ATG10935 Alternator ADR0398 400-20007 4-1057XMP for Marine Applications | 12V 63A CW 10SI Replacement-Products-TIANGUAN-Page 1

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ATG10935 Alternator ADR0398 400-20007 4-1057XMP for Marine Applications | 12V 63A CW 10SI Replacement

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PRODUCT DETAILS

ATG10935 Alternator ADR0398 400-20007 4-1057XMP for Marine Applications | 12V 63A CW 10SI Replacement

Part Numbers

Brand	OEM / Compatible Part Numbers
ARROWHEAD	ADR0398, 400-20007
EMP PARTS	4-1057XMP
J & N	400-20007
LESTER	8906
WAI	8906N
Product Reference	Motorola New Replacement

Product Description

The ATG10935 Alternator is an aftermarket replacement designed for compatible marine charging systems. This 12V, 63A alternator uses a replacement 10SI unit design with clockwise (CW) rotation, a 12 o’clock clock position, a V1 pulley class, an internal regulator (IR), and an external fan (EF).

Designed with a three-wire connection, the alternator features an M6-1.0 B+ terminal. Its mounting configuration includes three threaded 5/16-18 top mounting-ear holes and a 12.9 mm unthreaded bottom mounting hole. The top mounting-ear thickness is 11.2 mm, while the bottom mounting-ear thickness is 26.2 mm.

This alternator cross-references Arrowhead ADR0398 and 400-20007, EMP Parts 4-1057XMP, J & N 400-20007, Lester 8906, and WAI 8906N. It is intended as a replacement for compatible Motorola-style marine alternators. Verify the original part number, mounting measurements, pulley arrangement, and wiring configuration before ordering.

Product Specifications

Specification	Details
Product Name	Marine Alternator
SKU	ATG10935
Unit Type	Alternator
Brand Type	Aftermarket
Item Condition	Aftermarket Part
Voltage	12V
Amperage	63A
Rotation	Clockwise (CW)
Alternator Design	10SI Replacement Unit
Clock Position	12 o’clock
Pulley Class	V1
Regulator Type	Internal Regulator (IR)
Fan Type	External Fan (EF)
Wiring Configuration	3-Wire
B+ Terminal	M6-1.0
Top Mounting Holes	3 × 5/16-18 threaded
Bottom Mounting Hole	12.9 mm, unthreaded
Top Mounting-Ear Thickness	11.2 mm
Bottom Mounting-Ear Thickness	26.2 mm
Primary Reference Number	ADR0398
Cross Reference Numbers	400-20007, 4-1057XMP, 8906, 8906N
Replacement Reference	Motorola-style alternator
Application	Marine Applications
Estimated Net Weight	4.0 kg (Estimated)

Compatible Applications

Application Type	Details
Marine Applications	Compatible marine charging systems requiring a matching 12V, 63A alternator
Replacement Reference	Motorola-style alternator
Specific Engine / Vessel Models	Not provided

PRODUCT HIGHLIGHTS

Product Highlights

Feature	Description	Benefit
12V, 63A Output	Designed for compatible marine charging systems	Supports battery charging and electrical-system operation
10SI Alternator Design	Internal regulator and external fan	Provides the specified alternator configuration
Defined Mounting and Wiring	Three-wire setup with specified mounting dimensions	Helps verify compatibility before installation

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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