Replacement Alternator for Yanmar 2GM 1987 2-Cylinder Diesel Engine

Replacement for Yanmar 2GM 1987 2-cylinder diesel engine alternator part. This component is built to match the original equipment form and electrical output requirements for the specified single-application engine. It supports the charging system by converting mechanical energy into electrical power as needed during operation. The design aligns with the engine's 1987 model configuration without deviation from factory mounting points or connection interfaces. Extensive engineering ensures consistent output across varying load conditions typical in marine environments where steady power delivery is essential for navigation and onboard systems. High-quality materials resist corrosion from saltwater exposure and vibration common in diesel-powered vessels.

Key Features & Benefits

• Direct fit for the Yanmar 2GM 1987 engine model
• Supports consistent alternator function in diesel applications
• Engineered to original output ratings for the 2-cylinder setup
• Resists corrosion and vibration in harsh marine conditions
• Simple installation with no modifications required
• Provides steady voltage under extended operating loads
• Built with durable components for prolonged service life

Product Specifications

• Length: 7.090 inches
• Rotation direction: clockwise
• Output rating: 35 amps
• Pulley diameter: 2.5 inches

Replacement Compatibility

Compatible with Yanmar 2GM 1987 2-cylinder diesel engine systems only. This alternator replacement part installs in the designated position to maintain electrical generation for onboard systems. The unit integrates seamlessly with factory brackets and pulleys to deliver steady voltage regulation under typical operating loads. Marine operators benefit from restored battery charging capability that prevents unexpected power loss during extended voyages. All connection points align precisely with the original layout to avoid electrical faults or grounding issues. Further guidance includes checking belt condition and verifying terminal polarity before final connection to ensure full functionality upon startup.

Discover the Perfect Replacement

Browse the selection of alternator components to locate the exact match for your engine requirements and complete your order for prompt delivery. This ensures your Yanmar diesel continues operating at peak efficiency with minimal downtime for maintenance or part swaps. Detailed instructions accompany each unit to guide even first-time installers through the process safely and effectively. Consider inspecting related components such as the voltage regulator and battery cables during replacement to optimize overall system health. Proper maintenance of the charging circuit extends the lifespan of electrical accessories and supports reliable vessel operation in varied sea states and weather conditions.

During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.

All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)

At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.