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Genuine Porsche Piston Ring - 039-107-361-A

GENUINE PORSCHE
Ships from Supplier

2-3 business days

UGC 039-107-361-A
$21.56 - $21.56
$21.56
$21.56 - $21.56
$21.56
CALIFORNIA WARNING

Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which can cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts.

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Genuine Porsche Piston Ring, part # 039-107-361-A.

Technical Specifications

  • Part Number: 039-107-361-A

This part also goes by the following cross reference.

Cross Reference Part Number: 39107361

Fits These Vehicles 8 applications
Porsche
Make Model Engine Years
Porsche 911Base 2.7H6 1974–1974
Porsche 911S 2.7H6 1974–1977
Porsche 911Carrera 2.7H6 1974–1975
Porsche 912E 2.0H4 1976–1976
Porsche 914Base 1.7H4 1970–1973
Porsche 914Base 1.8H4 1974–1975
Porsche 914Base 2.0H4 1973–1976
Porsche 914914-6 2.0H6 1970–1972

Fitment data last updated: 2026-10-02

Fits 8 vehicle applications Check vehicle fitment before ordering View fitment

About these Piston Rings

The GENUINE PORSCHE 039-107-361-A piston rings seal the gap between the piston and the cylinder wall, holding combustion pressure and controlling oil. Worn rings lead to low compression, oil consumption and blow-by.

Frequently asked questions

What do piston rings do?

The top rings seal combustion pressure, and the oil control ring scrapes excess oil from the cylinder wall back into the crankcase. Together they keep compression up and oil out of the combustion chamber.

What are the signs of worn piston rings?

High oil consumption, blue smoke especially under acceleration, low compression or failed leak-down test, loss of power, and excessive crankcase pressure.

What should I check before fitting new rings?

Measure the cylinder bore for wear and taper, and hone or machine it as required so the new rings can seat. Check the ring end gap in the bore and the fit in the piston grooves against specification.

Can I install piston rings myself?

It is a precision job that requires engine disassembly, careful measurement, correct ring orientation and a ring compressor for installation. It is best done by an experienced engine builder.

How do I make sure this piston ring set fits my car?

Compare the part numbers listed on this page with the number on your old part or in your vehicle's parts catalog, and check the fitment information. If you are unsure, contact us with your VIN before ordering.

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