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Bosch AL0834N - Alternator
Product Overview
The Bosch Alternator (140A) AL0834N is engineered to meet or exceed OEM standards, providing reliable power for your vehicle's electrical system. This premium-grade alternator is designed specifically for various models from Volkswagen and Audi, ensuring a perfect fit and optimal performance. With Bosch's commitment to quality, you can trust that this product will deliver the durability and efficiency your vehicle needs. Choose Bosch AL0834N for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This Bosch AL0834N is equivalent to or replaces the following part numbers: 06F903023C, 06F903023F, 06F903023H.
Vehicle Compatibility
- Volkswagen Jetta 2.0 L4 (2010–2015)
- Volkswagen Golf 2.0 L4 (2010–2015)
- Volkswagen Beetle 2.0 L4 (2014)
- Audi A3 2.0 L4 (2006–2013)
- Audi TT 2.0 L4 (2008–2009)
- Audi A3 Quattro 3.2 V6 (2006–2009)
- Volkswagen Passat 2.0 L4 (2006–2008)
- Volkswagen Golf R 2.0 L4 (2010–2013)
- Volkswagen Jetta TDI (2010–2015)
- Volkswagen Golf TDI (2010–2015)
This may also fits other applications. Please use the vehicle selector tool to verify fitment.
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- Proven Expertise: Over 25 years of experience with European vehicles means we know your car inside and out.
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- Established Trust: Serving the European auto community since 2000.
Frequently Asked Questions
What does the Bosch AL0834N Alternator do?
The Bosch alternator is responsible for converting mechanical energy from the engine into electrical energy to power the vehicle's electrical systems and recharge the battery. It ensures that all electrical components operate efficiently, keeping your vehicle running smoothly.
How do I know if my Alternator needs replacement?
Key signs that the alternator may need replacement include dimming headlights, a battery warning light on the dashboard, electrical malfunctions, and difficulty starting the vehicle. If you experience any of these symptoms, it's wise to have the alternator inspected.
Can I install the Bosch AL0834N myself?
Yes, you can install the Bosch AL0834N yourself if you have basic automotive knowledge and tools. However, ensure that you follow all safety precautions, and consult a professional if you are unsure about the installation process.
What are the symptoms of a faulty Alternator?
Symptoms of a failing alternator include dimming or flickering dashboard lights, an illuminated battery warning light, and electrical component failures. If you see DTCs such as P0562, P0563, or P0620, it may indicate a failing alternator.
Why should I choose Bosch for my Alternator needs?
Bosch is a trusted name in automotive components, known for its quality and performance. Order Bosch AL0834N today for a factory-correct replacement that restores safety and performance.
Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.
- BrandBosch
- ManufacturerBosch
- MPNAL0834N
- Part TypeAlternator
- OE Part Numbers06F903023C, 06F903023H, 03L903023F, 06F903023F
- FeaturesAlternator Finish : Aluminum
Alternator/Generator Rotation : Clockwise
Amperage Rating : 140
Brushless : No
Case Material : Aluminum
Fan Type : Internal
New Or Remanufactured : New
Outside Pulley Diameter : 56.2
Plug Clock Rear View Main Mounting Ear at 6 O Clock : 1
Product Length : 7.913386 in
Prop 65 Warning Label Required? : No
Pulley Groove Quantity : 6
Pulley Included : Yes
Pulley Type / Belt Type (Alternator) : 6S-CP
Regulator Type : Internal
Voltage : 12
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2007 | Volkswagen | Passat | 2.0T (2.0 L4 GAS) | Notes: To 140 Amp Alternator, with Valeo Unit, Notes: with Bosch Unit, To 140 Amp Alternator |
| 2007 | Volkswagen | Passat | Value Edition (2.0 L4 GAS) | Notes: To 140 Amp Alternator, with Valeo Unit, Notes: with Bosch Unit, To 140 Amp Alternator |
