Injection pump pre-heat pipe, Inner. Porsche 911 1969-77 MFI 25 X 580 mm › 90111029500

OE Match inner injection pump pre-heat pipe for mechanically injected Porsche 911 applications from 1969–77. The supplied specification is 25 X 580 mm.

Fits

• Porsche 911 69-77 MFI
  
  

For vehicles equipped with mechanical fuel injection only; confirm the injection system rather than relying on model year alone. Check fitment for your specific vehicle (model, year, engine) before ordering.

Diagram ref no 28

What This Product Does

This hose forms the inner section of the injection pump pre-heating pipework. It is a replacement component for repairs or restoration of the existing mechanical injection installation, not a fuel delivery line or an injection pump.

Functions

• Provides the inner connection within the pump pre-heating arrangement.
• Replaces damaged or missing pre-heat pipework.
  
  

Technical Details

• Part reference: 90111029500.
• Position: Inner.
• Supplied dimensions: 25 X 580 mm.
• Application: mechanical fuel injection, also identified as MFI.
  
  

Symptoms of Fault

Inspect the existing pipe for splits, cracking, brittle sections and damaged connections. A loose or deteriorated hose warrants inspection, but general running problems should be diagnosed before attributing them to this component.

Why Replacement Matters

Renewing a damaged pre-heat hose restores the intended pipe connection during injection-system maintenance or an engine restoration. Check adjoining connections and retaining hardware at the same time so that worn supporting parts are not overlooked.

FAQs

Will this fit every 911 within the listed years?
No. The vehicle must have the appropriate mechanical injection installation. Confirm the original reference, dimensions and inner position before selecting the replacement.

What should be checked before fitting?
Compare the removed hose with the supplied specification and inspect the adjoining pipework, connections and fixings for deterioration.

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Related, superseded, cross reference or alternative numbers for comparison.

90111029500

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