The MUS 4.3 POLAR (Part No. 56-958) has been specially developed to offer excellent all-around charging with special cold weather performance and adapted AC and DC cables to handle severe cold down to -22°F (-30°C).
Located under the vehicle, near the transmission bellhousing or in the rear. Used to diagnose leaks in the evap system.
We Price Match - Give Us A Call or Chat! For vehicles with production date from 10/20Located under the vehicle, near the transmission bellhousing or in the rear. Used to diagnose leaks in the evap system.01
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 7.5L and diesel engines up to 5.0L.
Brand:
ES#:
4389654
Mfg#:
GBX55
Ships in 8 Business Days
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$219.99
This product was last offered at the strikethrough price on 07-20-2026
Includes connector housing with terminals and seals. Commonly used for the crankshaft position sensor.
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4772588
Mfg#:
12521433916
In Stock
ON SALE!
SAVE 25%
$10.99
This product was last offered at the strikethrough price on 06-13-2026
Includes connector housing with terminals and seals. Bosch style connector used in various positions on the cars.
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4875873
Mfg#:
LK2M
In Stock
ON SALE!
SAVE 29%
$6.99
This product was last offered at the strikethrough price on 06-13-2026
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
