Arco Starting & Charging 20851 Marine Alternator for Mercury Outboard Engines

The Arco Starting & Charging 20851 is a high-performance marine alternator designed specifically for Mercury outboard engines in the 135 HP to 150 HP range. This 12-volt, 55-amp alternator delivers reliable charging power in demanding marine environments, ensuring your electrical systems stay powered on the water.

Specifications:

• Output: 12 Volt, 55 Amp
• Pulley: 4-groove design, included
• Application: Mercury Outboard Engines 135 HP - 150 HP

Key Features:

• Engineered for superior performance and long-term reliability in marine applications
• Manufactured with precision engineering and quality materials
• Meets or exceeds OEM performance specifications
• Pulley included for complete installation

OEM Cross-References:

• Mercury 8M0065239
• Mercury 8M0057693
• Mercury 8M0062515

Warranty: Backed by a 12-month warranty for leisure use (90 days for commercial/racing applications) against defects in materials and workmanship. Register your product within 30 days of purchase at arcomarine.com/product-registration to receive an additional year of warranty coverage.

This direct-fit replacement alternator provides dependable charging performance for Mercury outboard owners, with the quality and durability expected from Arco Marine products.