ATG20852 Alternator A003TV2391 / A003TV23 – Fits GM Tahoe Suburban Silverado 1500 Sierra 1500 2019–2021 12V 220A Replacement Alternator-Products-TIANGUAN-Page 1

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ATG20852 Alternator A003TV2391 / A003TV23 – Fits GM Tahoe Suburban Silverado 1500 Sierra 1500 2019–2021 12V 220A Replacement Alternator

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ITEMNO： ATG20852

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PRODUCT DETAILS

ATG20852 Alternator A003TV2391 A003TV2392 A003TV2393 13527173 13531751 13534128 13536552 for GM Tahoe Suburban Silverado 1500 Sierra 1500 2019–2021 12V 220A Mitsubishi

Part Numbers: A003TV2391, A003TV23, A003TV2391ZC, A003TV2392, A003TV2393

Product Description:
The ATG20852 alternator is a high-output replacement unit designed for GM vehicles including Tahoe, Suburban, Silverado 1500, and Sierra 1500 (2019–2021). Built with Mitsubishi technology, this 12V alternator delivers a powerful 220A output, ensuring stable and efficient charging performance for modern vehicle electrical systems. Its robust construction provides long service life and reliable operation under demanding conditions.

Specifications:

Item	Details
Product Type	Alternator
Unit Type	Mitsubishi
Voltage	12V
Amperage	220A
Pulley	6PK
Weight	19.6KG

OEM & Cross Reference:

Brand	Part Numbers
GENERAL MOTORS	13527173, 13531751, 13534128, 13536552
MITSUBISHI	A003TV2391, A003TV2391ZC, A003TV2392, A003TV2392ZC, A003TV2393, A003TV2393ZC, A3TV2391, A3TV2391ZC, A3TV2392, A3TV2392ZC, A3TV2393, A3TV2393ZC
DIXIE	10379
MPA	10379
PIC	203-5671

Fitment:

Vehicle
Chevrolet Tahoe (2019–2021)
Chevrolet Suburban (2019–2021)
Chevrolet Silverado 1500 (2019–2021)
GMC Sierra 1500 (2019–2021)

PRODUCT HIGHLIGHTS

Product Highlights

Feature	Description	Benefit
High Output 220A Design	Provides increased charging capacity	Supports modern vehicle electrical demands
Mitsubishi Technology	Reliable alternator construction	Ensures stable and efficient operation
OEM Replacement Fit	Matches original mounting and electrical specifications	Easy installation and compatibility
Durable Components	Designed for automotive environments	Provides long service life
Stable Voltage Output	Maintains battery charging performance	Improves vehicle reliability

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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