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- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
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.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91135607602
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