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Mercruiser 3.0 Alternator

The Best Mercruiser 3.0 Alternator of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Mercruiser 3.0 Alternator of 2023. Check our ranking below.

2,400 Reviews Scanned

Rank No. #1
OEG Parts New Alternator SAEJ1171 Compatible With Mercruiser PCM Pleasurecraft OMC Inboard Compatible With OEM Mando & Motorola A000B0331 AC155603 AC155604 AC155614
  • Replacement Part Numbers: 10358, RA097006, PL110-517, PL110517, PL110-488, PL110488, M56750, AR150BA, AR150AR, AR150AA, AR150, AMO0083, AMO0082, AMN0002, AC155614, AC155604, AC155603, A000B0331, 98555, 92497A3, 92497, 8EM2010KA, 8EM2010K, 8EM2007KA, 8EM2007K, 817119A4, 817119A1, 817119-2, 8171192, 817119-1, 8171191, 817119, 7496, 400-46022, 40046022, 400-46003, 40046003, 400-46002R, 40046002R, 400-46002, 40046002, 400-16133, 40016133, 400-16059, 40016059, 3860769, 3854809-5, 38548095
  • Condition: New; Unit Series: PMA; Voltage: 12V; Amperage: 55A; Rotation: BI; Regulator/Fan: IR/EF; Pulley Class: V1; Mounting Hardware Included: No; Number of Pieces: 1; Country of Origin: CN; Notes: PERMANENT MAGNET
  • This Replacement Is Desirable For Both Economic And Reliability Reasons. Units W/ External Regulator Are Obsolete - Red Lead Battery Sense - Purple Or Black Lead Ignition - - Complies To SAE J1171 Certification - Exceptional Quality For The Price
  • Design Based On Mando Internal Regulator / External Fan - See Product Description for Fitment Chart
  • Additional Part Numbers: 3854809, 3853853-4, 38538534, 3850927-9, 38509279, 20130204, 20130179, 19685, 12449, 12268, 12174N-1G, 12174N1G, 12174, 1210-000, 1210000, 110-517, 110517, 110-374, 110374, 110-358, 110358, 10-374, 10374, 10-358
Rank No. #2
DB Electrical 400-46022 Alternator Compatible With/Replacement for MerCruiser Models and Certain Marine-Specific Motors, High-Output MerCruiser Alternator, Direct-Fit OEM MerCruiser Parts
  • COMPATIBILITY: Alternator is compatible with Model 198 MIE 1977, Model 228 1977-1981, Model 228 MIE 1977-1980, Model 255 MIE 1975-1980 3186M-C-HQ, 8MR2023FA, 7466N. See description for a complete list of part numbers the 410-22003 alternator can replace.
  • ALTERNATOR PART SPECIFICATIONS: Voltage: 12, Amperage: 55, Pulley Class: V1, Regulator: IR, Fan Type: EF, Fits Mercury Marine. DB Electrical aftermarket alternators are designed to fit perfectly and replace the ones that initially came with your boat.
  • HIGH-PERFORMANCE ALTERNATOR: DB Electrical alternators are built to withstand high heat, with plated fans, pulleys, and hardware to protect against rust. Our alternators come with MerCruiser flame arrestor screens to meet Marine SAEJ1171 Certification as laid out by the SAE.
  • OEM STANDARDS: Our products are direct-fit OEM replacement alternators for Cushman: 893633, EMP Parts: 4-5966, Lester: 12174, 12268, 12828, 7466, 7468, 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
  • Please check the Amazon Confirmed Fit bar to ensure compatibility with your vehicle. If the confirmed fit bar has an "i" in a blue circle, this product has additional notes. Please hover over the “i” to see notes before making your purchase.
Rank No. #3
Premier Gear PG-8465 Alternator Replacement for Mercruiser Model 900Sc (99-02), Model 3.0/3.0Lx (99-06), 862030, 862030-1, 862030T, 19020600, 19020604, 20115017TBA
  • Brand New - Manufactured with New Premium Quality Components
  • Engineered to Meet or Exceed OEM Specifications
  • All Items Tested for Reliability, Durability and Performance
  • See Product Description for Additional Specifications
Rank No. #4
New Premium 12V Alternator SAEJ1171 Certified Marine fits Mercruiser Model 900SC 9.0L 542ci 1999-2002 Stern Drive Model 3.0L 99 00 01 02 03 04 05 06 Replaces 20810 18-5983 862030T01 19020600
  • Internal Regulator Internal Fan 12 Volt 70 Amp, P Terminal, Single Groove Pulley
  • Meets or Exceeds OEM Specifications - One year Warranty!
  • Compatible References 862030 862030-1 862030-1T A-1663 RA00109 70-01-8465 19020604 862030T 20115017TBA 70-01-8465 20110
  • 100% Computer Load Tested for Reliability
Rank No. #5
SCITOO Alternator Fit for Mercruiser Model 900Sc 1999-2002, for Mercruiser Model 3.0/3.0Lx 1999-2006 - 12V 70Amp CW 1-Groove Pulley, Replace OE 8465 862030 862030-1 862030T 19020600 19020604
  • 【Alternator Fitment】- Automotive new alternator replacement for Mercruiser Model 900Sc 1999-2002,for Mercruiser Model 3.0/3.0Lx 1999-2006
  • 【High-Performance Specifications】 – Engineered with Voltage: 12V; Amperage: 70Amp; Rotation: CW (Clockwise); Regulator: IR (Internal Regulator) ; Fan: IF (Internal Fan); Grooves: 1-Groove Pulley; Condition: New, high output alternator is compact and lightweight, fully compatible with the electronic system of your vehicle, this automotive replacement alternator delivers reliable power for your car, it’s built to meet the demands of modern vehicles
  • 【Car Alternator Reference Number】- Direct OEM replacement for your malfunctioning part, OE number : 862030, 862030-1, 862030T 19020600, 19020604 20115017TBA 8465 ADR0317 400-12152 90-01-4425 9-19109 18-5983 8465N, 8465N-105A 20110 A-1663
  • 【Premium Alternators】 - New alternators throught precision CNC machined castings, Bearing 100% tested to OE standards. All key mounting points are measured for proper fit. Throught igorous and accelerated cycling tests to ensure the quality and durability of product;Installing this alternator is a breeze! Simply disconnect the battery’s negative terminal, adjust the transmission belt to the correct tension (too loose = power loss; too tight = bearing damage), and tighten all screws securely
  • 【Why Choose SCITOO】 – As a trusted name in automotive replacement parts, SCITOO delivers high-output alternators that combine performance, durability, and affordability. Whether you’re driving a sedan, SUV, or truck, our alternator is your go-to solution for reliable power; for any issues, our team provides professional technical support

Last update on 2025-07-05 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Mercruiser 3.0 Alternator.
  7. Product Quality: You don’t always get what you pay for with an Mercruiser 3.0 Alternator, sometimes less, and sometimes more.
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