Aftermarket Injector O-rings Question

[Averying]

I’m wondering if OEM injector O-rings fit on my aftermarket injectors. Do OEM seals typically fit the aftermarket injectors for our cars?

I’ve got a set of Denso 600cc injectors from my GTM Stage 1 supercharger kit. Pretty sure these are the blue (sorta teal color) Deatschwerks/Denso 600cc injectors that also came with the Stillen kit but I can’t confirm.


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[NorthStyle]

I assume you're purchasing new OEM and not reusing, yes? But, since the injectors were made to fit the same fuel rail, there's a good chance the OEM o-rings should fit. Still, I'd check with the manufacturer to be 100% sure unless you have one of each laying around to compare.

[Averying]

Originally Posted by NorthStyle

I assume you're purchasing new OEM and not reusing, yes? But, since the injectors were made to fit the same fuel rail, there's a good chance the OEM o-rings should fit. Still, I'd check with the manufacturer to be 100% sure unless you have one of each laying around to compare.

Correct id get new OEM seals. I thought about reusing the seals that are currently installed on these injectors since they seem like they’re in good shape (~25k miles, ~12 years installed), but it seems like cheap insurance to just replace them with new while I’ve got everything apart


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