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Alternator Marine Inboard Sterndrive Mercruiser OMC Volvo 12V 55A Mando 817119

Alternator Marine Inboard Sterndrive Mercruiser OMC Volvo 12V 55A Mando 817119

400-46022

£199.00 GBP
£261.00 GBP £199.00 GBP
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Free shipping over £150. Terms apply

Mercruiser Alternator

Fits Model 120, Model 140, Model 165, Model 175 & More (55 Amp)

Keep your Mercruiser running with this 55 Amp 12V replacement alternator. Designed as a direct-fit replacement for the marine stern drive, marine 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 Andre Niermann 0251101 — no modification required on the machines listed below.

Key Features

  • ✔High Capacity: 55 Amps of charging output.
  • ✔Direct Replacement: Replaces Andre Niermann 0251101.
  • ✔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: 55 Amps
Pulley: V1 (Single Groove)
Regulator: Internal (IR)
Fan Type: External (EF)
SKU Reference: 400-46022

Vehicle Fitment Guide

Make Equipment Type Models Years
Mercruiser Marine Stern Drive Model 120, Model 140, Model 165, Model 175, Model 185, Model 2.5L, Model 200, Model 205, Model 228, Model 230, Model 260, Model 3.0 / 3.0LX, Model 300 Tempest, Model 320 (EFI), Model 330, Model 350 Mag Alpha, Model 350 Mag Alpha (4-BBL), Model 370 TRS, Model 4.3L (2-BBL), Model 4.3L (Gen +), Model 4.3L (Gen II), Model 4.3L (Gen II) (2-BBL), Model 4.3LHX (Gen +) (4-BBL), Model 4.3LX (4-BBL), Model 4.3LX (Gen +) (2-BBL), Model 4.3LX (Gen II) (4-BBL), Model 400 TRS (Cyclone), Model 440 TRS (Cyclone), Model 454 Mag Alpha, Model 454 Mag Bravo, Model 454 Mag Bravo (Gen V), Model 454 Mag Bravo (Gen VI), Model 460 TRS (Cyclone), Model 5.0L (2-BBL), Model 5.0L (2-BBL) (Gen +), Model 5.0LX, Model 5.7L (2-BBL), Model 5.7L (2-BBL) (Gen +), Model 5.7L Bravo, Model 5.7LX (4-BBL), Model 502 Mag Bravo, Model 502 Mag Bravo (Gen V), Model 7.4L Bravo, Model 7.4L Bravo (Gen V), Model 7.4L Bravo (Gen VI), Model 898 1970–2002
Mercruiser Marine Model 120, Model 140, Model 175, Model 185, Model 2.5L, Model 200, Model 205, Model 228, Model 230, Model 260, Model 3.0, Model 3.0LX, Model 330, Model 350 Mag Alpha, Model 350 Mag Alpha (4-BBL), Model 4.3L (2-BBL), Model 4.3L (Gen II), Model 4.3L (Gen II) (2-BBL), Model 4.3LX (4-BBL), Model 4.3LX (Gen II) (4-BBL), Model 454 Mag Alpha, Model 454 Mag Bravo, Model 454 Mag Bravo (Gen V), Model 454 Mag Bravo (Gen VI), Model 5.0LX, Model 5.7L (2-BBL), Model 5.7L Bravo, Model 5.7LX (4-BBL), Model 502 Mag Bravo, Model 502 Mag Bravo (Gen V), Model 7.4L Bravo, Model 7.4L Bravo (Gen V), Model 7.4L Bravo (Gen VI) 1982–1997
Mercruiser Engine - Marine Inboard Model 198 MIE, Model 228, Model 228 MIE, Model 230 MIE, Model 255 MIE, Model 260 MIE, Model 330, Model 330 MIE, Model 340 MIE w/Borg Warner MK4, Model 5.0L (4-BBL), Model 5.7L MIE, Model 7.4L MIE (LH) (Gen V), Model 7.4L MIE (LH) (Gen VI), Model 7.4L MIE (LH) w/Hurth MK4, Model 7.4L MIE w/Borg Warner, Model 8.2L MIE (Gen V), Model 8.2L MIE w/Hurth, Model 898 1975–1998
Mercruiser Engine Model 230 MIE, Model 260 MIE, Model 350 Mag Ski, Model 420, Model 425, Model 425 (Gen V), Model 450 (Gen V), Model 465, Model 465 (Gen V), Model 5.0L (4-BBL), Model 5.7L Competition Ski, Model 5.7L MIE, Model 5.7L Ski, Model 500 (Gen +), Model 500 (Gen V), Model 500 (Gen VI), Model 500 Bulldog, Model 525SC, Model 525SC (Gen V), Model 525SC (Gen VI), Model 600SC (Gen VI), Model 600SC Gen IV, Model 600SC Gen V, Model 7.4L MIE (LH) (Gen V), Model 7.4L MIE (LH) (Gen VI), Model 7.4L MIE (LH) w/Hurth MK4, Model 8.2L MIE (Gen V), Model 8.2L MIE w/Hurth, Model 800SC (Gen V) 1981–2001
Mercruiser Ski Engine Model 350 Mag Ski, Model 5.7L Competition Ski, Model 5.7L Ski 1985–1997
Mercruiser Hi-Performance Engine Model 420, Model 425, Model 425 (Gen V), Model 450 (Gen V), Model 465, Model 465 (Gen V), Model 500 (Gen +), Model 500 (Gen V), Model 500 (Gen VI), Model 500 Bulldog, Model 525SC, Model 525SC (Gen V), Model 575, Model 600SC (Gen IV & V), Model 600SC (Gen VI), Model 800SC (Gen V) 1985–2001
OMC Engine - Marine 2.3L, 3.0L, 3.2L, 4.3L, 5.0L, 5.7L, 5.8L, 7.4L, 7.5L, 8.2L 1987–1996
Universal Engine - Marine Inboard 5411, 5416, 5421, 5424, 5432 Atomic Four, 5444, M-12, M-15, M-18, M-20, M2-12, M-25, M-25 XP, M-30, M3-20, M3-20A, M-35, M-35A, M-40, M4-30 Atomic Four, M4-30A, M-50, M-50B 1976–2004
Volvo Penta Marine Stern Drive 3.0GL, 3.0GS, 4.3Gi, 4.3GL, 4.3GS, 5.0Fi, 5.0FL, 5.7Gi, 5.7GL, 5.7GS, 5.7GSi, 5.8Fi, 5.8L, 7.4GL, 8.2GL 1993–1999
Volvo Penta Marine 3.0GL, 3.0GS, 4.3Gi, 4.3GL, 4.3GS, 5.0Fi, 5.0FL, 5.7Gi, 5.7GL, 5.7GS, 5.7GSi, 5.8Fi, 5.8L, 7.4GL, 8.2GL 1993–1999
Mercruiser Stern Drive Model 165, Model 175, Model 185, Model 2.5L, Model 200, Model 205, Model 228, Model 230, Model 260, Model 3.0 / 3.0LX, Model 300 Tempest, Model 320 (EFI), Model 330, Model 350 Mag Alpha (4-BBL), Model 350 Mag Alpha, Model 370 TRS, Model 4.3L (2-BBL), Model 4.3L (Gen II) (2-BBL), Model 4.3L (Gen II), Model 4.3LX (4-BBL), Model 4.3LX (Gen II) (4-BBL), Model 400 TRS (Cyclone), Model 440 TRS (Cyclone), Model 454 Mag Alpha, Model 454 Mag Bravo (Gen V), Model 454 Mag Bravo (Gen VI), Model 454 Mag Bravo, Model 460 TRS (Cyclone), Model 5.0LX, Model 5.7L (2-BBL), Model 5.7L Bravo, Model 5.7LX (4-BBL), Model 502 Mag Bravo (Gen V), Model 502 Mag Bravo, Model 7.4L Bravo (Gen V), Model 7.4L Bravo (Gen VI), Model 7.4L Bravo, Model 898 1971–1997
OMC Engines - Marine INBOARD & V-DRIVE 1993–1996
Pleasurecraft Inboard & Sterndrive Various Models
Volvo Penta Inboard & Sterndrive 3.0GL, 3.0GS, 4.3Gi, 4.3GL, 4.3GS, 5.0Fi, 5.0FL, 5.7Gi, 5.7GL, 5.7GS, 5.7GSi, 5.8Fi, 5.8L, 7.4GL, 8.2GL 1993–1999

