SKU: 3048464012

Alternator 12V 140A for VW Golf 5/6, Jetta 5/6 & Audi A3 - ALT1242A

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Description

Alternator 12V 140A for VW Golf 5/6, Jetta 5/6 & Audi A3 - ALT1242AVehicle Fitment & Part Details This alternator (ALT1242A, OE 03L 903 023 F) fits a broad range of VAG platform vehicles including VW Golf 5 6 7, Jetta 4 5 6, Polo, Passat, Tiguan, Touran, Caddy, Transporter T5, Crafter, CC, Sharan, Scirocco, Beetle, Polo Vivo, and Audi A1, A3, A4, Q3, TT, S3, and RS3. The alternator generates electrical power and charges the battery while the engine runs. Confirm compatibility by matching the listed fitment details,

Vehicle Fitment & Part Details

This alternator (ALT1242A, OE 03L-903-023-F) fits a broad range of VAG platform vehicles including VW Golf 5/6/7, Jetta 4/5/6, Polo, Passat, Tiguan, Touran, Caddy, Transporter T5, Crafter, CC, Sharan, Scirocco, Beetle, Polo Vivo, and Audi A1, A3, A4, Q3, TT, S3, and RS3. The alternator generates electrical power and charges the battery while the engine runs. Confirm compatibility by matching the listed fitment details, OEM reference numbers, and VIN/engine/chassis information where variants exist.

Key Details

SKU
ALT1242A
Component
Alternator

OEM Reference Numbers

  • VAG: 03L-903-023-F
  • 03L-903-023F
  • 03L903023F
  • 03L-903-023-FX
  • 03L903023FX
  • 06F-903-023A
  • 06F903023A
  • 06F-903-023AX
  • 06F903023AX
  • 06F-903-023-C
  • 06F-903-023C
  • Mercedes-Benz: HVAG0001540102
  • HVW 000 154 01 02

Product Specifications

Specification Value
Voltage 12 V
Charging Current 140 A
For Manufacturer (Regulator Type) Valeo
Number of Ribs 6
Pulley With freewheel (overrunning) belt pulley

Vehicle Fitment

Includes 73 supplied applications.

