Skip to product information
1 of 8

Alternator for Marine Applications Delco 10SI 12V - Replaces 4-1057XMP

Alternator for Marine Applications Delco 10SI 12V - Replaces 4-1057XMP

SKU:400-20007

Regular price £218.10 GBP
Regular price £261.72 GBP Sale price £218.10 GBP
Sale Sold out
Taxes included. Shipping calculated at checkout.

Free shipping over £150. Terms apply

Marine Parts Alternator

Fits listed applications (63 Amp)

Keep your Marine Parts running with this 63 Amp 12V replacement alternator. Designed as a direct-fit replacement for the machines listed below, it delivers reliable charging for standard and accessory electrical loads.

This unit features an external fan (EF) and an internal regulator (IR), and is supplied with a V1 pulley already fitted.

DIRECT FIT: Replaces Arrowhead ADR0398 — no modification required on the machines listed below.

Key Features

  • High Capacity: 63 Amps of charging output.
  • Direct Replacement: Replaces Arrowhead ADR0398.
  • Pulley Fitted: V1 pulley installed and ready to fit.
  • Robust Design: EF fan. IR regulator.
  • Quality Assured: New aftermarket unit, 12 month warranty.

Technical Specs

Voltage: 12 Volts
Amperage: 63 Amps
Rotation: CW (Clockwise)
Pulley: V1 (Single Groove)
Regulator: Internal (IR)
Fan Type: External (EF)
Clock: 12
SKU Reference: 400-20007

OEM Part Number Cross Reference

Arrowhead ADR0398, 400-20007
EMP Parts 4-1057XMP
J&N Electrical Products 400-20007
Lester 8906
WAI 8906N

Frequently Asked Questions

Is this a 63 Amp alternator?

Yes, this is a 63 Amp 12V unit with an IR regulator.

Is the pulley included?

Yes, a V1 pulley is pre-installed.

Is this new or remanufactured?

This is a brand new aftermarket unit — not a remanufactured core.

Note: Please verify your machine's serial number or existing part number to ensure compatibility.
Fast shipping available across the UK and Europe.

View full details
Shipping calculated at checkout. Free shipping over £150. Terms apply