Polaris 1.5L / 2.0L 400-Amp High-Output Alternator Upgrade

Building on our proven 250-amp platform, this 400-amp high-output alternator is engineered specifically for Polaris 1.5L and 2.0L engine applications requiring extreme electrical capacity. Designed for customers pushing the limits with large audio systems, extensive lighting arrays, multiple auxiliary battery banks, winches, cooling upgrades, and other sustained high-demand loads, this unit delivers maximum charging performance across the entire RPM range.

• Direct-Fit Design – Engineered to mount in the factory location on applicable Polaris 1.5L and 2.0L platforms with proper belt retention using the factory stretch belt.
• Maximum Output Performance – Our highest-output offering for this platform, built to support aggressive and continuous electrical loads while maintaining stable charging from low RPM through peak engine speed.
• Internal Regulation – Features an internal regulator with a simple one-wire excitation connection. Refer to installation instructions for wiring details.
• Includes – Alternator unit, regulator excitation pigtail, and spacer for proper mounting of the factory cover bracket.
• Complete Kit – Integrates cleanly into the OEM belt drive system while maintaining long-term durability in street, off-road, and work-use environments.

This upgrade is ideal for Slingshot Street builds, Pro R performance applications, and Ranger work platforms requiring dependable electrical capacity beyond factory limitations.