View Full Vehicle Fitment (73 applications)
Make Model Engine Code Power Years
Audi A1 1.2 TFSi CBZA 71 kW 2011-
Audi A1 1.6 TDi CAYB 79.5 kW 2011-
Audi A1 1.6 TDi CAYC 79.5 kW 2010-2015
Audi A1 1.2 TFSi Sportback CBZA 71 kW 2012-
Audi A1 1.6 TDi Sportback CAYC 79.5 kW 2011-
Audi A3 1.6 TDi CAYC 79.5 kW 2010-2013
Audi A3 1.9 TDi BLS, BXE, BK 79.5 kW 2008-2010
Audi A3 2.0 FSi AXW, BMB 82.5 kW 2004-2005
Audi A3 2.0 TDi BKD 81 kW 2003-2012
Audi A3 2.0 TDi CBAB, CFFB 81 kW 2003-2012
Audi A3 2.0 TDi BMM 81 kW 2005-2012
Audi A3 2.0 TFSi AXX, CAWB 82.5 kW 2005-2013
Audi A3 1.6 TDi Sportback CAYC 79.5 kW 2010-2013
Audi A3 1.9 TDi Sportback BLS, BXE, BK 79.5 kW 2008-2010
Audi A3 2.0 FSi Sportback BLX, BLY, BV 82.5 kW 2004-2005
Audi A3 2.0 TDi Sportback BKD 81 kW 2004-2013
Audi A3 2.0 TDi Sportback CBAB, CFFB 81 kW 2004-2012
Audi A3 2.0 TFSi Sportback AXX, BWA, CA 82.5 kW 2004-2013
Audi A3 3.2 V6 Sportback BDB, BUB, BM 84 kW 2004-2009
Audi A3 RS3 2.5 TFSi Quattro CEPA 82.5 kW 2011-2013
Audi A4 1.9 TDi AVF 79.5 kW 2001-2005
Audi Q3 2.0 TDi CFFB, CLJA 81 kW 2012-
Audi Q3 2.0 TDi Quattro CFGC, CLLB 81 kW 2012-
Audi S3 2.0 TFSi BZC 82.5 kW 2007-2012
Audi TT 2.0 TFSI BWA, BPY, CC 82.5 kW 2007-2010
Audi TT 2.0 TTS Quattro CDLA, CDMA 82.5 kW 2008-2014
Audi TT 3.2 V6 BHE 84 kW 2004-2006
VW Beetle 1.2 TSi CBZB 71 kW 2011-
VW Beetle 1.2 TSi CYVD 71 kW 2014-
VW CC 2.0 TDi CFGB, CLLA 81 kW 2011-2013
VW CC 2.0 TDi CFGC 81 kW 2013-2016
VW Golf 3 2.8 VR6 AAA 81 kW 1993-1996
VW Golf 5 1.6 BGU, BSF 81 kW 2004-2008
VW Golf 5 1.9 TDi BKC, BXE 79.5 kW 2004-2008
VW Golf 5 2.0 Comfortline BEV, BHY 82.5 kW 2005-2009
VW Golf 5 2.0 FSi AXW 82.5 kW 2004-2008
VW Golf 5 2.0 FSi BLY 82.5 kW 2004-2008
VW Golf 5 2.0 GTi AXX, BWA, CA 82.5 kW 2004-2008
VW Golf 5 2.0 TDi BKD 81 kW 2004-2008
VW Golf 6 1.6 TDi Comfortline CAYC 79.5 kW 2009-2013
VW Golf 6 1.6 Trendline BSE, BSF 81 kW 2009-2013
VW Golf 6 2.0 TSi GTi CDLG 82.5 kW 2012-2013
VW Golf 6 2.0 TDi CBAB 81 kW 2009-2013
VW Golf 6 2.0 TDi CFFB, CJAA 81 kW 2009-2013
VW Golf 6 2.0 TSi R 4Motion CDLC, CRZA 82.5 kW 2011-2013
VW Golf 7 2.0 TDi CRVA, CYKB 81 kW 2013-
VW Golf 7 2.0 TDi CRLB/MB/BC 81 kW 2013-
VW Jetta 4 1.6i AKL 81 kW 1999-2004
