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Ignition Switch - Audi (8W1-905-217-F)
2017-2025 Audi - 8W1-905-217-F
- MSRP: $83.33
- Discount: $23.33 (28% off)
- Sale Price: $60.00
- MSRP: $83.33
Review Fitment & Product Details
Details
- Brand:
- SKU:
8W1-905-217-F
- Other Names:
Power Switch, Start Button, Switch
- Description:
Start/Stop Switch. 2017-21. A4 allroad. 2.0L hybrid. Q5 PHEV. 2017-19, switches & controls. Q5 Sportback. Convertible, switches & controls, A5. The original equipment Audi Ignition Switch supplied under part number 8W1-905-217-F initiates combustion at a precisely controlled moment, and because ignition energy demand rises with boost, marginal components fail under load long before they fail at idle. Ordering genuine avoids the fit and durability compromises that come with aftermarket substitutes. Confirm fitment against your vehicle identification number before ordering.
- Replaces:
8W1905217
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 8W1-905-217-F: misfire under acceleration, rough idle, a flashing check engine lamp, hard starting, or a noticeable stumble that comes and goes with load. If several of these appear together, diagnose the assembly as a whole rather than one part. |
| TROUBLESHOOTING | Diagnosis on vehicles using 8W1-905-217-F should start here: identify the misfiring cylinder from live misfire counters, then swap the suspect coil to an adjacent cylinder and confirm whether the fault follows the part before ordering anything. A scan tool with Audi specific coverage will show considerably more than a generic code reader. |
| INSTALLATION | Replacing 8W1-905-217-F requires the correct plug gap and torque, clean plug wells free of oil and debris, and dielectric grease only where the manufacturer specifies it. Allow for the published labor time and any post installation calibration or coding. |
| MAINTENANCE | Preventive maintenance around 8W1-905-217-F means replacing spark plugs on the factory interval, which is shortened on tuned or high load applications because a wider gap demands more coil energy. Use fluids and parts that meet the Audi specification for the vehicle. |
| GENERAL_NOTES | Before purchasing 8W1-905-217-F, note that mixing plug heat ranges or brands across cylinders creates uneven combustion, so replace plugs as a complete set. If you are unsure about fitment, provide the vehicle identification number and our parts team will confirm it. |
| REPLACEMENTS | Commonly replaced alongside 8W1-905-217-F: spark plugs, coil seals, and plug well seals are replaced together, and any oil found in a plug well points to a valve cover gasket that needs attention. Most of the labor here is access, so replacing adjacent wear items now costs very little extra. |
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