ATG20781 Delco Remy 55SI Alternator 61003345 8600634 for Medium & Heavy Duty Trucks Blue Bird Bus 12V Heavy Duty Alternator-Products-TIANGUAN-Page 1

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ATG20781 Delco Remy 55SI Alternator 61003345 8600634 for Medium & Heavy Duty Trucks Blue Bird Bus 12V Heavy Duty Alternator

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ITEMNO： ATG20781

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PRODUCT DETAILS

ATG20781 Alternator 61003345 8600634 Delco Remy 55SI 12V 430A J180 Heavy Duty Truck Bus Alternator Blue Bird Freightliner Kenworth Volvo
Product Description:
ATG20781 high-output alternator designed for Delco Remy 55SI series heavy-duty applications. Built to OEM specifications, delivering ultra-high charging performance, stable voltage regulation, and long service life for demanding commercial and industrial vehicles.
This 12V 430A alternator features J180 mounting, internal regulator, external fan design, and brushless construction, making it ideal for medium and heavy-duty trucks, buses, fire trucks, mining equipment, and fleet applications.
Product Highlights:
No. Feature Details
1 Ultra High Output 12V 430A powerful charging capacity
2 Heavy Duty Design Built for trucks, buses, and industrial fleets
3 OEM Standard Delco Remy 55SI direct replacement
Product Specifications:
Item Specification
Product Name Alternator
Model No. ATG20781
Unit Type Delco Remy
Family 55SI (Type 455)
Voltage 12V
Amperage 430A
Mount Type J180
Fan External
Regulator Internal
Weight 16.8KG
OEM / Cross Reference Numbers:
Brand Part Numbers
Delco Remy 61003345, 8600634
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

No.	Feature	Details
1	Ultra High Output	12V 430A powerful charging capacity
2	Heavy Duty Design	Built for trucks, buses, and industrial fleets
3	OEM Standard	Delco Remy 55SI direct replacement

Item	Specification
Product Name	Alternator
Model No.	ATG20781
Unit Type	Delco Remy
Family	55SI (Type 455)
Voltage	12V
Amperage	430A
Mount Type	J180
Fan	External
Regulator	Internal
Weight	16.8KG

Brand	Part Numbers
Delco Remy	61003345, 8600634

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