Alternator For Chevy Avalanche/Tahoe GMC Sierra/Yukon 1999-2005 10464405

Product Overview

This is a premium, 145 Amp high-output Alternator engineered for General Motors' most popular light-duty trucks and SUVs. It serves as a direct upgrade or replacement for the standard 105A units, providing the additional amperage necessary for vehicles equipped with heavy towing packages, snow plows, or high-draw aftermarket electronics.

OE Part Numbers: Direct replacement for 10464405, 19151921, 10480234, and 321-1749.

Vehicle Application: Precision-matched for 1999–2005 models of the Chevy Avalanche, Tahoe, Silverado, and GMC Sierra, Yukon.

Engine Compatibility: Fits a wide range of GM powerplants, including the 4.3L V6 and the 4.8L, 5.3L, and 6.0L V8 engines.

Technical Specifications

Electrical Power: Provides a powerful 145 Amp charging current at a stable 12V.

Mechanical Configuration: Features Clockwise (CW) rotation with an Internal Fan (IF) and Internal Regulator (IR) for a streamlined "bolt-on" installation.

Pulley Design: Equipped with an S6 (6-Groove) serpentine pulley to ensure maximum belt grip and efficient power transfer.

Build Quality: Constructed with a 100% high-purity Copper Motor for superior thermal resistance and long-term electrical stability.

Key Performance Features

High Power & Efficiency: Designed for low energy consumption while delivering maximum output, reducing mechanical engine drag, and supporting fuel efficiency.

Acoustic Comfort: Advanced engineering ensures "Mute-level" low noise performance, preventing the mechanical whine common in lower-quality aftermarket units.

Rugged Durability: The 15.87 lb robust housing is built to withstand the high vibration and extreme heat typical of heavy-duty truck engine bays.

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 global quality standards.

Massive Production Scale: An annual capacity of 3 million sets ensures a consistent and scalable supply chain for high-volume distributors.

Customization (OEM/ODM): We offer full support for custom branding, private-label packaging, and specific material enhancements to fit your brand identity.

Peace of Mind: Every unit comes with a 12-month warranty and flexible lead times ranging from 7 to 60 days.

Logistics & Order Summary

Minimum Order (MOQ): 100 Units

Weight: 15.87 lbs (7.2 kg)

Packaging: Brand, Neutral, or Fully Customized Packaging.

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.

GMC / Chevy 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

GMC / Chevy 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.

GMC / Chevy 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 For Chevy Avalanche/Tahoe GMC Sierra/Yukon 1999-2005

Q1: Is this alternator with part number 10464405 truly compatible with multiple models including Chevy Avalanche/Tahoe and GMC Sierra/Yukon from 1999 to 2005?

A: Yes, but engine specification must be confirmed. Part number 10464405 is a widely used GM OE part number. It is primarily designed for GMT800 platform full-size vehicles equipped with Vortec 4.8L, 5.3L, and 6.0L V8 gasoline engines. This includes the models you mentioned: Chevy Tahoe (1999-2006), Avalanche (2002-2006), GMC Yukon (1999-2006), Sierra 1500 (1999-2006), and others. Therefore, the primary prerequisite for compatibility is confirming your vehicle is equipped with one of the applicable engines mentioned above. For vehicles on the same platform but with different engines (e.g., 5.7L Vortec or diesel), the part number may differ.

Q2: Is this product a GM Genuine part, a remanufactured unit, or an aftermarket part? What is its amperage output?

A: The most common offerings in the market for this part number are high-quality remanufactured units, along with new aftermarket parts built to OE specifications. Brand new genuine GM parts are relatively scarce and more expensive. For these GMT800 vehicles, the standard output corresponding to this part number is typically 105 amps. However, depending on the specific year and configuration (e.g., vehicles with premium audio or heavy-duty packages), higher amperage versions may exist. Before purchasing, it is recommended to check the label on your original alternator to confirm its rated amperage (e.g., 105A, 130A, etc.) and select a product that matches.

Q3: Is the installation process complicated? Is programming or adaptation required after replacement?

A: For these 1999-2005 model year vehicles, the alternator replacement is a relatively straightforward mechanical and electrical task that does not require any software programming or ECU adaptation. It is a standard "plug-and-play" replacement. However, access can be tight as the alternator is usually located in the upper part of the engine bay. It is important to note that after disconnecting the battery, some vehicle modules (e.g., radio, power windows) may require simple resetting or relearning (for instance, performing the window auto-up/down initialization). This is not a requirement specific to the alternator but a common procedure following a vehicle power reset.

Q4: Does the product include the mounting bracket, pulley, and bolts upon shipment? Or do I need to reuse the old parts?

A: The product includes the alternator core only. All necessary installation hardware, including the mounting bracket (typically engine-mounted), adjusting arm, mounting bolts, pulley, and serpentine belt, must be reused from the original vehicle components. Before installation, it is crucial to inspect the condition of these old parts, especially the belt and tensioner. If the belt is cracked or the tensioner is worn, it is recommended to replace them concurrently to ensure a stable and reliable drive system for the new alternator.

Q5: What is the warranty period for the product? Are there any special considerations in the warranty policy for parts often used in work vehicles or high-mileage applications?

A: For remanufactured or aftermarket parts, the industry standard warranty is commonly 12 months unlimited mileage. Some suppliers may offer longer coverage (e.g., 18 or 24 months). Given that these full-size SUVs and trucks are often used as work vehicles or for family travel, accumulating high mileage, buyers should carefully read the warranty terms. It is important to clarify: whether the warranty covers only defects in the part itself, or also covers consequential damages caused by part failure (the latter is typically not covered). Additionally, confirming whether the claims process is convenient and if the supplier requires the defective unit to be returned for inspection is important for maintaining vehicle uptime.