Part #: 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
$367.52Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship 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
🚚Fast Shipping — Most orders ship same business day before 1pm CST
WAI 11728N Alternator
BrandWAI
Part Number11728N
1212
Fan TypeInternal
Rotation DirectionClockwise (right)
Pulley IncludedYes
FamilyBosch
Pulley Groove Quantity6
Pulley Belt TypeSerpentine
Regulator TypeInternal
Decoupled Or Clutch PulleyYes
Amperage Rating150

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2016AudiA42.0LL4N/ABosch IR/IF, 150 Amp, SC6
2016AudiA4 QuattroN/ABosch IR/IF, 150 Amp, SC6
2016AudiA5 Quattro2.0LL4N/ABosch IR/IF, 150 Amp, SC6
2015AudiA42.0LL4N/ABosch IR/IF, 150 Amp, SC6
2015AudiA4 QuattroN/ABosch IR/IF, 150 Amp, SC6
2015AudiA5 Quattro2.0LL4N/ABosch IR/IF, 150 Amp, SC6
2014AudiA42.0LL4N/AFrom 4/28/2014
2014AudiA4 Quattro2.0LL4N/AFrom 4/28/2014
2014AudiA52.0LL4N/AFrom 4/28/2014
2014AudiA5 Quattro2.0LL4N/AFrom 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.