The CT5 POWERSPORT (part# 40-339) makes sure you're ready for action every time.
Audi B5 A4 FWD 1.8T Engine Electrical Parts
- Alternator
- Battery
- Cruise Control
- ECU
- Fuse Panel
- Harness
- Ignition
- N249 Valve
- N75 Valve
- Pump
- Relay
- Relays
- Sensors
- Starter
- Throttle Body
- Wire Covering
Updated green 4 pin sensor, replaces old blue sensors. For vehicles with square connector.
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This product was last offered at the strikethrough price on
08-13-2026
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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From VIN 8D-Y-000001, split is in the 2000 model year
Protects the voltage regulator
For 90 amp alternators from VIN 8D-X-200001, split is in the 1999 model year
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
Also known as the RPM or speed sensor
For vehicles with AEB or ATW engine codes only.
Shut down quickly & remotely - required by many racing organizations
Restore fuel economy and performance
Up To VIN 8D-W-080000, split is in the 1998 model year
Connects the metal pipes in the air pump system
10X Entries Into Our F80 M3 Sweepstakes
Engine codes ATW & AWM
This product was last offered at the strikethrough price on
08-23-2026
Restore fuel economy and performance
Measures cam position and relays it to the ECU
Stainless steel weld-in nut for any O2 sensor
Mounted on the bottom of the oil pan
Seals the connection between the speed sensor and the engine
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
Measures cam position and relays it to the ECU
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This product was last offered at the strikethrough price on
09-03-2026
Cure misfires and clear the check engine light
5X Entries Into Our F80 M3 Sweepstakes
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Engine code AEB - For vehicles with Bosch style ICM
Connects the secondary air pump to the air box
Engine codes ATW & AWM