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ATG12912 Alternator 8600015 8600055 8600060 8600073 8600127 8600171 8600178 for Freightliner Medium & Heavy Duty Trucks

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PRODUCT DETAILS

ATG12912 Alternator – Product Details

ATG12912 Alternator is a heavy-duty 12V, 170A replacement alternator designed for Delco 36SI applications on medium- and heavy-duty trucks. It is engineered for reliable charging performance and is compatible with a wide range of Delco, Arrowhead, J&N, Lester, NSA, Unipoint, and WAI reference numbers.

Part Numbers

Brand	Reference Part Numbers
DELCO	8600015, 8600055, 8600060, 8600073, 8600127, 8600171, 8600178, 8600202, 8600203, 8700039, 8700040, 8700047, 8700067
ARROWHEAD	ADR0411, D8600127, D8700047
J & N	400-12216, 400-12216R
LESTER	8600, 8601, 8602, 8603, 8614
NSA	ALT-3600
UNIPOINT	ALT-3600
WAI	1-2684-00DR, 8614N

Specifications

Item	Specification
Product Type	Alternator
Condition	New Aftermarket
Voltage	12V
Amperage	170A
Alternator Type	Delco 36SI
Regulator	Internal Regulator (IR)
Rotation	Bi-Directional
Fan Type	External Fan (EF)
Application	Medium & Heavy-Duty Trucks
Weight	10.6 KG

Compatible Applications

Make	Type	Model	Year	Engine
International	Medium & Heavy-Duty Truck	8100-8600 Heavy-Duty	2004	Cummins ISM
International	Medium & Heavy-Duty Truck	8100-8600 Heavy-Duty	2005	Caterpillar C-12
International	Medium & Heavy-Duty Truck	8100-8600 Heavy-Duty	2005	Caterpillar C-13
International	Medium & Heavy-Duty Truck	8100-8600 Heavy-Duty	2005	Cummins ISM
International	Medium & Heavy-Duty Truck	8100-8600 Heavy-Duty	2006	Caterpillar C-13
International	Medium & Heavy-Duty Truck	8100-8600 Heavy-Duty	2006	Cummins ISM
International	Medium & Heavy-Duty Truck	8100-8600 Heavy-Duty	2007	Caterpillar C-13
International	Medium & Heavy-Duty Truck	8100-8600 Heavy-Duty	2007	Cummins ISM
International	Medium & Heavy-Duty Truck	9100-9900 Heavy-Duty	1999	Detroit Diesel 60 Series
International	Medium & Heavy-Duty Truck	9100-9900 Heavy-Duty	2000	Caterpillar C-15

Product Highlights

Feature	Description
170A High Output	Provides strong charging capacity for demanding medium- and heavy-duty truck electrical systems.
12V Delco 36SI Design	Built for replacement applications using Delco 36SI alternators and corresponding cross-reference numbers.
Heavy-Duty Construction	Designed for commercial truck applications with reliable performance and long service life.

Application

Suitable for International medium- and heavy-duty trucks, including 8100, 8200, 8300, 8400, 8500, 8600 and 9100–9900 series applications equipped with compatible Cummins, Caterpillar, or Detroit Diesel engines.

Please verify the part number, voltage, amperage, rotation, mounting configuration, and pulley specifications before ordering.

PRODUCT HIGHLIGHTS
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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