AltMount Serpentine Pulley Kit – Yanmar 3YM30

(1 customer review)

Original price was: $495.00.Current price is: $443.00.

Fits Yamnar 3YM30 marine diesel engines.

SKU: BAL-48-YSP-3YM-B Category: Tag:


Balmar AltMount Serpentine Pulley Kit – Yanmar

This AltMount serpentine pulley kit fits Yanmar 3YM30 marine diesel engines. It allows you to install a high output marine alternator in the alternator original position. These kits are the ideal upgrade for serious cruisers and others looking to maximize their charging capacity delivered by their main engine.

AltMount®Serpentine Pulley Conversion Kit for Yanmar Diesel Engines

Yanmar Engines Covered: 3YM30

Kit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 39″ Circumference Serpentine Belts (one spare) & Mounting Hardware

Note: If you want to use with an OEM-style alternator, please order 48-AM-97 also.

Additional information

Weight 5 lbs
Dimensions 8 × 8 × 4 in

AltMount, Balmar




Usually Ships in 1-2 Business Days

1 review for AltMount Serpentine Pulley Kit – Yanmar 3YM30

  1. Bill Kneller, Portsmouth, RI

    Great Boundless Outfitters Experience!

    I corresponded with Boundless Outfitters before the sale to see if they could substitute a different alternator pulley on my Balmar Serpentine Belt kit. Tim responded promptly and indicated that was no problem. I ordered the kit and it arrived within 7 days. The price was fantastic. I’m very happy I used Boundless Outfitters and will buy from them again in the future.

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