VW Jetta 4 2.0i APK, AZJ, AQ 82.5 kW 1999-2005
VW Jetta 4 2.3 V5 AGZ 81 kW 1999-2001
VW Jetta 4 2.3 V5 AQN 81 kW 2002-2005
VW Jetta 5 1.6 BGU, BSE, BS 81 kW 2006-2010
VW Jetta 5 1.6 TDi CAYC 79.5 kW 2009-2010
VW Jetta 5 1.9 TDi BKC/BLS 79.5 kW 2006-2010
VW Jetta 5 2.0 FSi BLR, BVY, BV 82.5 kW 2006-2010
VW Jetta 5 2.0 TFSi BWA, BPY, CA 82.5 kW 2006-2010
VW Jetta 5 2.0 TDi BMN, CEGA 81 kW 2006-2010
VW Jetta 5 2.0 TDi BKD, CBDB 81 kW 2006-2010
VW Jetta 6 1.2 TSi CBZB 71 kW 2011-
VW Jetta 6 1.6 TDi CAYC, CAYX 79.5 kW 2011-2015
VW Jetta 6 2.0 TDi CFFB, CFHC 81 kW 2011-
VW Passat 1.9 TDi BKC/BLS 79.5 kW 2005-2009
VW Passat 2.0 FSi BLR, BLY, BV 82.5 kW 2005-2008
VW Passat 2.0 TFSi AXX, BWA, BP 82.5 kW 2005-2010
VW Passat 2.0 TDi BKP, CBAB 81 kW 2005-2011
VW Passat 2.0 TDi CBDC 81 kW 2009-2011
VW Passat 3.2 V6 AXZ 84 kW 2005-2010
VW Polo 1.6i Sedan BTS 76.5 kW 2006-2010
VW Polo 1.6i Sedan BUD 76.5 kW 2006-2010
VW Polo 1.6 TDi CAYB 79.5 kW 2009-2011
VW Polo 1.6 TDi CAYC, CLNA 79.5 kW 2010-
VW Polo 1.9 TDi ASZ 79.5 kW 2006-2010
VW Polo Vivo 1.6i 5DR CLSA 76.5 kW 2010-2017
VW Polo Vivo 1.6i Maxx CLSA 76.5 kW 2013-
VW Polo Vivo 1.6i 5DR CLSA 76.5 kW 2018-
VW Scirocco 2.0 TSi R CDLC 82.5 kW 2011-2013
VW Sharan 1.8T AJH, AWC 81 kW 1999-2002
VW Sharan 1.8T AWC 81 kW 2002-2006
VW Sharan 1.9 TDi ASZ 79.5 kW 2002-2006
VW Sharan 2.8 V6 AYL 81 kW 2001-2006
VW Tiguan 2.0 TDi CBAB, CFFB 81 kW 2008-2010
VW Tiguan 2.0 TDi CFFD 81 kW 2011-2016
VW Touran 1.2 TSi CBZB 71 kW 2011-2016
VW Touran 1.6 BGU, BSF 81 kW 2007-2011
VW Touran 1.9 TDi AVQ 79.5 kW 2004-2011
VW Touran 1.9 TDi BKC, BLS, BX 79.5 kW 2004-2011
VW Touran 2.0 FSi AXW 82.5 kW 2004-2007
VW Touran 2.0 TDi BMM 81 kW 2005-2010
VW Touran 2.0 TDi CLCA 81 kW 2011-2016
VW Caddy 1.6i BGU, BSF 81 kW 2004-2015
VW Caddy 1.9 TDI BJB, BLS 79.5 kW 2004-2010
VW Caddy 2.0 SDI BDJ, BST 81 kW 2004-2010
VW Caddy 2.0 TDI CFHF, CLCA 81 kW 2010-2016
VW Caddy 2.0 TDI DSG CFHC 81 kW 2011-2015
VW Crafter 35 2.5 TDi SWB BJK, CEBB 81 kW 2006-
VW Crafter 35 2.5 TDi SWB BJM, CECB 81 kW 2006-
VW Crafter 50 2.5 TDi LWB BJK, CEBB 81 kW 2006-
VW Crafter 50 2.5 TDi LWB BJM, CECB 81 kW 2006-
VW Kombi T5 1.9 TDi 4C AXB 79.5 kW 2004-2010
VW Transporter 1.9 TDI AXB 79.5 kW 2005-2009

