Replacement ignition coil

[ohbugger]

My current coil has the + and - connectors right next to each other, and my wires come to a rubber boot that fits nicely into place.



The only replacement coils I can find have the connectors on opposite sides, making it impossible to hook up without butchering my wire setup. Anyone know where I can find a suitable replacement?

[HarryD]

Pull the coil and on the base is the part number. You should be able to have a store find a suitable replacement.

[ohbugger]

Part number is 0 221 121 006. Our host has the silver replacement unit that is 0 221 121 001... close but no cigar. Haven't been able to find any 006s online, maybe I'll try Napa. Someone told me that any 12v coil should work, is that true? Then I could try to find one that connects the same way as my current one. I have a stock ignition setup.

[brads911sc]

No. Any 12v coil will work is not a correct statement. Ill let the experts advise...

[HarryD]

As brads911sc, not any ol' coil will do. The number you see is a Bosch part number.

While not giving you the same slick hook up, you can use a MSD Hi Vibration coil in this application.

[ohbugger]

Alright then, I kinda figured you wouldn't want to hook up just any coil.

I guess I'll just have to do some cutting at the end of my wires for a replacement. Seems like from what I read the MSD Hi Vibrations were more reliable than the new Brazilian Bosch units.

[ohbugger]

Ok, so my old coil and connectors are designated "A" and "B". How do I know which one is + and -?

[rsnodgrass]

Did you ever find a replacement 006 coil or did you go with another solution? I'm also looking for a black 0 221 121 006 Bosch coil, if anyone has one that is known to be working please PM me.

[Reiver]

search is your friend...tons of stuff here and basically there are lotsof coils that will work with the system

[emac]

Brad etc
Had the same issue about five years ago. Replaced with with a VW coil from NAPA and still running great. BS with the 100 plus coils. Just my 2 cents
Ernie 81 SC

[dshepp806]

I'm looking to stock my inventory with the GOOD coils....the brazilian stuff has proven non-reliabilty. Has anyone contacts to get the GOOD coils? Is it, in fact, a "VW" approach?

Specs are specs, of course,.....

All I want is a frikin GERMAN COIL replacement,....any out there to be had?

BEST!

Doyle

[Jim Sims]

"lots of coils that will work with the system"

Yes, but to my knowledge none of them have the correct post spacing that will allow the original wiring socket to be used without "butchering" the OEM wiring or making an adapter. I made two adapters using four ring lugs, short lengths of wire and bolts of the the correct size and thread to match the old coil posts. One ring lug of an adapter goes on a post of the new coil (secure with a nut and washer) and the lug at the other end of an adapter gets the bolt with the bolt thread projecting upward/outward (again secure the bolt with a nut and washer). The wire runs between the ring lugs. Insulate the wire and ring lug shanks heavily with shrink tubing or self-fusing silcone rubber tape. Repeat for other side of coil. Position the two adapters so their projecting bolt threads make the correct spacing for the orignal wiring socket. Secure and support the OEM wiring socket against vibration (otherwise the adapter wire will fatigue and break) by using plastic wire ties as required.


Jim

[Jim Sims]

I believe this coil is suggested as a substitute for the problematic "silver" Brazilian Bosch coil; our host carries it. I would however peel off the "boy racer graphics" or paint them over with black paint before installing on a 911 engine.


Pelican Parts - Product Information: MSD-PN8222

[rsnodgrass]

Jim is correct. I am looking for the black 006 coil since the post spacing on all the replacements are different and require modifications to the original wiring (or construction of an adapter). If anyone has a 006 black coil please PM me.

[kidrock]

Originally Posted by Jim Sims

I believe this coil is suggested as a substitute for the problematic "silver" Brazilian Bosch coil; our host carries it. I would however peel off the "boy racer graphics" or paint them over with black paint before installing on a 911 engine.


Pelican Parts - Product Information: MSD-PN8222

This is interesting, as it is the first time I've heard of a decent substitute. I've been running a silver Brazilian for a couple of years now, and I've been jittery since I first installed it.

[Joakim]

Well I googled the number and heres the result. The numbers match

http://www.sparepartstore24.co.uk/676456-bosch

[Joakim]

Btw. What the coil does if it fails?

[wwest]

When CDI was first available little or no thought was given to the need for a transformer type ignition "coil" vs the oil inductive "kick" type. If replacing a CDI coil it might be best to look around for one of the transformer type "coil".

[Porboynz]

Interesting post from rsnodgrass, I have had a used 0221 121 006 coil sitting on a shelf for years and I always wondered what Porsche it fitted. Can you confirm its for a 76 Carerra with MFI and CDI? It would not correctly fit my 72 2.4 MFI with CDI as the terminals are side by side and I did not know if the A and B terminals were pos and neg or visa versa. Live and learn. Shame its on the wrong side of the Pacific for you. Which terminal goes to the CDI and which goes to earth?

[rsnodgrass]

I think it was used by Porsche in the mid-1970s on many of their models. I've seen them on 1974, 1975 and 1976 models. I don't think they would be MFI specific.