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Balmar 621 Series 120A Kit w/MC-614 Regulator, T-Sensor, K6 Pulley, Single Foot & Mounting Hardware

SKU 621-VUP-MC-120-K6
by Balmar
Save $119.00
Original Price $1,122.00
Current Price $1,003.00

Upgrade your engine with the powerful and versatile 621 Series 120A Kit, featuring a high-performance alternator, regulator, and essential accessories. Engineered for seamless installation, this kit delivers superior charging and reliable performance for your marine or industrial application.

  • High-Output Alternator: The 621-120-K6 alternator provides 120A of charging power at 12V, ensuring your batteries stay charged and your electrical system runs smoothly.
  • Versatile Mounting Options: The kit includes two different mounting styles, Motorola-style and Delco-style, to fit a wide range of engines, from Westerbeke and Lehman to Volvo Penta and Mercruiser.
  • Comprehensive Kit: In addition to the alternator, the kit includes a MC-618 regulator, temperature sensors, and all the necessary mounting hardware for a complete and easy installation.
  • Manufacturer Support: While this product cannot be returned to the original point of purchase, the manufacturer is available to assist with any issues or concerns you may have.

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  • Description
  • Shipping & Returns
  • 621 Series 120A Kit with MC-618 Regulator, T-Sensor, K6 Pulley, Single Foot & Mounting Hardware

    Kit Includes:

    • 621-120-K6 Alternator
    • MC-618 Regulator
    • Temperature Sensors
    • Mounting Hardware

    621-120-K6 Alternator: 120A, 12V, Spindle Mount (Single Foot), 1-2in, K6 Serpentine Pulley, Isolated Ground

    1" Motorola-Style Mounting; Typical for Westerbeke, Lehman, Hino & Pathfinder Engines
    2" Delco-Style Mounting; Typical for Volvo Penta (Gas & Diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, Marine Power & other GM-based Engines

  • Shipping

    Most orders ship on the same business day or the next business day. Some orders ship directly from the manufacturer, and these may take an additional 1-2 days to process, depending on the manufacturer. Contact us to confirm ship times.

    We currently offer FREE 2-day shipping on all orders over $50 to the contiguous 48 states in the USA.

    Flat rate shipping of $7.95 USD for orders under $50 within the contiguous 48 states.

    Overnight shipping rates available at checkout. 

    Shipping for orders to states or US territories outside of the contiguous 48 states will be calculated at checkout.

    30-Day, No-Hassle Returns

    To return an item, send an email to info@secondreef.co. Please include your full name and order number in your email.

    Returns must be requested within 30 days of the receipt of your order. The product must be returned unopened in the original packaging. We do not accept returns of used products.

    Refunds are subject to a 5% restocking fee to cover the non-refundable credit card processing fees we incur and the administration required.

    View our full shipping and returns policies here.