Oil pipe oil tank to thermostat. Porsche 911 1974-89  ❭  91110773013

Oil pipe oil tank to thermostat
This OE Match oil pipe is a replacement engine oil line running from the oil tank to the thermostat on Porsche 911 models from 1974 to 1989. It is designed to match the original-style fitment and function, helping maintain correct oil flow through the external oil cooling system.

Fits:
Porsche 911 3.0L 1974 - 1983
Porsche 911 3.2L 1984 - 1989

Diagram Ref No 17

Previous Porsche Part Numbers: 91110773010 / 91110773011

The oil pipe carries engine oil between the oil tank and the thermostat as part of the Porsche 911 dry-sump oil system. The thermostat controls oil flow to the external oil cooler circuit when the oil reaches operating temperature, helping regulate engine oil temperature and protect the engine during driving.

Functions
•  Replaces the oil pipe from oil tank to thermostat
•  Supports correct engine oil circulation
•  Forms part of the external oil cooling system
•  Helps maintain stable engine oil temperature
•  Supports dry-sump oil system operation
•  Replaces corroded, leaking, crushed, blocked, or damaged original oil pipes
•  OE Match replacement for Porsche 911 oil system repair and restoration.

Why Replace This Part?
External oil pipes are exposed to road dirt, heat, vibration, corrosion, oil pressure, and age-related wear. Over time, the pipe can corrode, leak, become crushed, seize at the fittings, or suffer damage during removal or repair work. A faulty oil pipe may cause oil leaks, reduced oil flow, poor cooling performance, or oil system reliability issues. Replacing the pipe helps restore secure oil transfer and dependable engine cooling.

When to Replace This Part
•  Oil leaks are visible around the pipe or fittings
•  The pipe is corroded, crushed, kinked, blocked, or damaged
•  Oil thermostat or oil tank connections are being serviced
•  External oil lines are being refreshed during restoration
•  Fittings are seized or damaged during removal
•  Engine oil cooling performance is reduced
•  The vehicle is undergoing Porsche 911 oil system restoration

Where it fits on the car
This oil pipe fits between the oil tank and oil thermostat on Porsche 911 models. It forms part of the external engine oil circulation and cooling system.

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Related, superseded, cross reference or alternative numbers for comparison.

91110773013

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