| 2007 | Volkswagen | Passat | Wolfsburg Edition (2.0 L4 GAS) | Notes: To 140 Amp Alternator, with Valeo Unit, Notes: with Bosch Unit, To 140 Amp Alternator |
| 2007 | Volkswagen | Passat | 3.6 (3.6 V6 GAS) | Notes: To 140 Amp Alternator, with Bosch Unit, with Valeo Unit |
| 2007 | Volkswagen | Jetta | 2.0T (2.0 L4 GAS) | Notes: To 140 Amp Alternator |
| 2007 | Volkswagen | Jetta | GLI (2.0 L4 GAS) | Notes: To 140 Amp Alternator |
| 2007 | Audi | A3 | Base (2.0 L4 GAS) | Notes: with Bosch Unit, To 140 Amp Alternator, with Valeo Unit |
| 2007 | Audi | A3 Quattro | Base (3.2 V6 GAS) | Notes: To 140 Amp Alternator, with Bosch Unit, with Valeo Unit |
| 2008 | Audi | TT | Base (2.0 L4 GAS) | Notes: To 140 Amp Alternator, with Bosch Unit, with Valeo Unit |
| 2008 | Audi | A3 | Base (2.0 L4 GAS) | VIN: F, Notes: with Bosch Unit, To 140 Amp Alternator, with Valeo Unit |
| 2008 | Audi | A3 Quattro | Base (3.2 V6 GAS) | Notes: To 140 Amp Alternator |
| 2008 | Volkswagen | Passat | Komfort (2.0 L4 GAS) | Engine: BPY, Notes: with Bosch Unit, To 140 Amp Alternator, with Valeo Unit |
| 2008 | Volkswagen | Passat | Lux (2.0 L4 GAS) | Engine: BPY, Notes: with Bosch Unit, To 140 Amp Alternator, with Valeo Unit |
| 2008 | Volkswagen | Passat | Turbo (2.0 L4 GAS) | Engine: BPY, Notes: with Bosch Unit, To 140 Amp Alternator, with Valeo Unit |
| 2008 | Volkswagen | GTI | Base (2.0 L4 GAS) | Engine: BPY, Notes: To 140 Amp Alternator, with Bosch Unit, with Valeo Unit |
| 2008 | Volkswagen | Jetta | GLI (2.0 L4 GAS) | Engine: BPY, Notes: To 140 Amp Alternator |
| 2008 | Volkswagen | Jetta | Wolfsburg Edition (2.0 L4 GAS) | Engine: BPY, Notes: To 140 Amp Alternator |
| 2009 | Audi | TT | Base (2.0 L4 GAS) | VIN: F, Notes: To 140 Amp Alternator, with Bosch Unit, with Valeo Unit |
| 2009 | Audi | TTS Quattro | Base (2.0 L4 GAS) | Notes: with Bosch Unit, with Valeo Unit, Notes: with Bosch Unit, To 140 Amp Alternator, with Valeo Unit |
| 2009 | Audi | A3 Quattro | Base (3.2 V6 GAS) | Notes: To 140 Amp Alternator |
| 2009 | Volkswagen | Jetta | GLI (2.0 L4 GAS) | Notes: To 140 Amp Alternator |
| 2009 | Volkswagen | Jetta | SEL (2.0 L4 GAS) | Notes: To 140 Amp Alternator |
| 2009 | Volkswagen | Jetta | TDI (2.0 L4 DIESEL) | Notes: To 140 Amp Alternator |
| 2009 | Volkswagen | Jetta | Wolfsburg Edition (2.0 L4 GAS) | Notes: To 140 Amp Alternator |
| 2010 | Audi | A3 | Base (2.0 L4 GAS) | Notes: with Bosch Unit, To 140 Amp Alternator, with Valeo Unit |
| 2010 | Audi | A3 | TDI (2.0 L4 DIESEL) | Notes: with Bosch Unit, To 140 Amp Alternator, with Valeo Unit |
| 2010 | Audi | TTS Quattro | Base (2.0 L4 GAS) | Notes: with Bosch Unit, with Valeo Unit, Notes: To 140 Amp Alternator, with Bosch Unit |
| 2010 | Volkswagen | Golf | TDI (2.0 L4 DIESEL) | Notes: with Bosch Unit, To 140 Amp Alternator, with Valeo Unit |
| 2010 | Volkswagen | Jetta | TDI (2.0 L4 DIESEL) | Notes: To 140 Amp Alternator |
| 2010 | Volkswagen | Jetta | TDI Cup Edition (2.0 L4 DIESEL) | Notes: To 140 Amp Alternator |
| 2010 | Volkswagen | Jetta | Wolfsburg Edition (2.0 L4 GAS) | Notes: To 140 Amp Alternator |
| 2011 | Audi | A3 | Base (2.0 L4 GAS) | Notes: with Bosch Unit, To 140 Amp Alternator, with Valeo Unit |
| 2011 | Audi | A3 | TDI (2.0 L4 DIESEL) | Notes: with Bosch Unit, To 140 Amp Alternator, with Valeo Unit |
| 2011 | Volkswagen | Jetta | Base (2.0 L4 GAS) | Notes: To 140 Amp Alternator |
| 2011 | Volkswagen | Jetta | S (2.0 L4 GAS) | Notes: To 140 Amp Alternator |
| 2011 | Volkswagen | Jetta | TDI (2.0 L4 DIESEL) | Notes: To 140 Amp Alternator |
| 2011 | Volkswagen | Golf | TDI (2.0 L4 DIESEL) | Notes: To 140 Amp Alternator, with Bosch Unit, with Valeo Unit |
| 2012 | Audi | A3 | Base (2.0 L4 GAS) | Notes: To 140 Amp Alternator, with Bosch Unit, with Valeo Unit |
