The CT5 POWERSPORT (part# 40-339) makes sure you're ready for action every time.
Audi B6 S4 V8 Engine Electrical Parts
- Alternator
- Battery
- ECU
- Fuse Panel
- Harness
- Ignition
- N249 Valve
- Pump
- Relays
- Sensors
- Starter
- Throttle Body
- Wire Covering
- Clearance
Updated <font color='green'>Green</font> sensor with square/round connector. Please check existing sensor color
2X Entries Into Our F80 M3 Sweepstakes
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Install new hardware with your new parts. M8x30
Keep your engine running smooth
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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Stainless steel weld-in nut for any O2 sensor
Keep your motor running smoothly with a set of new spark plugs
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Install new hardware with your new parts. M12X105X90
For vehicles with automatic transmissions
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
09-15-2026
Seal for most clip-in cooling sensors/senders. M19.6x3.6mm
This product was last offered at the strikethrough price on
05-07-2026
Replacement 4 pin relay
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This product was last offered at the strikethrough price on
04-09-2026
Quickly shut down your battery in an emergency.
You never know when you will blow a fuse so it always good to have extra
Located on the side of the camshaft in the cylinder head.
Right side cam position sensor
Tool comes with both 1/2" and 3/8" drive.
O2 Sensor Socket