Fitment Notes

  • Always match OEM reference number(s) and vehicle details before ordering. Confirm exact fitment using VIN, engine code, or chassis number if multiple variants exist.
  • This alternator is specified with a Valeo-type regulator, 6-rib pulley, and overrunning (freewheel) belt pulley - confirm the removed unit matches these details before ordering.

Installation / Use / Maintenance Tips

  • Disconnect the battery before removing or installing the alternator.
  • Inspect the drive belt, tensioner, pulley alignment, and charging cables before fitting the new unit.
  • Ensure the main B+ terminal and plug connections are clean and secure.
  • After installation, verify charging voltage at idle and at load, and confirm no battery or charging warnings remain.

Common Questions

Will this alternator fit my VW or Audi?
This part (ALT1242A) is listed for the fitments shown on this page. Confirm by matching the fitment details, OEM number, and VIN/engine code where variants exist.

What OEM part numbers does this cross-reference?
Cross-reference numbers are listed in the OEM Reference Numbers section above. Match at least one to your original part before ordering.

How do I confirm fitment if there are multiple variants?
Use VIN, engine code, and chassis/platform details and compare them to the fitment section above. If unsure, request fitment assistance before ordering.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 3048464012

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4.8 ★★★★★
Based on 29 reviews
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Product Reviews
B
Verified Purchase
Beccaroo
Port Orchard, US
★★★★★ 4
Fluffy and Nice Omegaverse
Format: Kindle
… this would have made 5 stars but for 2 reasons. A.) there were quite a few typos; misspelled words, missing quotations, “the his” mistakes, and various signs that maybe a proofread would do good. B.) the writing was quite textbook. Late blooming omega is struggling with her new self, finds a absurdly wealthy pack of alphas, every thing is almost insta-love but she resists, then decides to love herself and let everyone be happy. Rian was my favourite (obviously the author’s favourite too because he got the most page time) but I wish we could see more of his CEO side? He went to work maybe ONCE the entire time. Gray was supposed to be the “growly one” but he turned out to be puppy dog. Lucas was a genius brainiac doctor - but also super alpha with an aggressive hindbrain with a breeding k*nk?? And then there was no actual “breeding”?? Spice 3/5 - normally omegaverse books are super high on messy smut but this was tamer. Romance 3/5 - insta-love that was then resisted because of personal hangup’s Plot 2/5 - weird paced head hopping, showing the same scene from different POV’s that made me feel like it was 2 steps backward, 1 step forward. Humour 4/5 - there were a dozen lines that genuinely made me chuckle out loud Would have been five stars but the lack of proofreading and the predictable plot made me unable to get up to ADORED IT level - four stars is still and official ENJOYED IT, y’all. This isn’t a bad rating. The “Club Heat” has intriguing possibilities so I’m going to give the second one a shot.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 31, 2023
R
Verified Purchase
Ruth Ann Burt
Louisville, US
★★★★★ 5
Great book
Format: Kindle
I absolutely feel in love with all 4 characters!!! The bedroom scenes were 🌋🌡🔥🔥🔥. I couldn't put this book down!!! I'm hooked for the whole series Book 2 here I come!!!!! Its a fun easy book and story to read!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 4, 2024
D
Verified Purchase
Danyelle
Port Orchard, US
★★★★★ 4
Fun with a late blooming omega
Format: Kindle
I like this book. The story is fun, cute, and sexy. There's just a little drama, some excellent, steamy scenes, and a fairly good relationship building storyline. I especially like how all the main characters are a bit older than the usual 20 somethings I tend to see in this kind of book. Having said that, I wish there were more descriptions of the places, as well as the food in the fancy restaurant. I enjoyed the cocktails at the club, so I missed that kind of detail when Gray took Madison on a dinner date. I also wish there had been more interaction between Lucas and Madison, and Lucas and Rian. It felt a bit lopsided, with a focus on Rian, Madison, and Gray. I wish it had been proofread - there are a lot of typos, but nothing too distracting.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 12, 2022
J
Verified Purchase
Jennifer G
Chelsea, US
★★★★★ 3
Madison Deserved Better
Format: Kindle
Madison was a beta...except she wasn't any longer. She was a late presenting Omega. And she was struggling. She was tall and thin, not tiny and curvy. She was opinionated. She was everything an Omega was not. After suffering through her first heat, her friends took her to Ardor, a club where Omegas came to safely find Alphas. She's not expecting much but then she connects with a sexy beta. And when she meets his Alphas, they set her body on fire. Maybe, she's found her no-strings-attached heat pack. Maybe, she's found something more. I could not connect with the characters in this book, so their story never resonated with me. And there was no love story; there was sex. Grey made it clear from the beginning that he had a true love and it was his beta boy, Rian. He went so far as to reassure Rian “Say the word, I’ll never touch her again. Lucas can put the babies in her. I only need you, beta boy”. So, Madison was there for babies, no emotions needed. Nice. No, thank you. I want the Omega to be the center of their world, not an incubator. Lucas and Rian weren't any better. After her heat, they let her leave. Not one of them made her feel valued. No one gave her a reason to stay or even offered a cuddle. And the sex didn't even come across as mind-blowing. Madison deserved better.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 11, 2025
O
Verified Purchase
Oregon BookWorm
Port Orchard, US
★★★★★ 5
No breakup, very sweet, instalove
Format: Kindle
Omegaverse and doesn't disappoint! Sweet guys, newly Omega FMC. The boyfriends are boyfriends. What's not to love? No angst, no breakup.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 23, 2025

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