Balmar Pulley Kit for Yanmar 4JH2-TE, 4JH2-HTE, 4JH2-DTE 4JH2-UTE - 48-YSP-4JH-E
Manufacturer Part #: 48-YSP-4JH-E
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Balmar Serpentine Pulley Conversion Kit for Yanmar 4JH2 Series | MPN: 48-YSP-4JH-E
Upgrade your marine charging system with the Balmar Pulley Kit for Yanmar 4JH2 Series Engines - 48-YSP-4JH-E. Designed for select Yanmar 4JH2 marine diesel engines, this pulley kit provides the components needed to support a Balmar high-output alternator installation and improve belt-driven charging performance.
The 48-YSP-4JH-E Pulley Kit is designed for compatibility with Yanmar 4JH2-TE, 4JH2-HTE, 4JH2-DTE, and 4JH2-UTE engines. By providing an application-specific pulley solution, the kit helps create a properly matched belt drive for installations where increased alternator output places greater demands on the engine's accessory drive system.
Ideal for cruising sailboats and powerboats with substantial DC electrical loads, this Balmar pulley kit is an important component when upgrading to a high-output charging system. Its engine-specific design helps simplify installation while delivering the reliable belt engagement required for demanding marine electrical applications.
Key Features & Performance Advantages
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10-Groove (J10) Serpentine Design: Provides massive surface contact area compared to narrow V-belts, eliminating belt slippage and squeal under high electrical loads.
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Supports High-Output Alternators: Enables safe, continuous operation of high-amperage marine alternators (100A to 200A+) without overloading the engine belt drive.
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Eliminates Belt Dust & Vibration: Drastically reduces black rubber belt dust in your engine room while smoothing out belt vibration and mechanical noise.
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Complete System Conversion: Includes precision-machined J10 crank pulley overlay, water pump pulley, alternator pulley, and custom mounting hardware.
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Includes Primary & Spare Belts: Ships with two 47-inch J10 serpentine belts (one for immediate installation and one onboard spare).
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Direct Engine Compatibility: Custom-matched to fit Yanmar 4JH2 turbocharged engine series specifications.
Technical Specifications
| Specification | Details |
| Manufacturer | Balmar |
| Model / Part Number (MPN) | 48-YSP-4JH-E |
| Pulley Profile | 10-Groove J-Section Serpentine (J10) |
| Engine Compatibility | Yanmar 4JH2-TE, 4JH2-HTE, 4JH2-DTE, 4JH2-UTE |
| Alternator Compatibility | Balmar 6-Series, XT-Series, AT-Series (12V & 24V) |
| Belt Size / Length | J10 47-Inch Circumference (Part # DECT-1047 / J10-470) |
| Pulley Construction | Deep-Anodized Marine Grade Aluminum / Steel |
| Included Belts | 2 Belts Included (1 Primary, 1 Spare) |
What Is Included in the Box?
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(1) J10 Crankshaft Pulley Overlay
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(1) J10 Water Pump Pulley
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(1) J10 Alternator Pulley
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(2) J10 47-Inch Serpentine Drive Belts
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Engine Mounting Hardware & Installation Instructions
Compatible Yanmar Engines
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Yanmar 4JH2-TE
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Yanmar 4JH2-HTE
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Yanmar 4JH2-DTE
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Yanmar 4JH2-UTE
Frequently Asked Questions (FAQ)
This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
Manufacturer : Balmar
Manufacturer Part No : 48-YSP-4JH-E
UPC : 676205501064
Balmar Pulley Kit for Yanmar 4JH2-TE, 4JH2-HTE, 4JH2-DTE 4JH2-UTE - 48-YSP-4JH-E is backordered and will ship as soon as it is back in stock.
Balmar Pulley Kit for Yanmar 4JH2-TE, 4JH2-HTE, 4JH2-DTE 4JH2-UTE -...
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