Oil return pipe, front oil cooler to thermostat. Porsche 964 C2 / C4 / RS / Turbo 1989-94 › 96420713504

Oil pipe return front cooler to thermostat.
These are long pipes running down the side of the car

Fits

• Porsche 964 1989-94 3.6L
• Porsche 964 Turbo
  
  

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

Diagram ref no 1

What This Product Does

This pipe provides the return connection between the front oil cooler and the thermostat. It forms part of the external oil circuit, carrying oil after it has passed through the cooler. It is a connecting pipe rather than the cooler or thermostat itself.

Functions

• Routes returning oil towards the thermostat.
• Connects the cooler with the external oil pipework.
• Provides a contained passage for circulating engine oil.
  
  

Technical Details

• Brand: OE Match.
• Supplied part reference: 96420713504.
• Connection: front oil cooler return to thermostat.
• Routing: long external pipe extending alongside the car.
  
  

Symptoms of Fault

• Fresh oil marks beneath the vehicle.
• Oily deposits following the pipe's route.
• Damp connections or leaking unions.
• Visible corrosion, chafing or other pipe damage.
• Recurring oil loss requiring investigation.
  
  

These signs do not identify this pipe as the cause on their own. Inspect nearby connections and adjoining components to establish where the leak begins.

Why Replacement Matters

A leaking or damaged return pipe can allow oil to escape from the external circuit. Replacement addresses a confirmed pipe fault rather than simply treating the resulting mess. Inspect the unions, supporting clamps and neighbouring lines during the repair, particularly where corrosion or disturbed connections are present. OE Match supplies replacement components developed around Porsche applications.

FAQs

Could the connection be leaking rather than the pipe?
Yes. Check the unions and sealing points as well as the pipe body before deciding which component needs renewal.

Should adjoining lines also be renewed?
Assess their condition individually. Similar age alone does not establish a fault, but corrosion, damage or active seepage warrants attention.

What should be checked after fitting?
Clean away residual oil and inspect the repaired connections again after heat cycles to check for fresh leakage.

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Related, superseded, cross reference or alternative numbers for comparison.

96420713504

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PLEASE NOTE:
Due to its size, weight or fragility, this item requires additional protective packaging to make sure it reaches you undamaged. A small packing surcharge is applied to cover these specialist materials and the extra care taken preparing your order for transit.