WAIPart #: 11728N

WAI 11728N Alternator
⚙️ 10 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Audi, A4, A4 Quattro, A5, and A5 Quattro
🔄Easy Returns — Return within 60 days for a full refund
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WAI 11728N Alternator
| Brand | WAI |
| Part Number | 11728N |
| 12 | 12 |
| Fan Type | Internal |
| Rotation Direction | Clockwise (right) |
| Pulley Included | Yes |
| Family | Bosch |
| Pulley Groove Quantity | 6 |
| Pulley Belt Type | Serpentine |
| Regulator Type | Internal |
| Decoupled Or Clutch Pulley | Yes |
| Amperage Rating | 150 |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2016 | Audi | A4 | 2.0L | L4 | N/A | Bosch IR/IF, 150 Amp, SC6 |
| 2016 | Audi | A4 Quattro | N/A | Bosch IR/IF, 150 Amp, SC6 | ||
| 2016 | Audi | A5 Quattro | 2.0L | L4 | N/A | Bosch IR/IF, 150 Amp, SC6 |
| 2015 | Audi | A4 | 2.0L | L4 | N/A | Bosch IR/IF, 150 Amp, SC6 |
| 2015 | Audi | A4 Quattro | N/A | Bosch IR/IF, 150 Amp, SC6 | ||
| 2015 | Audi | A5 Quattro | 2.0L | L4 | N/A | Bosch IR/IF, 150 Amp, SC6 |
| 2014 | Audi | A4 | 2.0L | L4 | N/A | From 4/28/2014 |
| 2014 | Audi | A4 Quattro | 2.0L | L4 | N/A | From 4/28/2014 |
| 2014 | Audi | A5 | 2.0L | L4 | N/A | From 4/28/2014 |
| 2014 | Audi | A5 Quattro | 2.0L | L4 | N/A | From 4/28/2014 |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
0 125 711 15206H-903-018J06H-903-018JX11728
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.