Seal for most clip-in cooling sensors/senders. M19.6x3.6mm
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Seal for most clip-in cooling sensors/senders. M19.6x3.6mm
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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).
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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 7.5L and diesel engines up to 5.0L.
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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
06-09-2026
Don't scratch your paint with your battery tender.
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Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades.
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Please reference original part number from existing connector to confirm fitment, prior to ordering. *OEM
This product was last offered at the strikethrough price on
05-02-2026
Engages the magnetic clutch on the compressor
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This product was last offered at the strikethrough price on
05-07-2026
Secures the starter to the transmission. M12x110
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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
06-09-2026
Also known as the RPM sensor
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AAH, AFC Engine Codes Only
Includes connector housing with terminals and seals. Bosch style connector used in various positions on the cars.
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This product was last offered at the strikethrough price on
05-02-2026
Shut down quickly & remotely - required by many racing organizations
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The CTEK storage bag is tough, durable, and lightweight to protect your battery tender and keep it safe from the elements – wherever you take it.
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This product was last offered at the strikethrough price on
05-02-2026
Replacement 4 pin relay
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This product was last offered at the strikethrough price on
05-07-2026
An all-in-one battery starter, DTC code reader, and alternator analyzer.
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You never know when you will blow a fuse so it always good to have extra
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Restore lost MPGS and clear codes.
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This product was last offered at the strikethrough price on
05-02-2026
Easy to use — simply attach to the battery (no need to disconnect) and follow the on-screen instructions
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