| 2012 | Audi | A3 | TDI (2.0 L4 DIESEL) | Notes: To 140 Amp Alternator, with Bosch Unit, with Valeo Unit |
| 2012 | Volkswagen | Golf | TDI (2.0 L4 DIESEL) | Notes: with Bosch Unit, To 140 Amp Alternator, with Valeo Unit |
| 2012 | Volkswagen | Golf | Base (2.5 L5 GAS) | Notes: To 140 Amp Alternator |
| 2012 | Volkswagen | Jetta | GLI (2.0 L4 GAS) | Aspiration: Naturally Aspirated, Notes: To 140 Amp Alternator |
| 2012 | Volkswagen | Jetta | S (2.0 L4 GAS) | Aspiration: Naturally Aspirated, Notes: To 140 Amp Alternator |
| 2012 | Volkswagen | Jetta | TDI (2.0 L4 DIESEL) | Aspiration: Naturally Aspirated, Notes: To 140 Amp Alternator |
| 2012 | Volkswagen | Jetta | TDI Premium (2.0 L4 DIESEL) | Aspiration: Naturally Aspirated, Notes: To 140 Amp Alternator |
| 2012 | Volkswagen | Golf R | Base (2.0 L4 GAS) | Notes: To 140 Amp Alternator, with Bosch Unit, with Valeo Unit |
| 2013 | Audi | A3 | Base (2.0 L4 GAS) | Notes: To 140 Amp Alternator, with Valeo Unit, with Bosch Unit |
| 2013 | Audi | A3 | TDI (2.0 L4 DIESEL) | Notes: To 140 Amp Alternator, with Valeo Unit, with Bosch Unit |
| 2013 | Volkswagen | Beetle | R-Line (2.0 L4 GAS) | Notes: To 140 Amp Alternator |
| 2013 | Volkswagen | Beetle | TDI (2.0 L4 DIESEL) | Notes: To 140 Amp Alternator |
| 2013 | Volkswagen | Beetle | Turbo (2.0 L4 GAS) | Notes: To 140 Amp Alternator |
| 2013 | Volkswagen | Golf | TDI (2.0 L4 DIESEL) | Notes: To 140 Amp Alternator, with Bosch Unit, with Valeo Unit |
| 2013 | Volkswagen | Jetta | GLI (2.0 L4 GAS) | Engine: CBPA, Engine: CJAA, Notes: To 140 Amp Alternator |
| 2013 | Volkswagen | Jetta | S (2.0 L4 GAS) | Engine: CBPA, Engine: CJAA, Notes: To 140 Amp Alternator |
| 2013 | Volkswagen | Jetta | TDI (2.0 L4 DIESEL) | Engine: CBPA, Engine: CJAA, Notes: To 140 Amp Alternator |
| 2013 | Volkswagen | Jetta | TDI Premium (2.0 L4 DIESEL) | Engine: CBPA, Engine: CJAA, Notes: To 140 Amp Alternator |
| 2013 | Volkswagen | Golf R | Base (2.0 L4 GAS) | Notes: with Valeo Unit, To 140 Amp Alternator, Notes: with Bosch Unit, To 140 Amp Alternator |
| 2005 | Volkswagen | Jetta | GL TDI (1.9 L4 DIESEL) | Engine: BRM |
| 2005 | Volkswagen | Jetta | GLS TDI (1.9 L4 DIESEL) | Engine: BRM |
| 2005 | Volkswagen | Jetta | TDI (1.9 L4 DIESEL) | Engine: BRM |
| 2006 | Audi | A3 | Base (2.0 L4 GAS) | Notes: with Valeo Unit, To 140 Amp Alternator, with Bosch Unit |
| 2006 | Audi | A3 Quattro | Base (3.2 V6 GAS) | Notes: with Valeo Unit, To 140 Amp Alternator, with Bosch Unit |
| 2006 | Volkswagen | Jetta | 2.0T (2.0 L4 GAS) | Notes: To 140 Amp Alternator |
| 2006 | Volkswagen | Jetta | GLI (2.0 L4 GAS) | Notes: To 140 Amp Alternator |
| 2006 | Volkswagen | Jetta | TDI (1.9 L4 DIESEL) | |
| 2006 | Volkswagen | Passat | 2.0T (2.0 L4 GAS) | Notes: with Bosch Unit, To 140 Amp Alternator, with Valeo Unit |
| 2006 | Volkswagen | Passat | Value Edition (2.0 L4 GAS) | Notes: with Bosch Unit, To 140 Amp Alternator, with Valeo Unit |
| 2006 | Volkswagen | Passat | 3.6 (3.6 V6 GAS) | Notes: To 140 Amp Alternator, with Bosch Unit |
| 2006 | Volkswagen | GTI | Base (2.0 L4 GAS) | Notes: with Bosch Unit, To 140 Amp Alternator |
| 2014 | Volkswagen | Beetle | GSR (2.0 L4 GAS) | Notes: To 140 Amp Alternator |
| 2014 | Volkswagen | Beetle | R-Line (2.0 L4 GAS) | Notes: To 140 Amp Alternator |
| 2014 | Volkswagen | Beetle | TDI (2.0 L4 DIESEL) | Notes: To 140 Amp Alternator |
| 2014 | Volkswagen | Jetta | GLI (2.0 L4 GAS) | Aspiration: Naturally Aspirated, Notes: To 140 Amp Alternator |
| 2014 | Volkswagen | Jetta | S (2.0 L4 GAS) | Aspiration: Naturally Aspirated, Notes: To 140 Amp Alternator |
| 2014 | Volkswagen | Jetta | TDI (2.0 L4 DIESEL) | Aspiration: Naturally Aspirated, Notes: To 140 Amp Alternator |
| 2014 | Volkswagen | Jetta | TDI Premium (2.0 L4 DIESEL) | Aspiration: Naturally Aspirated, Notes: To 140 Amp Alternator |
