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).
High-quality stainless steel sensor, accurate to within +/- 1% Full Scale over -40C to 105C - Includes repeatability, hysteresis and linearity
*General fitment MAP sensor for performance forced induction applications - Not direct fit, modifications may be necessary for install*
Brand:
ES#:
3980550
Mfg#:
30-2130-50
In Stock at Vendor
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$200.99
This product was last offered at the strikethrough price on 07-21-2026
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 07-21-2026
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
Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head
We Price Match - Give Us A Call or Chat! From VIN 8N-Y-015001, split is in the 2000 model year
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.
