12V 90A Auto Alternator for FIAT for Alfa Romeo, 46823547 51784845 13243463 13117279

Product Overview

This high-output 14V/90A Alternator is a brand-new, premium replacement specifically engineered for Fiat, Alfa Romeo, and Opel/Vauxhall vehicles. Designed for high-volume distribution, it features Multi-function regulator technology and an OAP pulley to meet the precise electrical and mechanical standards of European passenger cars.

OE Part Numbers: Direct replacement for 46823547, 51784845, 13243463, 13117279, and Valeo SG9B051.

Vehicle Application: Precision-matched for Fiat Grande Punto, Alfa Romeo Mito, and Opel Corsa D / Astra H models, primarily those equipped with 1.3 MultiJet or CDTI diesel engines.

Core Technology: Built with a 100% high-purity Copper Motor for maximum electrical conductivity and superior thermal resistance, essential for compact, high-temperature engine bays.

Technical Specifications

Electrical Power: Delivers a stable 90 Amp charging current at 14V.

Pulley Design: Equipped with a 54mm OAP (Overrunning Alternator Pulley) with 6 grooves. This freewheel design reduces belt drive vibration and protects the engine's accessory drive components.

Rotation & Mounting: Features Clockwise rotation with a Direct Fastening system for an exact OE-spec "bolt-on" installation.

Terminals: Standard M8 B+ Terminal and a 230-code plug for seamless integration with the factory wiring harness.

Build Quality: A robust unit with a gross weight of 5.46 kg, balanced for long-term durability.

Key Performance Features

High Efficiency: Engineered for low energy consumption and high fuel efficiency, minimizing parasitic drag on the engine.

Mute-Level Operation: Specialized internal components and balancing provide exceptionally low noise levels, maintaining the refined driving experience expected in modern hatchbacks.

Multi-Function Regulator: Includes an internal Multi-function regulator for precise voltage management and communication with the vehicle's electrical system.

OE Numbers

Alternator Specifications

Alternator Detailed Applications

Wholesale & Manufacturing Advantages

Certified Quality: Produced in facilities holding IATF 16949, ISO 9001, and ISO 14001 certifications, guaranteeing Tier-1 international quality benchmarks.

Massive Supply Chain: With an annual capacity of 3 million sets, we provide a reliable and scalable supply chain for global distributors and high-volume wholesalers.

Customization (OEM/ODM): Full support for custom branding, private-label packaging, and specific material upgrades to suit your market requirements.

Service Commitment: Backed by a 12-month warranty and flexible lead times ranging from 7 to 60 days.

Logistics & Order Summary

Minimum Order (MOQ): 100 Units

Condition: 100% Brand New

Packaging: Brand, Neutral, or Fully Customized Packaging available.

The Valeo 90A Alternator for Fiat/Opel is a top-tier choice for a high-quality, reliable replacement that matches original factory specifications.

Alternator Supplier | High-Output, OE-Standard Production for Bulk Buyers

Elecdura Alternator Certification: CE, ISO Compliance, Plus Local Market Support

Elecdura alternators are manufactured in full compliance with leading international standards, enabling seamless market entry worldwide. We hold key certifications, including CE for product safety in the European market, ISO 14001 for environmental management, and ISO 45001 for occupational health and safety. These demonstrate our commitment to reliable performance, sustainable production, and high workplace standards.If your target market requires specific local approvals, our dedicated team will proactively coordinate the certification process to obtain all necessary documentation, ensuring your supply chain remains efficient and fully compliant. We are here to support your regulatory needs.

ISO14001

ISO45001

CE

Elecdura Alternators are made in automated factories with certified precision

The factory is equipped with advanced machinery to ensure consistent quality and high production efficiency throughout the alternator manufacturing process. Its modern facilities enable both large-scale production and adherence to stringent quality control standards.

Bulk Quantity of Alternator Rotors High-volume production of core rotating components, ready for final assembly.

Finished Alternators in Bulk Order Quantities Complete alternator units prepared for large-volume export and timely delivery.

OEMODM Alternator Showcase for Branding Explore customized solutions and branding opportunities for your market.

Industrial Alternator Assembly Line Witness precision manufacturing and efficient production capacity for reliable alternator supply.

Alternator Sample Display for Quality Inspection Evaluate product finish, craftsmanship, and key specifications firsthand.

Stator Assemblies Produced at Scale Consistent quality in bulk stator production, ensuring stable alternator performance.

Fiat / Alfa Romeo Alternator Quality: 30-Stage Testing & 100% Pre-Shipment Inspection

Development Experiment

Incoming Inspection

Field Inspection

Outgoing Inspection

Establish strict inspection system and process for each process from development, experiment and shipment of finished product.