OEM Part Number Cross Reference

Andre Niermann 0251101
API Marine 20054, ALT53
Aqua Power 1926
Arco Marine 60050, 60109
Arrowhead 400-46022
Barsanco 300-000
Cargo 110959
Cushman 893633
Dixie A-80047, A-8311, A-8763, MA-912
Dixie NEW 141-33101
Dubois 912174
EMP Parts 4-5966
EMS 293-18N
HC Parts JA1169IR
IAT A12268, A5603, A893633
J&N Electrical Products 400-46002, 400-46003, 400-46008, 400-46022
Lester 12174, 12268, 12828, 7466, 7468
Lucas Electrical Europe LRA01339, LRA01960
Mallory 9-19101
Mando A000B0331, AC155603, AC155604, AC155614, AC155907, AR150, AR150AA, AR150AR, AR150BA, M56750
Mercury Marine 12449, 19685, 78402, 78403, 78403A1, 78403A2, 817119, 817119-1, 817119-2, 817119A1, 817119A4, 92497A3, 98555
MES Motorcycle & Marine 3144M, 3186M, 3186M-C-HQ, 3186M-HO
Minnpar 47-1849, 47-2077, 47-4828
Motorola 10-224, 10-256, 8MR2023F, 8MR2023FA, 8MR2024F, 8MR2036K, 8MR2039K
MP Parts 4-1054
NSA ALT-3701
OMC 3860769
P.c.m. RA097006
PIC 210-121, 210-122, 293-11, 293-18, 293-21, 293-27
Prestolite 110-224, 110-292, 110-293, 110-294, 110-686
RCP AL-12176, AL-65811
Sierra Marine 18-5951, 18-5957, 18-5966
Volvo Penta 3850927-9, 3854809-5
Wagner 420331
WAI 1-1947-01MD, 1-2463-01MD, 1-2468-31MD, 1-2835, 12174N-1G, 12268N
Wilson 90-05-9097, 90-05-9187, 90-31-7001, 90-31-7005, 90-31-7008, 90-31-7020
Wilson HD 90-31-7020
Wilson Small Engine 70-01-7195, 70-31-12174V
Wood Auto ALT34001

Frequently Asked Questions

Will this fit my Mercruiser Model 120?

Yes — the Model 120 appears in the fitment guide above. Check your existing part number against the cross reference table to confirm.

Is this a 55 Amp alternator?

Yes, this is a 55 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.
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Shipping calculated at checkout. Free shipping over £150. Terms apply