An all-in-one battery starter, DTC code reader, and alternator analyzer.
Audi B9 S4 Quattro 3.0T Engine Electrical Parts
Easy to use — simply attach to the battery (no need to disconnect) and follow the on-screen instructions
Great tool for shop or home
Take control of your day.
Replace your pesky OEM ignition coil tiedown studs with these titanium bolts!
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Replace your pesky OEM ignition coil tiedown studs with these titanium bolts!
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Also referred to as the impulse sender
2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Also referred to as the impulse sender
This product was last offered at the strikethrough price on
04-11-2026
Monitors coolant temperature for fan control & gauge readings
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
09-05-2026
Keep your engine running smooth
5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Shut down quickly & remotely - required by many racing organizations
The CT5 POWERSPORT (part# 40-339) makes sure you're ready for action every time.
Shut down quickly & remotely - required by many racing organizations
Stainless steel weld-in nut for any O2 sensor
Monitors coolant temperature for fan control & gauge readings
This product was last offered at the strikethrough price on
05-07-2026
Also referred to as the impulse sender
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
09-05-2026