Connecting Fuel Hose Accumulator to Fuel Filter. Porsche 911 1974  ❭  91135607602

Connecting Fuel Hose – Accumulator to Fuel Filter 

High-quality replacement connecting fuel hose designed for Porsche 911 1974 models equipped with Bosch CIS (K-Jetronic) fuel injection systems.

This hose connects the fuel accumulator to the fuel filter, forming a critical link within the fuel delivery system. It ensures consistent fuel flow under pressure, allowing proper filtration before fuel is delivered to the metering system.

Fits:
Porsche 911 / 911S 2.7L 1974

Diagram ref no 21

As part of the CIS fuel system network, this hose plays a vital role in maintaining stable fuel pressure, smooth engine operation, and long-term reliability.

Manufactured to OEM specifications, it provides precise fitment and excellent resistance to fuel, heat, and pressure—ideal for maintenance, repair, or restoration of classic Porsche 911 models.

Key Features

• Direct replacement fuel hose (accumulator to fuel filter)
• Suitable for Porsche 911 (1974)
• Designed for CIS fuel injection systems
• Maintains consistent fuel flow and pressure
• Resistant to fuel, heat, and high-pressure conditions
• OEM-style fit and performance

Part of a Complete CIS Fuel System

This hose operates within a fully integrated fuel delivery system, including:

• Fuel pump
• Fuel accumulator
• Fuel filter
• Fuel metering head
• Injector lines and injectors
• Fuel return lines

Each component works together—meaning a fault in one area can affect overall system performance.

Why Replace Fuel Hoses as a System

With age, fuel hoses within CIS systems often degrade together.

Common issues include:

• Cracking or hardening of hose material
• Fuel leaks under pressure
• Restricted fuel flow
• Inconsistent fuel delivery or starting issues

Replacing hoses together helps restore balanced fuel flow and system reliability.