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.
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.
An all-in-one battery starter, DTC code reader, and alternator analyzer.
Easy to use — simply attach to the battery (no need to disconnect) and follow the on-screen instructions
Great tool for shop or home
Blue sensor used by the ECU to control engine fueling
2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
This product was last offered at the strikethrough price on
08-31-2026
Take control of your day.
Length: 8.2 ft
2 Pin
This product was last offered at the strikethrough price on
05-07-2026
The CT5 POWERSPORT (part# 40-339) makes sure you're ready for action every time.
Replacement 4 pin relay
Shut down quickly & remotely - required by many racing organizations
Blue sensor used by the ECU to control engine fueling
10X Entries Into Our F80 M3 Sweepstakes
Replacement 4 pin relay
2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Replacement 4 pin relay
This product was last offered at the strikethrough price on
05-07-2026
Quickly shut down your battery in an emergency.
You never know when you will blow a fuse so it always good to have extra