 front hub difference |
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| 914andy |
 Aug 31 2026, 10:49 AM
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#1
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Member  Group: Members Posts: 63 Joined: 23-December 11 From: Nashville tn Member No.: 13,929 Region Association: None 
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Hello all,
I am trying to determine the difference between part #'s for the front hubs. 91134106506 for a 911 koni strut 90134106504 for a 914-6 strut I am going to change my stock -6 struts over to later 911 Koni struts. Don't want to get half way into it and find out I need more parts. Thanks Andy |
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| Steve |
Sep 1 2026, 07:18 AM
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#2
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914 Guru Group: Members Posts: 6,078 Joined: 14-June 03 From: Laguna Niguel, CA Member No.: 822 Region Association: Southern California
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QUOTE(914andy @ Aug 31 2026, 09:49 AM)  Hello all, I am trying to determine the difference between part #'s for the front hubs. 91134106506 for a 911 koni strut 90134106504 for a 914-6 strut I am going to change my stock -6 struts over to later 911 Koni struts. Don't want to get half way into it and find out I need more parts. Thanks Andy I think it’s hub centric versus non hub centric. Early 901 depended on the lug nuts to center the wheel. |
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| Tom1394racing |
Sep 1 2026, 07:42 AM
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#3
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Senior Member Group: Members Posts: 524 Joined: 25-August 07 From: CT Member No.: 8,039 Region Association: North East States
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This shows the differences in 911 hubs.
 The difference between the 04 and the 06 is in the bearing cap. Outside fit vs inside fit. |
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| 914andy |
Sep 2 2026, 02:19 PM
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#4
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Member Group: Members Posts: 63 Joined: 23-December 11 From: Nashville tn Member No.: 13,929 Region Association: None
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Wow !!! awesome info. I have printed that out and added it to the Porsche file.
Thank You gentlemen. Andy (IMG:style_emoticons/default/beerchug.gif) |
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| flxzcat |
Sep 3 2026, 12:02 PM
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#5
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Member Group: Members Posts: 127 Joined: 13-June 11 From: Lake Forest, So. Cal. Member No.: 13,188 Region Association: Southern California |
So pre 74 are not hub centric?
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| mepstein |
Sep 3 2026, 01:05 PM
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#6
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914-6 GT in waiting Group: Members Posts: 20,903 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region
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QUOTE(flxzcat @ Sep 3 2026, 02:02 PM) So pre 74 are not hub centric? Right. Lug centric front and rear. |
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| Jamie |
Sep 3 2026, 02:09 PM
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#7
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Senior Member Group: Members Posts: 1,224 Joined: 13-October 04 From: Georgetown,KY Member No.: 2,939 Region Association: South East States
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QUOTE(mepstein @ Sep 3 2026, 11:05 AM) QUOTE(flxzcat @ Sep 3 2026, 02:02 PM) So pre 74 are not hub centric? Right. Lug centric front and rear. My original 73 is hub centric, as I found out when trying to mount spacers. |
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| mepstein |
Sep 3 2026, 02:32 PM
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#8
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914-6 GT in waiting Group: Members Posts: 20,903 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region
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QUOTE(Jamie @ Sep 3 2026, 04:09 PM) QUOTE(mepstein @ Sep 3 2026, 11:05 AM) QUOTE(flxzcat @ Sep 3 2026, 02:02 PM) So pre 74 are not hub centric? Right. Lug centric front and rear. My original 73 is hub centric, as I found out when trying to mount spacers. It also depends how you define the year. Build date or model year date. |
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