SPORT-PARTS INC. THUMB WARMER W/LIGHTED HI/LOW/OFF SWITCH

SPORT-PARTS INC. Thumb Warmer with Lighted Hi/Low/Off Switch

Ride longer and more comfortably in harsh winter conditions with the SPORT-PARTS INC. Thumb Warmer. Designed to fit all OEM-style throttle levers, this compact heater mounts to the backside of the lever and warms through the metal for fast, consistent heat where you need it most.

• Universal fit: Installs on all OEM-style levers with minimal tools.
• Lighted 3-position switch: Easily select High, Low, or Off and confirm settings at a glance.
• Efficient heating: Keeps your thumb warm in extreme cold for improved throttle control.
• Low power draw: Optimized for sled electrical systems to preserve battery and charging capacity.
• Durable, weather-ready design: Built to perform in snow, ice, and vibration.

Whether you’re trail riding, backcountry exploring, or working in sub-zero temps, this thumb warmer delivers reliable comfort and control. Upgrade your snowmobile with a proven, easy-to-install solution from SPORT-PARTS INC.