| 2014 | Volkswagen | Golf | TDI (2.0 L4 DIESEL) | Notes: with Valeo Unit, To 140 Amp Alternator, with Bosch Unit |
| 2015 | Volkswagen | Jetta | Base (2.0 L4 GAS) | Aspiration: Naturally Aspirated, Notes: To 140 Amp Alternator |
| 2015 | Volkswagen | Jetta | GLI SE (2.0 L4 GAS) | Aspiration: Naturally Aspirated, Notes: To 140 Amp Alternator |
| 2015 | Volkswagen | Jetta | GLI SEL (2.0 L4 GAS) | Aspiration: Naturally Aspirated, Notes: To 140 Amp Alternator |
| 2015 | Volkswagen | Jetta | S (2.0 L4 GAS) | Aspiration: Naturally Aspirated, Notes: To 140 Amp Alternator |
| 2015 | Volkswagen | Jetta | TDI S (2.0 L4 DIESEL) | Aspiration: Naturally Aspirated, Notes: To 140 Amp Alternator |
| 2015 | Volkswagen | Jetta | TDI SE (2.0 L4 DIESEL) | Aspiration: Naturally Aspirated, Notes: To 140 Amp Alternator |
| 2015 | Volkswagen | Jetta | TDI SEL (2.0 L4 DIESEL) | Aspiration: Naturally Aspirated, Notes: To 140 Amp Alternator |
Warranty Overview
At eEuroparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.
Standard Warranty – Most Parts
Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.
Protection: Defects in materials or workmanship under normal personal use.
Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.
Exclusions:
Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)
Commercial, fleet, rideshare, off-road, or racing use
Improper installation, misuse, accidents, or modifications
Not Covered: Labor, shipping, towing, or incidental costs.
Bison Performance Warranty – Our House Brand
Coverage: Limited Lifetime Warranty for as long as you own your vehicle.
Applies To: All products sold under the Bison Performance label.
Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.
Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).
What’s Included: Replacement of the defective product (labor and shipping excluded).
Warranty Claim Requirements
To keep claims fast and fair, we require:
Proof of purchase (invoice or order confirmation).
Photos or videos showing the defective part, order number, date, VIN, and odometer reading.
Diagnostic reports or part returns for non-visible issues may be requested.
Claims must be truthful, properly documented, and reflect normal consumer use.
Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.
For full details and exclusions, please see our complete Warranty Terms & Conditions.
This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.
Return Policy Overview
Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
To start a return, contact customer support via Chat or Contact Us.
Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)
Refunds: Issued to your original payment method within 3–5 business days after inspection
Exchanges: Not automatic — please return and reorder
Replacements: May be approved for incorrect or defective items reported within 7 days
Not returnable:
Used or installed parts
Electrical components
Opened filter kits, gaskets, or contaminated items
Final sale or custom orders
Important Notes:
Return shipping is your responsibility unless we made a verified error
Fitment is the customer’s responsibility (we can assist, but do not guarantee)
Country of origin may vary and is not grounds for return
For complete details, please see our full Return Policy.
This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.
Fast, Reliable Shipping — Straight to Your Door
We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.
We use trusted carriers like UPS, FedEx, and USPS.
Tracking info is emailed to you as soon as your order ships.
Delivery estimates at checkout are based on carrier data, but not guaranteed.
Need help with a shipment?
If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.
For complete details, please see our full Shipping Policy.
This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions, risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.






