The development, production and test of each starter must pass 30 kinds of test.

Before shipment, 100% check of the appearance, size and nut to prevent any defects from leaking out

Fiat / Alfa Romeo Alternator Supplier Strong Export Capability and Stable Supply

Elecdura ensures large-scale, stable supply of alternators to global markets. Each pallet and carton is meticulously packaged to export standards for secure transport. Leveraging years of export expertise and consistent demand from long-term clients, we provide reliable delivery assurance and supply chain continuity for bulk orders.

Fiat / Alfa Romeo Alternator Supplier Partnership Market Success

Elecdura collaborates with leading distributors and brands worldwide — helping our partners dominate their local aftermarket. Through professional sourcing, customized product development, and close market research, we've supported clients in becoming the Top 1 aftermarket suppliers in South America(in some categories). Our integrated marketing and supply capabilities make us more than a factory — we're your strategic growth partner.

Successful client collaboration showcased at trade fair booth

Distributor partnership meeting for aftermarket product planning

Elecdura with international buyer in Brazil Exhibition

Elecdura assisting South American client in aftermarket development

Elecdura team and partners at international auto parts exhibition

Warehouse of Elecdura global partner displaying stocked

FAQ-12V 90A Auto Alternator for FIAT for Alfa Romeo

Q1: What do the multiple part numbers (46823547, 51784845, 13243463, 13117279) associated with this 12V 90A alternator represent? What is the relationship between them?

A: This is a classic case of Fiat Chrysler Automobiles (now Stellantis) Group internal and cross-brand part number cross-referencing. These numbers collectively point to the same physical alternator specification:
46823547, 51784845: These are typically Fiat genuine part numbers.
13243463, 13117279: These are typically Alfa Romeo genuine part numbers.
Core Relationship: This indicates that the Stellantis Group procured the same alternator for different models across its brands (Fiat, Alfa Romeo) that share the same engine or platform, assigning each brand its own internal part number. Therefore, this 12V 90A alternator is a true Group-wide universal part; as long as your vehicle's part number matches one of these, it is compatible.

Q2: Which specific models and engines of Fiat and Alfa Romeo is this alternator compatible with?

A: Alternators with this 12V 90A specification are commonly used in small to compact cars and vans from the Fiat Group in the 2000s-2010s, equipped with small-displacement petrol or diesel engines (e.g., 1.2L, 1.3L, 1.4L, 1.6L MultiJet, etc.). Common application models may include (but are not limited to):
Fiat Punto, Bravo, Linea, Doblo, Scudo
Alfa Romeo MiTo, Giulietta
Critical Warning: Due to the wide range of applications, you must NOT guess based on brand and specifications alone. You MUST use the vehicle's VIN to cross-verify in a professional catalog whether one of these part numbers is an exact match for your vehicle, ensuring compatibility of mounting points, electrical connectors, and control systems.

Q3: Is this a new or a remanufactured unit? Is the product description clear on this point?

A: The title "Auto Alternator" does not specify its condition. The buyer must carefully read the product details or inquire with the seller for confirmation. Both new aftermarket parts and high-quality remanufactured units corresponding to this part number exist on the market. If the description does not explicitly state "New" or "Remanufactured", it is essential to clarify this with the seller. A New part means all components are newly manufactured; a Remanufactured unit is refurbished from an old core but with key components replaced. There is a significant difference in price, warranty, and expected lifespan between the two.

Q4: After installation, is software adaptation or initialization required for Fiat or Alfa Romeo vehicles?

A: Yes, this is very likely a required step. For Fiat Group vehicles from the mid-2000s onwards, the alternator is typically an "intelligent alternator" that communicates via LIN-bus with the body computer (e.g., Fiat's Body Computer Module/BCM or engine ECU) to manage charging strategy and energy recovery (if equipped). Therefore, after replacement, it is generally necessary to use the group's dedicated diagnostic tool (e.g., MultiECUScan, Examiner, or OEM equipment) to perform a "Generator/Alternator Adaptation" or "PROXI Alignment" procedure. This informs the vehicle of the new component, ensuring proper system operation and preventing fault codes.

Q5: What is the warranty policy for the product? For such European car parts, are there any special requirements for packaging and documentation?

A: Reliable suppliers should offer a clear warranty, typically 12 to 24 months (depending on product condition). Buyers need to confirm the warranty provider and specific terms. For export or professional procurement, the product should have sturdy individual packaging to prevent shipping damage. Regarding documentation, professional suppliers should be able to provide labels or instructions containing accurate part numbers, brand, and specification information. For the European market, the product should comply with EU environmental regulations like the ELV (End-of-Life Vehicles) Directive, and a declaration of conformity may be required for large purchases.