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Alternator for Volvo Penta Marine 12V 70A MD2010 MD2020 MD2030 MD2040 873770

Alternator for Volvo Penta Marine 12V 70A MD2010 MD2020 MD2030 MD2040 873770

400-29040

£204.00 GBP
£244.80 GBP £204.00 GBP
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Volvo Penta Alternator

Fits 2001, 2002, 2003 T, 251A - DOHC & More (100 Amp)

Keep your Volvo Penta running with this 100 Amp 12V replacement alternator. Designed as a direct-fit replacement for the marine stern drive listed below, it delivers reliable charging for standard and accessory electrical loads.

This unit features an external fan (EF) and an internal regulator (IR).

DIRECT FIT: Replaces Arrowhead AIA0032 — no modification required on the machines listed below.

Key Features

  • ✔High Capacity: 100 Amps of charging output.
  • ✔Direct Replacement: Replaces Arrowhead AIA0032.
  • ✔Robust Design: EF fan. IR regulator.
  • ✔Quality Assured: New aftermarket unit, 12 month warranty.

Technical Specs

Voltage: 12 Volts
Amperage: 100 Amps
Rotation: CW (Clockwise)
Regulator: Internal (IR)
Fan Type: External (EF)
Clock: 8
SKU Reference: 400-29040

Vehicle Fitment Guide

Make Equipment Type Models Years
Volvo Penta Marine Stern Drive 2001, 2002, 2003 T, 251A - DOHC, 431A B, 432A B, 434A B, 500A B, 501A B, 570A, 572A B, 740A B, AD31 A B D L P X, AD41A B D L P, AQ100, AQ115A B C, AQ120, AQ120B, AQ125 A B, AQ130A B C D, AQ131A B C D, AQ140 A, AQ145, AQ145A, AQ145B, AQ151A B C, AQ165, AQ165A, AQ170A B C D, AQ175A, AQ200A B C, AQ205A, AQ211A, AQ225A B C D F, AQ231A B, AQ255A B, AQ260A B, AQ271 A B C, AQ280A, AQ290A, AQ2B 1961–2005
Volvo Penta —

OEM Part Number Cross Reference

Arrowhead AIA0032, MG58, MG77, IA1438, IA1450
J&N Electrical Products 400-29040
Lester 13068, 20721
Letrika (iskra) Aftermarket IA 1438, IA 1450
Letrika (iskra) Description AAK3802, AAK3830, AAK4674, AAK4675
Letrika (iskra) OEM 11.203.998, 11.204.062, 11.205.070, 11.205.071
Mahle MG58, MG77
Volvo 3803260-3, 8722357
Volvo Penta 872019-5, 873633, 873770

Frequently Asked Questions

Will this fit my Volvo Penta 2001?

Yes — the 2001 appears in the fitment guide above. Check your existing part number against the cross reference table to confirm.

Is this a 100 Amp alternator?

Yes, this is a 100 Amp 12V unit with an IR regulator.

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.

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