Alternator VALEO SG9B038 replacing 0101543802/0101543902

Product Overview

This premium 14V/90A Alternator (Valeo SG9B038) is a brand-new, high-efficiency unit designed primarily for Mercedes-Benz compact vehicles. It serves as a direct, OE-quality replacement for original part numbers 0101543802 and 0101543902.

OE Part Numbers: Direct replacement for 0101543802, 0101543902, A0101543802, and A0101543902.

Vehicle Application: Specifically engineered for the Mercedes-Benz A-Class (W168) and Vaneo (W414).

Engine Compatibility: Fits a range of petrol and diesel engines, including the 1.4L, 1.6L, 1.7L CDI, 1.9L, and 2.1L variants.

Core Technology: Equipped with a 100% Copper Motor for superior electrical conductivity and enhanced thermal management.

Technical Specifications

Electrical Output: Delivers a stable 14V output with a 90 Amp charging current.

Mechanical Configuration: Features Clockwise (CW) rotation with a Four-point mounting system for secure installation.

Pulley Design: Includes a 52 mm V-ribbed belt pulley with 5 ribs and a free-wheel (clutch) function to reduce vibration and belt wear.

Regulator Type: Features an Internal Multi-function Regulator for precise voltage control and communication with the vehicle's electrical system.

Build Quality: A robust unit with a gross weight of 5.6 kg, designed for long-term durability.

Key Performance Features

Efficiency & Power: High-output design that is fuel-efficient with low energy consumption, minimizing parasitic drag on the engine.

Advanced Cooling: Engineered for superior heat resistance, allowing for consistent performance even in the tight, high-temperature engine bays of compact Mercedes models.

Refined Operation: Features "Mute-level" low noise technology, ensuring the alternator operates quietly to maintain cabin comfort.

OE Numbers

Alternator Specifications

Alternator Detailed Applications

Wholesale & Manufacturing Advantages

Global Certifications: Manufactured in facilities holding IATF 16949, ISO 9001, and ISO 14001 certifications, meeting Tier-1 automotive quality benchmarks.

Massive Production Scale: An annual capacity of 3 million sets ensures a reliable and scalable supply chain for global distributors.

Full Customization: We offer extensive OEM/ODM services, including customized branding, specialized materials, and bespoke packaging solutions.

Risk Mitigation: Every unit is backed by a 12-month warranty with flexible lead times (7-60 days).

Logistics & Order Summary

Minimum Order (MOQ): 100 Units

Condition: 100% Brand New

Packaging: Brand, Neutral, or Fully Customized Packaging.

The SG9B038 Alternator is an excellent choice for a high-quality 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.

VALEO 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

VALEO 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.

VALEO 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-Alternator VALEO SG9B038 replacing

Q1: What do the part number SG9B038 and the Valeo brand signify? What is the relationship between this and the OEM numbers it replaces (0101543802/0101543902)?

A: SG9B038 is the independent manufacturer's part number assigned by Valeo to its product. Valeo is an official Original Equipment Manufacturer (OEM) supplier to many European carmakers.
0101543802 and 0101543902 are likely the genuine part numbers from a specific car brand (or brands) such as Volkswagen, Audi, Skoda, Seat, etc..
The "replacing" relationship means: This Valeo alternator (SG9B038) is fully compatible and serves as a direct functional and physical replacement for the alternators with OEM numbers 0101543802 or 0101543902. It could be a new or remanufactured unit (needs confirmation from the description), but its quality meets Valeo's OE standards.

Q2: Which specific brands and vehicle models is this Valeo SG9B038 alternator compatible with?

A: Its application range can be inferred from the OEM numbers it replaces (0101543802/0101543902). These numbers are typically associated with vehicles from the Volkswagen Group. Common applications may include (but are not limited to) mid-2010s models equipped with 1.2L, 1.4L, or 1.6L gasoline engines (e.g., EA211 series), such as:
Volkswagen Golf (Mk6/Mk7)
Volkswagen Tiguan
Audi A3 (8V)
Skoda Octavia
Critical Step: As this is a cross-brand replacement, it is highly recommended to use the vehicle's VIN or the label information from the old alternator for final cross-referencing in a professional catalog to ensure a perfect match in physical mounting, electrical connector, and output specifications.

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

A: The title only states "Alternator VALEO SG9B038" and does not specify its condition. The buyer must carefully read the product details or inquire with the seller for confirmation. Valeo produces both new OE-equivalent parts and high-quality remanufactured units. There is a significant difference in price, warranty, and core origin (newly manufactured vs. refurbished used core). If the description does not explicitly state "New" or "Remanufactured", it is essential to clarify this with the seller, as it is key information determining the product's value and suitability.

Q4: After installation, is software adaptation or initialization required for the vehicle?

A: Yes, this is very likely a required step. Vehicles compatible with these OEM part numbers commonly feature intelligent charging management systems. The alternator communicates with the Engine Control Unit (ECU) via a data bus (e.g., LIN). Therefore, after replacement, it is generally necessary to use the OEM or a compatible high-end diagnostic tool (e.g., VW/Audi's VAS / ODIS or VCDS) to perform a "Generator (J644) Adaptation" or "Energy Management System Basic Setting". This ensures the vehicle's computer recognizes the new component and optimizes the charging strategy. Be sure to confirm this requirement before installation.

Q5: What is the warranty policy for this Valeo product?

A: As a top-tier OEM supplier, Valeo typically provides a strong warranty for its products (both new and remanufactured). The standard warranty period could be 24 months unlimited mileage, depending on the product type and sales region. The buyer needs to confirm:
Whether the warranty is provided officially by Valeo or only by the seller.
The specific duration and terms of the warranty.
Whether it is necessary to keep the original packaging, purchase receipt, and possibly the old core for any claims.
Purchasing from a reputable channel is a prerequisite for ensuring access to Valeo's formal warranty service.