Purchase the wires you need for your electrical bulkhead fitting here. Featuring FEP wire pre-cut to 24" 18 Gauge wire with the appropriate terminal pre-crimped and ready to install!
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Sluggish O2 sensors don't just trigger annoying Check Engine Lights; they cause poor fuel economy, rough idling, and can even degrade your expensive catalytic converters over time.
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There is nothing worse than turning the key and getting the agonizing, slow crank of a dying starter.
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With award-winning Swedish technology, the dual input D250SE allows you to enjoy your vehicle more
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Brand:
ES#:
4492942
Mfg#:
40-315
In Stock
Limited Qty Sale
$569.99
This product was last offered at the strikethrough price on 05-02-2026
Over time, factory oxygen sensors degrade from extreme exhaust heat and carbon buildup, leading to poor fuel economy, lost performance, and failed emissions tests.
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Brand:
ES#:
5481192
Mfg#:
BFR1/2O2SKT
In Stock at Vendor
$327.99
This product was last offered at the strikethrough price on 06-25-2026
Utilizing the industry-standard FTDI chipset, this cable ensures a rock-solid connection between your laptop and your vehicle’s fuel controller.
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Brand:
ES#:
5445417
Mfg#:
N54-USB-SERIAL-H
Ships in 10 Business Days
ON SALE!
SAVE 15%
$37.99
This product was last offered at the strikethrough price on 07-02-2026
This harness is specifically engineered for BMW N54 owners who are upgrading to a front-facing intake manifold.
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Brand:
ES#:
5445388
Mfg#:
VTT-MAP-HARNESS
Ships in 10 Business Days
ON SALE!
SAVE 15%
$59.99
This product was last offered at the strikethrough price on 07-02-2026
With automotive electrical content growing yearly, it has never been more important to keep your charging and electrical system in top working condition. ECS Tuning stocks a huge and constantly growing inventory of electrical sensors, electric motors, and electronic actuators from original equipment and name-brand aftermarket suppliers.
Lifetime Replacement
