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Bosch AL0921N AlternatorOE Quality 60-Day Returns
Part #: AL0921N

Bosch AL0921N Alternator

Alternator (New)
30 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$500.70Free Shipping
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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
Alternator (New)
Fitment: Audi and Volkswagen, A3, A3 Quattro, Atlas, Atlas Cross Sport, Golf, Golf Alltrack, Golf R, Golf SportWagen, GTI, Q3, S3, TT Quattro, and TTS Quattro
Easy Returns — Return within 60 days for a full refund
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Not what you need? See all Alternator options
Bosch AL0921N Alternator
BrandBosch
Part NumberAL0921N
PositionAlternator (New)
Voltage12
Fan TypeInternal
Ground TypeNegative
Mounting Configuration CodeShort
Rotation DirectionClockwise (right)
One Wire CapableNo
Pulley IncludedYes
External Regulator IncludedYes
Pulley Groove Quantity6
Outside Pulley Diameter56
Regulator TypeInternal
Decoupled Or Clutch PulleyYes
AC Service TapNo
Amperage Rating140
Mounting TypeFoot-mounted
BrushlessNo
Automotive Item Weight (lbs)14.263908 lb
New Or RemanufacturedNew
Product Length7.322835 in
Pulley Type / Belt Type (Alternator)6s

This part fits 30 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
2021AudiQ32.0LL4N/AAlternator (New)
2020VolkswagenAtlas2.0LL4N/AAlternator (New)
2020VolkswagenAtlas Cross Sport2.0LL4N/AAlternator (New)
2019AudiS32.0LL4N/AAlternator (New)
2019VolkswagenAtlas2.0LL4N/AAlternator (New)
2019VolkswagenGolf Alltrack1.8LL4N/AAlternator (New)
2019VolkswagenGolf R2.0LL4N/AAlternator (New)
2019VolkswagenGolf SportWagen1.8LL4N/AAlternator (New)
2018AudiA32.0LL4N/AAlternator (New)
2018AudiA3 QuattroConvertible2.0LL4N/AAlternator (New)
2018AudiS32.0LL4N/AAlternator (New)
2018AudiTT Quattro2.0LL4N/AAlternator (New)
2018AudiTTS Quattro2.0LL4N/AAlternator (New)
2018VolkswagenAtlas2.0LL4N/AAlternator (New)
2018VolkswagenGolf1.8LL4N/AAlternator (New)
2018VolkswagenGolf Alltrack1.8LL4N/AAlternator (New)
2018VolkswagenGolf R2.0LL4N/AAlternator (New)
2018VolkswagenGolf SportWagen1.8LL4N/AAlternator (New)
2018VolkswagenGTI2.0LL4N/AAlternator (New)
2017AudiA32.0LL4N/AAlternator (New)
2017AudiA3 Quattro2.0LL4N/AAlternator (New)
2017AudiS32.0LL4N/AAlternator (New)
2017AudiTT Quattro2.0LL4N/AAlternator (New)
2017AudiTTS Quattro2.0LL4N/AAlternator (New)
2017VolkswagenGolf1.8LL4N/AAlternator (New)
2017VolkswagenGolf Alltrack1.8LL4N/AAlternator (New)
2017VolkswagenGolf SportWagen1.8LL4N/AAlternator (New)
2017VolkswagenGTI2.0LL4N/AAlternator (New)
2016AudiA3 Quattro2.0LL4N/AAlternator (New)
2015AudiA3 Quattro2.0LL4N/AAlternator (New)

* 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:

06J903023A06J903023G06K903024A06K903024C

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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