Improve your fuel economy and restore performance with a new MAF
For vehicles with AEG engine codes
Volkswagen MK4 Engine Electrical Parts
- Alternator
- Battery
- ECU
- Fuse Panel
- Harness
- Ignition
- N249 Valve
- N75 Valve
- Pump
- Relay
- Relays
- Sensors
- Starter
- Throttle Body
- Wire Covering
Replace your cracked and mis-firing coilpack
For vehicles with an AZG, AVH, BEV, or BBW engine code only
Fix that rough idle and get your throttle response back
Located on the rear of the alternator
For 120A Bosch style alternators only
Keep your engine running smooth
For vehicles with AWW or AWP engine codes only
Switch, remote pull, and battery are not included with this or any of the kits.
This product was last offered at the strikethrough price on
05-07-2026
This product was last offered at the strikethrough price on
07-15-2026
For vehicles with 4-speed automatic transmission only
This product was last offered at the strikethrough price on
05-07-2026
Controls actuation of the Combi Valve or Diverter Valve
This product was last offered at the strikethrough price on
05-07-2026
Located on the rear of the alternator
For vehicles with Valeo alternator only
This product was last offered at the strikethrough price on
05-07-2026
Impulse sensor or reference sensor
This product was last offered at the strikethrough price on
05-07-2026
Also known as the RPM or Impulse sensor.
For vehicles with AZG, AVH, or BEV engine codes only
This product was last offered at the strikethrough price on
07-23-2026
A failed 109 Relay can leave you stranded
This product was last offered at the strikethrough price on
05-07-2026
Electrical connection harness to fuel injectors
For vehicles with BEW engine code only
Common remedy for glow plug faults.
For vehicles with ALH engine code up through the 2001 model year