Fuel filler neck. Porsche 911 › 90120105120

This OE Match fuel filler neck is a replacement component for Porsche 911 applications, including the supplied 1978–86 fitment. It forms part of the passage used when refuelling the tank.

Fits

Porsche 911 1978-86

Check fitment for your specific vehicle (model, year, engine) before ordering.

Diagram ref no 27

What This Product Does

The neck directs petrol from the external filling point towards the fuel tank. It works alongside the cap, connecting hoses and seals; those neighbouring components have separate roles and should also be inspected when tracing a leak.

Functions

• Provides a passage for fuel during refuelling.
• Forms part of the tank's filler assembly.
• Replaces a deteriorated or damaged filler neck during repair or restoration.
  
  

Technical Details

• Brand: OE Match.
• Part reference: 90120105120.
• Component identification in the supplied diagrams: filler neck.
  
  

Symptoms of Fault

A petrol odour at the filling point, damp marks near the neck or visible deterioration warrant inspection. These signs do not identify the neck alone: the cap seal, breather connections and adjoining hoses may also be responsible.

Why Replacement Matters

Renewing a confirmed defective neck addresses deterioration within the filler assembly. Inspect the connected hoses, seals and clamps during the repair so that another worn component is not left as an unresolved source of leakage.

FAQs

Does a petrol smell mean the neck needs replacing?
No. Establish whether the odour comes from the neck, its connections, the cap or nearby breather pipework before selecting parts.

Should the adjoining clamps be checked?
Yes. Examine their condition together with the hoses and sealing components, and renew damaged items as appropriate.