Hey everyone. How do uguys feel about installing aftermarket ignition coils?
I need a set for my 2004 911 with 135+k.
Doing some other work on it so I believe these are original. I will use NGK plugs. Obviously I'm trying to budget, but your thoughts please.
Aftermarket ignition coils
- Tom
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If you stick with the well-known German brands -- Bosch, Beru, Bremi -- those should be fine IMO, as long as you get direct fit replacements. I wouldn't go with a no-name or store brand cheap-o coil though.Upstateguy wrote: Tue Dec 09, 2025 5:47 pm Hey everyone. How do uguys feel about installing aftermarket ignition coils?
I need a set for my 2004 911 with 135+k.
Doing some other work on it so I believe these are original. I will use NGK plugs. Obviously I'm trying to budget, but your thoughts please.
- uscarrera
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Watch this video great info even if you choose to buy from a different vendor
Rich
https://www.fcpeuro.com/blog/porsche-99 ... 4gQAvD_BwE
Rich
https://www.fcpeuro.com/blog/porsche-99 ... 4gQAvD_BwE
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1999 996 coupe Pastel Yellow
1999 996 cabriolet Pastel Yellow
1999 996 coupe race car
1999 Ferrari Yellow 996 coupe
1977 924 Martini
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Upstateguy
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Hey guys thanks for a couple ways to go with the coils situation. I have found that even if I go with the big top 3 companies, it seems they are mostly made in China and Mexico. So why am I paying big bucks for the same thing. These companies are building them for the big 3, Bosch, Bremi, Beru. What's the catch. It's and old beauty with high mileage and only drive it fun extreme fun, maybe 1500k a summer, can't drive in winter around here.
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After my issues with the headlight switch, I would be concerned that the off brands may be the off-spec ones from the name brand that were culled from the inspection run.
2000 C2 Cab with 0 suspension controls.
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Upstateguy
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Hey guys, I see that you are recommending the top tree coil manufacturers but those are outsourced to China as well. Some are still made in Germany but even those are finished in China. This is not to say they are bad, they all have to have stellar quality control, so I'll take my chances with other less expensive ones. They have lifetime warranty, I put them in, I'll do it again. I don't mind working on my car. I'll let uguys know how it works out.
Thanks for the input guys, appreciated.
Thanks for the input guys, appreciated.
My 2 cents: the top three are built/tested to spec A . Any coils that don't meet that spec let's call them B spec . Those are sold under a variety of brands . If my assumption is correct then spec A should be a higher quality part . Unfortunately as consumers we really have no way of knowing what the quality of the parts we are buying . And then there's the whole counterfeit parts problems .
