 914/6 Oil Filter, 1976 2.7L CIS in 1975 914 |
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| Kansas 914 |
 May 8 2026, 07:25 AM
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Advanced Member  Group: Members Posts: 3,007 Joined: 1-March 03 From: Durango, Colorado Member No.: 373 Region Association: Rocky Mountains 
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I have conflicting information on the correct oil filter in my 914/6 conversion.
It is a 1975 with a 1976 2.7L CIS. It does have a 914/6 Oil tank. I have been told Mahle OC54 and OC61. I have both on the shelf which confuses me more. Thanks in advance - Mike |
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| DennisV |
May 8 2026, 08:49 AM
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Senior Member Group: Members Posts: 915 Joined: 8-August 20 From: Santa Rosa, CA Member No.: 24,575 Region Association: Northern California
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QUOTE(Kansas 914 @ May 8 2026, 06:25 AM)  I have conflicting information on the correct oil filter in my 914/6 conversion. It is a 1975 with a 1976 2.7L CIS. It does have a 914/6 Oil tank. I have been told Mahle OC54 and OC61. I have both on the shelf which confuses me more. Thanks in advance - Mike Isn't the correct filter dictated by which oil filter console (aka bracket or standoff) you have? Stock 914-6 oil tank has 901-107-025-00 console, that would fit 901-107-203-09 filter. This is same as used on 1965-73 911s. Not sure which Mahle that would map to. |
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| smg914 |
May 8 2026, 09:44 AM
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Sahara Beige Steve Group: Members Posts: 1,988 Joined: 22-February 04 From: Tampa, FL Member No.: 1,695 Region Association: None  |
From what I understand either of those filters OC54 or OC61 will work on a stock 914-6. I use the red Purolator PC 34 (901.107.203.10) sold by Porsche Classic
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| aturboman |
May 8 2026, 09:58 AM
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Member Group: Members Posts: 156 Joined: 18-October 11 From: CA Member No.: 13,687 Region Association: None |
This is correct data. Here is a original 6 with the factory Purolator filter referenced. The car is running a 3.2. The stock oil tank dictates the filter needed. Recommendation is to use only Porsche filters, they have an internal bypass many aftermarkets do not.
 QUOTE(smg914 @ May 8 2026, 08:44 AM) From what I understand either of those filters OC54 or OC61 will work on a stock 914-6. I use the red Purolator PC 34 (901.107.203.10) sold by Porsche Classic |
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