Please wait… 
Please wait while we process your order,
do not press the back button… 
Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://d911api.datadial.net/images/schemaLogo.png https://d911api.datadial.net/images/schemaLogo.png +443456003478 https://d911api.datadial.net Facebook Instagram
Check vehicle fitment
99918116750/1
Product Information
Product Information

Hose - 4.5 x 9.5mm 
Sold per meter

High-quality 4.5x9.5mm hose designed for a variety of applications across Porsche 911 and 928 models, supplied per metre for precise installation and flexible routing.

Fits:

  • Porsche 911 1965-1968 2.0L / 912 SWB (F)
  • Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
  • Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
  • Porsche 911 1978-1983 3.0L / SC
  • Porsche 911 1984-1986 3.2L
  • Porsche 911 1987-1989 3.2L G50
  • Porsche 911 1978-1989 3.3L Turbo (930)
  • Porsche 928 4.5L 1978-82
  • Porsche 928S 4.7L 1981-83
  • Porsche 928S2 4.7L 1984-86

This versatile hose can be used in multiple systems including vacuum lines, fuel system connections, and air hoses, making it an essential component for maintaining proper engine operation and system efficiency.

Manufactured to OEM specifications, this hose provides durability, flexibility, and resistance to heat and fluid exposure, making it ideal for maintenance, repair, or restoration of Porsche engine bay systems.

Key Features

• 4.5mm internal diameter, 9.5mm outer diameter
• Suitable for Porsche 911 and 928
• Multi-purpose hose for vacuum, fuel, and air systems
• Sold per metre for custom length applications
• Resistant to heat and engine bay conditions
• Flexible and durable construction
• OEM-style fit and performance

Function and Purpose

This hose is used across multiple vehicle systems.

It helps to:
• Maintain vacuum pressure in engine systems
• Support fuel delivery between components
• Provide airflow within intake systems
• Ensure leak-free operation across connections
• Support overall engine performance and efficiency

Why Replace Hoses

Over time, hoses degrade due to heat, pressure, and exposure.

Common issues include:
• Cracking or splitting
• Fuel or vacuum leaks
• Hardening and reduced flexibility
• Reduced system efficiency

Replacing worn hoses ensures safe operation and reliable performance.

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

99918116750
99918116750

The product you are viewing cross references to these numbers
Related products