Air Pump
Audi B5 A4 Quattro V6 30v
Runs during cold start periods for reduced engine emissions
Very common failure on Volkswagens and Audis. Part of the Secondary Air Injection System used to lower emissions during cold starts.
| Make | Model | Submodel | Engine |
|---|---|---|---|
| Audi | All Road | All | 4.2l |
| Audi | B5 A4 | All | 1.8T |
| Audi | B5 A4 | All | V6 30v |
| Audi | C5 A6 | All | 4.2 |
| Audi | C5 S6 | All | All |
| Audi | TT MKI | All | All |
| Volkswagen | 337/20AE | All | All |
| Volkswagen | Golf IV | All | 1.8T |
| Volkswagen | Jetta IV | All | 1.8T |
| Volkswagen | Jetta IV GLI | All | 1.8T |
| Volkswagen | Passat B5 | All | 1.8T |
| Volkswagen | Passat B5 | All | V6 30v |
Mfg Part# 078906601M ES#1844013
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