Home Products

ATG20344 Alternator 8600483 8600761 3643862 61006082 8600737 8600739 8600807 for MCI D45-CRT D45-CRTLE D4520 J4500 Cummins X12 Detroit DD13 DD15

3 Reviews

Add Your Review

US$15,000.00

ITEMNO： ATG20344

IN STOCK

BUY NOW ADD TO CART

Good Packaging

Safe Payment

100k+ Customers Top Choice

1 Year Warranty

90-Day Return

24/7 Service

TAGS：

Product Details Product Highlights Shipping

PRODUCT DETAILS

ATG20344 Alternator 8600483 8600761 3643862 61006082 8600737 8600739 8600807 for MCI D45-CRT D45-CRTLE D4520 J4500 Cummins X12 Detroit DD13 DD15

100% New Heavy-Duty Replacement Alternator designed for MCI coaches and buses equipped with Cummins X12 or Detroit DD13 / DD15 engines. This Delco 55SI alternator provides 250A / 24V output, with bi-directional rotation, negative ground, internal regulator and external fan, making it suitable for demanding commercial vehicle applications.

Weight: 13.6 KG

Product Specifications

Specification	Details
Product Type	Alternator
Condition	100% New
Unit Type	Delco 55SI
Voltage	24V
Amperage	250A
Rotation	Bi-Directional
Ground	Negative Ground
Regulator	IR / Internal Regulator
Fan	EF / External Fan
Application	MCI Coaches & Buses
Weight	13.6 KG

Replacement Part Numbers

Brand	Part Numbers
Delco	8600483, 8600761, 3643862, 61006082, 8600737, 8600739, 8600807, 8600453, 8600495
Remy	646046250, 8600453SEL
PSH	8600453
+Line	A1113S
AS-PL	A134609
Short Code	A145898, A158689, A158689
Casco	CAL60620GS
Wood Auto	REM8600453

Note: 3643862 is also listed as a Remy reference in the supplied data.

Applications

MCI Coaches / Buses

MCI D45-CRT
MCI D45-CRTLE
MCI D4520
MCI J4500

Engine Applications

Cummins X12
Detroit DD13
Detroit DD15

Product Highlights

Feature	Description
250A / 24V High Output	Provides high-capacity charging for commercial buses and heavy-duty electrical systems.
Delco 55SI Design	Heavy-duty alternator with internal regulation and external fan configuration.
Bi-Directional Rotation	Designed to operate with either rotational direction for compatible applications.

Compatibility Note

Please verify the original alternator part number, voltage, amperage, mounting configuration, pulley, terminal arrangement and rotation requirements before ordering. The listed part numbers are provided for cross-reference purposes.

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

Need Help?

Our product experts will respond to your email within 24 business hours.

Question *

Name *

Email *

Verification code *

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.

PRODUCT RECOMMENDATION