OE's Go Off-Platform

When OE's go off-platform and source, their OE Aftermarket parts look and perform differently

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Here the OE and OE aftermarket coils don’t match – their bobbin segmentation is different.

SMP’s design is superior to the OE aftermarket part and we’ve designed a coil that overcomes the OE flaws. Our non-segmented bobbin eliminates epoxy air pockets while our one-piece overmolded terminal design prevents moisture intrusion for a long lasting, high-performing coil.

Source: SMP Poland Testing Lab, 2018

The Test Results are in

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BWD® coils outperform the OE and OE aftermarket coils with more spark energy and longer lasting discharge to deliver improved performance and fuel economy.

Source: SMP Poland Testing Lab, 2018

Who's the Original Manufacturer?

We examine every OE platform manufacturer in our categories

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More than half of our coil sales are for vehicles produced by OE’s that do not offer an aftermarket program including our top 5 selling coils (25% of our coil sales).

OE Off-Platform Sourcing

Many OE’s use non-OE product in their aftermarket programs

Once a part comes off-platform, these OE’s source, rather than manufacture – OE’s aren’t built for “short-run” requirements.

We estimate that one OE is sourcing approximately 73% of its aftermarket coils from China.

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