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ATG12726 High Output Alternator 10464084 10480251 8231-5 for Chevy Astro Blazer S10 GMC Jimmy 4.3L | 12V 200A 6-Groove Replacement

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PRODUCT DETAILS

ATG12726 High Output Alternator 10464084 10480251 8231-5 for Chevy Astro Blazer S10 GMC Jimmy 4.3L | 12V 200A 6-Groove Replacement

PRODUCT DETAILS

Brand	Part Number
Delco	10464084
Delco	10480251
Delco	321-1432
Lester	8231-5
High Output Reference	HO-8231-5Bk-200

Product Description

The ATG12726 High Output Alternator is a new aftermarket replacement designed for selected Chevrolet and GMC vehicles equipped with 4.3L engines. Rated at 200A and 12V, this high-output alternator is intended for compatible charging systems that require increased electrical output.

This unit features clockwise (CW) rotation and a 6-groove pulley configuration. It cross-references Delco 10464084, 10480251, and 321-1432, as well as Lester 8231-5. The high-output reference HO-8231-5Bk-200 identifies the specified 200A black-finish version.

Listed applications include the Chevrolet Astro, Blazer, and S10 Pickup, along with the GMC Jimmy for the specified model years and 4.3L engine configurations. Verify the original alternator part number, pulley alignment, mounting points, and electrical connections before ordering.

Product Specifications

Item	Specification
Product SKU	ATG12726
Product Name	High Output Alternator
Unit Type	Automotive Alternator
Condition	New Aftermarket Part
Voltage	12V
Amperage	200A
Rotation	Clockwise (CW)
Pulley Type	6-Groove
Finish	Black, as indicated by supplied reference
Primary OEM Reference	Delco 10464084
Cross-Reference Numbers	10480251, 321-1432, Lester 8231-5
High Output Reference	HO-8231-5Bk-200
Compatible Engine	4.3L
Estimated Net Weight	6.0 kg (6,000 g)

Compatible Applications

Manufacturer	Vehicle Type	Model	Year	Engine
Chevrolet	Auto and Light Truck	Astro	2000	4.3L
Chevrolet	Auto and Light Truck	Blazer	1998–2000	4.3L
Chevrolet	Auto and Light Truck	S10 Pickup	1998–2000	4.3L
GMC	Auto and Light Truck	Jimmy	1998–2000	4.3L

PRODUCT HIGHLIGHTS

Product Highlights

Feature	Description	Benefit
200A High Output	12V alternator rated at 200A	Provides increased charging capacity for compatible electrical systems
6-Groove Pulley	Designed for a 6-groove belt configuration	Helps match the specified accessory drive system
Multiple Cross-References	Matches listed Delco and Lester part numbers	Simplifies replacement identification

SHIPPING

Item Details

Processing Time Orders are processed within 1-3 business days after payment confirmation

Shipping Methods DHL/UPS/ FedEx/ TNT/ Air Freight/ Sea Freight

Estimated Delivery Time Express shipping: 3-7 business days, depending on destination

Packaging Export-standard cartons with protective inner packing

Tracking Tracking number will be provided once the order is shipped

Shipping Cost Calculated based on weight, dimensions, and destination

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WARRANTY POLICY

All new aftermarket parts come with a 1-Year warranty. Quality is the first thing we consider. Check out our Warranty Assistance for more details.

SHIPPING POLICY

We offer express and standard shipping options to ensure your off-road machine gets back in action—fast and reliably. For more details, please visit our Shipping Policy .

EASY RETURN POLICY

We prioritize your satisfaction. If your order doesn't meet your expectations within 90 days, you may be eligible for a refund. See our Easy Return Policy for details.

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