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Bosch AL176X - Alternator (Remanufactured)
Product Overview
The Bosch Alternator (155A) AL176X is engineered to provide reliable electrical power for your Porsche, ensuring optimal performance and efficiency. This high-quality rebuilt alternator is designed specifically for various Porsche 911 models, meeting OEM standards for fitment and reliability. Bosch, a reputable manufacturer in the automotive industry, supports this product with an Ultimate Protection Plan, which includes 2 years of roadside assistance when registered at the time of purchase. Choose Bosch AL176X for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This Bosch AL176X is equivalent to or replaces the following part numbers: 911 603 155 AX, 911603155AX.
Vehicle Compatibility
- Porsche 911 Carrera 2 3.6 H6 (1990–1993)
- Porsche 911 Turbo 3.3 H6 (1990–1993)
- Porsche 911 RS America 3.6 H6 (1993)
- Porsche 911 Turbo 3.6 H6 (1992)
- Porsche 911 Carrera 4 3.6 H6 (1990–1993)
- Porsche 911 Speedster 3.2 H6 (1989)
- Porsche 911 Turbo Carrera 3.3 H6 (1989)
- Porsche 911 Carrera 3.2 H6 (1989)
This may also fit other applications. Please use the vehicle selector tool to verify fitment.
Why Shop at eEuroparts.com?
- Proven Expertise: Over 25 years of experience with European vehicles means we know your car inside and out.
- Exclusive Kits That Fitâ„¢ - complete repair solutions with no guesswork
- Fitment Confidence: Our accurate cataloging ensures you get the right part the first time.
- Fast, Reliable Shipping: Orders ship quickly from our U.S.-based warehouses.
- Transparent Pricing: Competitive prices with no hidden fees or surprise charges.
- Established Trust: Serving the European auto community since 2000.
Frequently Asked Questions
What does the Bosch AL176X Alternator do?
The Bosch Alternator is responsible for generating electrical power for your vehicle's systems and charging the battery. It converts mechanical energy from the engine into electrical energy, ensuring that all electrical components function properly.
How do I know if my Alternator needs replacement?
Common symptoms of a failing alternator include dimming headlights, battery warning light illumination, electrical failures, and difficulties starting the vehicle. If you experience these issues, it may be time to replace your alternator.
Can I install the Bosch AL176X myself?
Yes, you can install the Bosch AL176X yourself if you have the right tools and mechanical knowledge. However, ensure to follow safety precautions and consult your vehicle's service manual for specific installation instructions.
What are the symptoms of a faulty Alternator?
Symptoms of a faulty alternator can include dimming lights, strange noises, and frequent battery discharging. If you see DTCs such as P0562 (System Voltage Low) and P0620 (Generator Control Circuit Malfunction), it may indicate a failing Alternator.
Why should I choose Bosch for my Alternator needs?
Choosing Bosch means opting for a trusted brand known for quality and reliability. Order Bosch AL176X 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
- MPNAL176X
- Part TypeAlternator
- OE Part Numbers911 603 155 AX, 911603155AX
- FeaturesAmperage Rating : 115
Case Color : Aluminum
Case Material : Aluminum
External Fan Included : Yes
External Regulator Included : Yes
Fan Type : External
New Or Remanufacured : Remanufactured
One Wire Capable : No
Plug Clock Rear View Main Mounting Ear at 6 O Clock : 1
Plug Type : 381
Pulley Included : No
Regulator Type : Internal
Rotation Direction : Clockwise
Voltage : 12
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1993 | Porsche | 911 | Carrera 2 (3.6 H6 GAS) | VIN: B, Notes: Actual OE part, Notes: Actual OE part, 115 A, Aspiration: Turbocharged |
| 1993 | Porsche | 911 | Carrera 4 (3.6 H6 GAS) | VIN: B, Notes: Actual OE part, Notes: Actual OE part, 115 A, Aspiration: Turbocharged |
| 1993 | Porsche | 911 | RS America (3.6 H6 GAS) | VIN: B, Notes: Actual OE part, Notes: Actual OE part, 115 A, Aspiration: Turbocharged |
| 1993 | Porsche | 911 | Turbo 3.6 (3.6 H6 GAS) | VIN: B, Notes: Actual OE part, Notes: Actual OE part, 115 A, Aspiration: Turbocharged |
| 1992 | Porsche | 911 | Carrera 2 (3.6 H6 GAS) | VIN: B, Notes: Actual OE part, 115 A, Notes: Actual OE part |
| 1992 | Porsche | 911 | Carrera 4 (3.6 H6 GAS) | VIN: B, Notes: Actual OE part, 115 A, Notes: Actual OE part |
| 1992 | Porsche | 911 | Turbo (3.3 H6 GAS) | Notes: Actual OE part |
| 1991 | Porsche | 911 | Carrera 2 (3.6 H6 GAS) | VIN: B, Notes: Actual OE part, Notes: Actual OE part, 115 A |
| 1991 | Porsche | 911 | Carrera 4 (3.6 H6 GAS) | VIN: B, Notes: Actual OE part, Notes: Actual OE part, 115 A |
| 1991 | Porsche | 911 | Turbo (3.3 H6 GAS) | Notes: Actual OE part |
| 1990 | Porsche | 911 | Carrera 2 (3.6 H6 GAS) | VIN: B, Notes: Actual OE part, Notes: Actual OE part, 115 A |
| 1990 | Porsche | 911 | Carrera 4 (3.6 H6 GAS) | VIN: B, Notes: Actual OE part, Notes: Actual OE part, 115 A |
| 1989 | Porsche | 911 | Carrera 4 (3.6 H6 GAS) | Notes: Actual OE part, 115 A |
| 1989 | Porsche | 911 | Carrera (3.2 H6 GAS) | Notes: Actual OE part, 115 A |
| 1989 | Porsche | 911 | Speedster (3.2 H6 GAS) | Notes: Actual OE part, 115 A |
| 1989 | Porsche | 911 | Turbo Carrera (3.3 H6 GAS) | Notes: Actual OE part, Bosch, only as replacement for Bosch equipment, 115 A |
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.
























