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914/4: 70 71 72 73 74 75 76 914/6: 70 71 72

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> 914/6 engine serial numbers
eric9144
post Oct 27 2025, 05:16 PM
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Engine Number ☆6400153☆
Just posted on BAT auction:
https://bringatrailer.com/listing/engine-17...ampaign_2648450
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DennisV
post Oct 28 2025, 04:02 PM
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6405255 is listed on eBay.
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DennisV
post Nov 6 2025, 11:02 AM
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@JeffBowlsby posted this in the Garage. I thought I'd add it here too, so it's included in the thread.

914/6 Disassembled Engine on CL Berkeley, SN 6404466
QUOTE(JeffBowlsby @ Nov 5 2025, 05:10 PM) *

Not mine.

https://sfbay.craigslist.org/eby/pts/d/berk...7893715314.html

Good luck.
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wes
post Nov 6 2025, 10:09 PM
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QUOTE(DennisV @ Nov 6 2025, 09:02 AM) *

@JeffBowlsby posted this in the Garage. I thought I'd add it here too, so it's included in the thread.

914/6 Disassembled Engine on CL Berkeley, SN 6404466
QUOTE(JeffBowlsby @ Nov 5 2025, 05:10 PM) *

Not mine.

https://sfbay.craigslist.org/eby/pts/d/berk...7893715314.html

Good luck.



Actually I bought this one today, presently in the 914 garage for a future project.
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DennisV
post Jan 22 2026, 06:23 PM
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QUOTE(yellowporky @ Jan 22 2026, 09:38 AM) *

https://sfbay.craigslist.org/eby/pts/d/conc...7909791184.html

No affiliation

I contacted the seller as they didn't include the engine number. It is number:
*6405543*
Maybe they will add it now.
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beltwerks
post Feb 16 2026, 12:22 PM
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6420117 Advertised in France. https://www.leboncoin.fr/ad/equipement_auto/3146166143
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saladin
post Mar 4 2026, 11:43 PM
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Do'h, copying my post I made in the Garage forum.

Just came across Magnus Walker's RM Sotheby's upcoming auctions that includes "Porsche Type 901/38 Engine for 914/6" case number 6404135 that is offered without a reserve.

Enjoy,

Ken
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Flaig914/6
post Mar 28 2026, 02:33 PM
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I have 6405170. Looking for either the owner or the vin of its original '70 chassis. The vin would be just before 9140431823, which had engine 6405172. Very close. Tx, Jon
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Flaig914/6
post Mar 28 2026, 02:36 PM
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Also looking for case 6400662, which came in my 9140431657. Tx
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lalee914
post Mar 29 2026, 08:12 AM
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6405170 was in chassis 9140431922 as of March 2022 when it was advertised for sale by European Collectibles in Costa Mesa, CA
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Flaig914/6
post Mar 30 2026, 12:17 PM
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QUOTE(lalee914 @ Mar 29 2026, 08:12 AM) *

6405170 was in chassis 9140431922 as of March 2022 when it was advertised for sale by European Collectibles in Costa Mesa, CA


Thank you for the info. That is strange, because I have this engine (6405170) on a pallet in my shop and it's on the same pallet that it has been on for over 10 years. Can I call you to discuss, and I will look at Euro Collectibles website to research further in the meantime. Thanks again. Jon
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Flaig914/6
post Mar 30 2026, 12:34 PM
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QUOTE(Flaig914/6 @ Mar 30 2026, 12:17 PM) *

QUOTE(lalee914 @ Mar 29 2026, 08:12 AM) *

6405170 was in chassis 9140431922 as of March 2022 when it was advertised for sale by European Collectibles in Costa Mesa, CA


Thank you for the info. That is strange, because I have this engine (6405170) on a pallet in my shop and it's on the same pallet that it has been on for over 10 years. Can I call you to discuss, and I will look at Euro Collectibles website to research further in the meantime. Thanks again. Jon


The COA shown on their website for sold vin 1922 shows matching case 6405178, not 5170. Thank you. Jon
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lalee914
post Mar 31 2026, 07:35 AM
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Yep, your right. I found the problem in my database. I have 2 adverts for this car with engine numbers One with 5170 and the other showing 5178. The COA shows 5178.
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Flaig914/6
post Mar 31 2026, 08:21 AM
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QUOTE(lalee914 @ Mar 31 2026, 07:35 AM) *

Yep, your right. I found the problem in my database. I have 2 adverts for this car with engine numbers One with 5170 and the other showing 5178. The COA shows 5178.


Yes sir. Sure am hoping to at least track down the vin for 5170's original chassis. Love the hunt.
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Flaig914/6
post Apr 3 2026, 06:52 AM
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QUOTE(Flaig914/6 @ Mar 31 2026, 08:21 AM) *

QUOTE(lalee914 @ Mar 31 2026, 07:35 AM) *

Yep, your right. I found the problem in my database. I have 2 adverts for this car with engine numbers One with 5170 and the other showing 5178. The COA shows 5178.


Yes sir. Sure am hoping to at least track down the vin for 5170's original chassis. Love the hunt.


Update: With the help of Dave Pateman, we were able to determine the vin of the chassis that originally housed the motor now in my possession, that motor's number being 6405170. It belongs to 9140432032, which was last known to be in La Jolla and, at that time, owned by a Bob Heinonen bobheinonen

Now searching for that car, I have attempted to reach Bob, with no luck so far. If anyone knows Bob or knows where this car is, please let me know. Getting close. Thank you.
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Mr.242
post Apr 15 2026, 07:55 AM
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QUOTE(914Love @ Sep 10 2025, 01:28 PM) *

Okay I'm on the hunt for engine number 6404974 thanks ahead of time...


WAIT…. Explain!

As this is the same engine number I need for my car. (IMG:style_emoticons/default/WTF.gif)
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