Long return oil pipe, brass, painted. Porsche 911 S 2.4 1971-72 › 91120702601

This OE Match long return oil pipe connects the oil tank and oil cooler on the Porsche 911 S 2.4, 08/71–07/72. It has brass construction with a painted finish.

Fits

• Porsche 911 S 2.4 08/71-07/72
  
  

The broader model grouping is identification context; the specific application stated for this pipe is the 911 S 2.4 above. Check fitment for your specific vehicle (model, year, engine) before ordering.

Diagram ref no: 20.

What This Product Does

This rigid pipe forms the return connection within the vehicle’s oil circulation circuit. Its role is to carry oil through the designated route between the tank and cooler, rather than filter the oil or regulate its pressure. OE Match develops replacement components around Porsche applications, using original references and vehicle specifications to identify suitable parts.

Functions

• Provides the designated oil return passage.
• Connects the tank and cooler within the oil circuit.
• Replaces a damaged or leaking rigid oil line.
  
  

Technical Details

• Product reference: 91120702601.
• Component: long return oil pipe.
• Material: brass.
• Surface treatment: painted.
• Connection route: oil tank to oil cooler.
• Internal diagram identification: return pipe, item 20, for 911 S.
  
  

Symptoms of Fault

• Fresh oil marks beneath the vehicle.
• Wet deposits on the pipe or its connections.
• Seepage that becomes more noticeable after warming up.
• Visible cracking, impact damage or deterioration around fittings.
• Repeated oil-level loss associated with an identified external leak.
  
  

These signs warrant inspection but do not establish that the pipe itself is faulty. Adjoining seals and unions can produce similar evidence.

Why Replacement Matters

Renewing a confirmed leaking or damaged line addresses oil loss at its source. During restoration or engine work, inspect the adjoining connections and supporting hardware as well, so an existing sealing problem is not left unresolved. Select the replacement by its reference and precise application rather than appearance alone.

FAQs

Could the leak come from a connection instead?
Yes. Inspect the unions and sealing points alongside the pipe before deciding which components need renewal.

Why inspect neighbouring oil lines?
They may have experienced similar ageing and disturbance during previous repairs. Their condition should guide any additional replacement.

Does the broader model grouping confirm fitment for every listed variant?
No. Use the specific 911 S 2.4 application, production dates and product reference when checking compatibility.