Updated <font color='green'>Green</font> sensor with square/round connector. Please check existing sensor color
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X for Extreme - Boost X is the next generation in jump packs with an all-new design and more powerful jump starts. This 12V battery jumper will jump gas vehicles up to 8.5L and diesel engines up to 6.5L.
Brand:
ES#:
4389658
Mfg#:
GBX75
Ships in 8 Business Days
22% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$319.99
This product was last offered at the strikethrough price on 08-22-2026
This breakout harness isolates the signal wire from your flex fuel sensor, allowing an external gauge to access the signal without modifying your existing flex fuel harness.
Price includes a $130.00 refundable core charge
We Price Match - Give Us A Call or Chat! For vehicles with 120A alternator only. Check existing amperage listed on back of alternator.
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
