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Evaporative Emissions System Lines - Audi (420-201-163-B)
2008-2015 Audi R8 - 420-201-163-B
Review Fitment & Product Details
Details
- Brand:
- SKU:
420-201-163-B
- Positions: Lower
- Other Names:
Vent Tube, Tube
- Description:
Coupe. lower. This genuine Audi Evaporative Emissions System Lines, part number 420-201-163-B, keeps the exhaust and evaporative streams within regulated limits, and because the engine management strategy adapts around these components, a degraded unit affects drivability as well as emissions compliance. Every genuine Audi part is validated against the same specification as the original equipment component. Confirm fitment against your vehicle identification number before ordering.
- Notes: Included with fuel tank.
California Proposition 65
WARNING: Cancer and reproductive harm - www.P65Warnings.ca.gov Pricing is valid online only and may vary in your local store
Vehicle Fitment
Vehicle Fitment
| Year | Make | Model | Body & Trim | Engine & Transmission |
|---|
Key Product Information
Additional Information
| SYMPTOMS | Drivers usually notice the following before replacing 420-201-163-B: a check engine lamp, failed emissions inspection, fuel smell around the vehicle, reduced power or a regeneration warning on diesel applications, or a rattle from a broken internal substrate. Confirm the complaint against the vehicle identification number and option content before ordering. |
| TROUBLESHOOTING | A practical check before condemning 420-201-163-B: read freeze frame data along with the code, since an efficiency fault often traces back to an upstream misfire, oil consumption, or leak rather than the emissions component itself. Compare against a known good side or a reference value wherever one is available. |
| INSTALLATION | Replacing 420-201-163-B requires all upstream faults to be corrected first, otherwise the same condition that destroyed the original component will destroy the replacement. Confirm correct operation and scan for stored faults before returning the vehicle to service. |
| MAINTENANCE | Service upkeep for this emissions component (420-201-163-B) means keeping the engine in good tune, using the correct fuel, and completing regeneration cycles rather than interrupting them on diesel applications. Consistent service intervals matter more than mileage alone on this system. |
| GENERAL_NOTES | Ordering note for 420-201-163-B: emissions components are federally regulated and may carry a separate warranty period from the balance of the vehicle. Aftermarket equivalents often differ in material and tolerance, which shows up during installation. |
| FAULT_CODES | Fault codes commonly stored when this component fails, applicable to part 420-201-163-B: P0441, P0442, P0443, P0455, and P0456 covering evaporative emission purge flow, valve circuit, and small or large leak detection. |
| REPLACEMENTS | Associated components for the 420-201-163-B repair: gaskets, clamps, hangers, and affected oxygen sensors are renewed with the component to guarantee a sealed, leak free installation. Check the repair manual for the full list of single use fasteners for this procedure. |
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