48-YSP-3GM-B - Balmar Yanmar-Compatible Serpentine Pulley Kit | Aztek Computers
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SKU: LUE4GKUN5N |  Mfg. Part: 48-YSP-3GM-B  | UPC: 676205501149  | 
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48-YSP-3GM-B - Balmar Yanmar-Compatible Serpentine Pulley Kit for 2GM20-F, 3GM30-F

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$679.52  $917.35
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Product Overview

Yanmar-Compatible Serpentine Pulley Kit

This AltMount® Serpentine Pulley Conversion Kit is designed specifically for Yanmar Diesel Engines, providing a reliable upgrade for your marine vessel.

Engines Covered: Yanmar 2GM20-F, 3GM30-F, 3GM-F

Kit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 40″ Circumference Serpentine Belts (one spare), and Mounting Hardware.

Note: If you are using an AT-200A Alternator, a longer belt length may be required.

Return Policy: This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Expert Overview

The Balmar Yanmar-Compatible Serpentine Pulley Kit, part number 48-YSP-3GM-B, is an upgrade solution for marine vessels equipped with specific Yanmar diesel engines. This kit is designed for the Yanmar 2GM20-F, 3GM30-F, and 3GM-F models. It provides a serpentine belt conversion, which can offer a reliable alternative to standard V-belt systems. The kit includes three J10 pulleys, two J10 serpentine belts (one for immediate use and one spare), and all necessary mounting hardware for installation. This product addresses the need for a direct-fit serpentine conversion for the specified Yanmar engines, offering a complete package for IT hardware resellers supporting marine industry clients or businesses managing their own fleets. It is intended for buyers seeking to upgrade or replace their existing pulley systems with a compatible and complete solution.

Technical Specifications

  • Designed for Yanmar 2GM20-F, 3GM30-F, 3GM-F engines
  • Includes three high-quality J10 pulleys
  • Comes with two serpentine belts (one spare)
  • Complete mounting hardware included
  • Easy installation and reliable performance

Product Details

  • Manufacturer:
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  • UPC:
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  • Balmar
  • 48-YSP-3GM-B
  • B0B5ZYYC5W
  • 676205501149
  • New
  • 4 lbs
  • 9 X 5 X 8
  • Jul 21, 2026
  • Apr 16, 2025
  • UNITED STATES
Product Identifiers: Brand: Balmar • Part #: 48-YSP-3GM-B • UPC: 676205501149 • ASIN: B0B5ZYYC5W • Category: Multi-Purpose Engines

Frequently Asked Questions

What components are included in the Balmar 48-YSP-3GM-B kit?

The kit includes three ten-groove (J10) pulleys, two J10, 40-inch circumference serpentine belts (one primary, one spare), and all necessary mounting hardware.

Is special hardware required for installation?

No, the kit comes with complete mounting hardware included, designed for easy installation.

Are there any considerations regarding belt length with specific alternators?

Yes, if you are using an AT-200A Alternator, a longer belt length than the included 40-inch belts may be required.

48-YSP-3GM-B - Balmar Yanmar-Compatible Serpentine Pulley Kit for 2GM20-F, 3GM30-F

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$679.52