• Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1
  • Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1
  • Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1
  • Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1
  • Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1
  • Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1
  • Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1
Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1
Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1
Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1
Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1
Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1
Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1
Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1

CM Marine

Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1

SKU 40012303-0318ADR
$349.99
$349.99
In stock

Want to double-check? Email us a photo of your old part and we'll confirm the fit.

Shipping & returns

New Zealand – We ship NZ-wide with NZ Post / CourierPost. Most North Island addresses are delivered the next working day after dispatch; South Island 2–3 working days. Rural addresses can take an extra 1–2 days. Shipping is calculated at checkout.

Australia & worldwide – We also ship to Australia (DHL, usually 3–5 business days) and worldwide (NZ Post or DHL). The shipping cost is calculated at checkout.

When will my order ship? In-stock items are packed and dispatched as quickly as possible, and you'll get an email with tracking once it's on its way.

Victron Energy products – Most Victron items are sent directly from the NZ distributor and usually arrive within 1–5 business days.

Payment – We accept Visa, Mastercard, PayPal, Shop Pay, Apple Pay, Google Pay and Afterpay at checkout. Trade and invoiced customers can also pay by bank transfer to C M GLOBAL LIMITED, account 38-9017-0100535-00, using the invoice number as the reference.

Returns & warranty – See our Warranty & Returns page.

Questions? Email sales@cmmarine.co.nz – Monday to Friday, 9am–5pm NZT.

Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1 Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1 Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1 Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1 Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1 Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1 Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1
Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1 Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1 Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1 Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1 Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1 Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1 Alternator for Mercury Marine 75–225HP Optimax (2004–2014) | Replaces 875286A1

A high-quality replacement component designed for compatibility with various Mercury Marine outboard engines, including the 75ELPT Optimax (2005-2014) and models with 75, 90, 115, and 225 horsepower. This alternator ensures maximum output and optimal performance, meeting or exceeding OEM specifications. Constructed with durable materials, it offers reliability and longevity for marine applications.

    Quick Fit, Hassle-Free:
    Features a direct OEM-fit design for straightforward installation. No rewiring or special tools required—just a simple, bolt-on replacement that gets you back on the water faster.

    Applications:
    Fits a wide range of Mercury Marine engines including:
    115ELPT / 115EXLPT Optimax (2004–2014)
    Optimax Saltwater Series (2004–2005)
    115ELPT Pro XS Optimax (2010–2015)
    125ELPT / 125EXLPT Optimax

    Replaces OEM Part Numbers:
    Arrowhead: ADR0318, 400-12303
    ARCO Marine: 20850
    Delco: 19020704, 19020707
    Dixie: A-1666
    EMP Parts / MP Parts: 4-6455
    EMS: 8471N
    Family: 5SI
    J&N Electrical Products: 400-12155, 400-12303
    Lester: 8471
    Mallory: 9-19201
    Mercury Marine: 875286A1, 875286T, 881247A1, 889956
    MES Motorcycle & Marine: 3201M
    Minnpar: 47-2961
    PIC: 240-6318
    RCP: 42950
    Sierra Marine: 18-6455
    WAI: 1-2486-01DR
    Wilson Small Engine: 70-01-8471
    Wilson: 90-01-4430

    Product Specifications:
    Condition: New aftermarket replacement
    Unit Type: Alternator
    Voltage: 12V
    Amperage: 50A
    Regulator: Internal (IR)
    Fan Type: Internal (IF)
    Pulley: 4-groove, 50mm OD
    Fits: Mercury Marine

    • Our part number: 40012303-0318ADR

    Replaces these part numbers: OEM Part NumbersArrowhead: ADR0318, 400-12303ARCO Marine: 20850Delco: 19020704, 19020707Dixie: A-1666EMP Parts / MP Parts: 4-6455EMS: 8471NFamily: 5SIJ&N Electrical Products: 400-12155, 400-12303Lester: 8471Mallory: 9-19201Mercury Marine: 875286A1, 875286T, 881247A1, 889956MES Motorcycle & Marine: 3201MMinnpar: 47-2961PIC: 240-6318RCP: 42950Sierra Marine: 18-6455WAI: 1-2486-01DRWilson Small Engine: 70-01-8471Wilson: 90-01-4430 Product

    Related products

      • Tracked shipping from Auckland

        Most orders are delivered the next working day after dispatch. Rural addresses can take an extra 1–2 days.

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