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OEM or after market?


New member
Ive seen a lot of recommendations for denso COPs and Im interested, but how can you know they are not counterfeit? I see my two local auto stores selling them for more then my toyota parts dept sells OEM. Then i see this site. https://www.densoproducts.com/ Selling denso COPs cheaper then dealer OEM. But is that site really Denso, direct from the manufacturer?

I need the electrical plastic plug that plugs into the COP. Dealer parts 10$ each. Someone needs to make a quality aftermarket, but who?

ditto gas cap or just the rubber. mine dried out. Dealer 32$. Ouch.

Also manifold gasket. Are there any good aftermarket?

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