 2.5L 8V 1989-91
• Porsche 944 Turbo S 2.5L 8V 1988>>

Diagram ref no 11 

Key Features:

• Modern braided fuel hose for enhanced durability and higher pressure tolerance
• CNC-machined billet ends for an OEM+ look and performance
• Includes 10mm & 8mm to -6 JIC compression fittings
• Ideal for both factory replacement and performance applications

What the Product Does

• Delivers high-pressure fuel reliably to the injectors.
• Withstands higher fuel system pressures compared to aging OEM parts.
• Prevents leaks with precision-machined fittings and modern hose construction.
• Maintains factory routing for a clean, interference-free fit.

Symptoms of a Failing or Worn Fuel Rail

• Strong fuel smell from the engine bay.
• Visible leaks or damp spots on the fuel line/rail. 
• Hard starting or poor performance under load.
• Fuel pressure loss or misfires.
• Cracked or brittle factory lines due to age. 

Common Reasons for Failure

• Aging Materials: Original rubber fuel lines harden and crack over time.
  
• Heat Exposure: Constant engine bay heat accelerates degradation.
  
• Fuel Pressure Stress: Stock parts may struggle with modern fuel blends and higher pressures.
  
• Corrosion: Factory metal ends may rust or weaken.

Why Replace?

• Prevents dangerous fuel leaks and fire hazards.
• Restores reliable fuel delivery and performance.
• Provides a long-term solution with modern materials.
  
• Supports both daily driving and high-performance builds.
• Eliminates common clearance issues with poorly designed aftermarket options.

 Ideal For: Porsche 924S, 944, and 951 owners seeking a safe, reliable upgrade to their fuel delivery system - whether for everyday driving or high-performance tuning.

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

M141

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