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Marine Alternator 12V 55A for Mercruiser Volvo Penta OMC Mercury

Marine Alternator 12V 55A for Mercruiser Volvo Penta OMC Mercury

SKU:400-16063

Regular price £292.80 GBP
Regular price £351.36 GBP Sale price £292.80 GBP
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Marine Alternator 885.001.051.440

Premium 12V 55A Marine Ignition Protected Replacement

Upgrade or replace your marine charging system with this heavy-duty 55 Amp alternator. Engineered specifically for the harsh marine environment, this unit provides consistent power to your battery and electrical systems while meeting SAE J1171 ignition protection standards.

RELIABILITY: Internal regulator and external fan design ensures optimal cooling and voltage stability even under high-load marine conditions.

Key Features

  • Ignition Protected: Certified for marine use.
  • Bidirectional: Works with CW/CCW rotations.
  • Single Groove Pulley: Standard V-belt fitment.
  • Direct Bolt-on: Spool mount for easy installation.

Technical Specs

Voltage 12V
Amperage 55 Amp
Rotation Bidirectional
Pulley Type 1-Groove (V-Belt)
Fan External
Regulator Internal

Compatibility / Fitment Guide

Engine Type Model Range Years
Mercruiser 3.0L, 4.3L, 5.0L, 5.7L, 7.4L, 8.2L 1987-1998
OMC Marine 3.0L, 4.3L, 5.0L, 5.7L, 5.8L, 7.4L 1988-1996
Volvo Penta 3.0L, 4.3L, 5.0L, 5.7L, 7.4L, 8.2L 1994-2007

OEM Cross Reference

Mercury / Mercruiser 12449, 817119A1, 817119A4, 92497A3, 78403A2
Mando AC155603, AC155604
Volvo Penta 3854809, 3853853, 3850927
Arco / Sierra 60050, 65050 / 18-5966
WAI / Lester 7465N / 12449

Questions & Answers

Is this a genuine original part?

This is a premium quality aftermarket replacement part from 4Drive, manufactured to meet or exceed original equipment (OE) standards for marine reliability and safety.

How do I know if it is compatible?

Compare the part number on your existing alternator with our OEM Cross Reference list. This unit is the standard Mando-style 55A alternator found on most Mercruiser and Volvo Penta gas engines from the late 80s through the early 2000s.

Does this alternator include a pulley?

Yes, this unit comes pre-fitted with a single-groove V-belt pulley, ready for immediate installation.

Note: Please verify your original part number against the references above before purchasing. All 4Drive marine electrical parts are tested for performance and safety.

Domain: 4drive.co.uk

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