3.0 UltraCool Oil Cooler for M8 Softail – Maximum Cooling Performance
Overview: The UltraCool 3.0 Oil Cooler provides 60 degrees of additional oil cooling when paired with a FLO Oil Filter, offering your M8 Softail engine the performance of a FULLY liquid-cooled system. It works with the stock oil cooler, helping prevent overheating in traffic and during city rides.
Key Features:
Fits M8 Softail Frames (2018-2025): Specifically designed for Softail Milwaukee 8 frames from 2018 to 2025.
Side Mount on Down Tube: Mounts cleanly on the down tube for easy installation.
Choice of Grill Covers: Select from a Chrome or Powder-Coated Black Grill Cover to hide and protect the heat exchanger and fans. For a “Performance” look, the “Naked” version is available without any cover or grill.
Advanced Thermal Control: The 3.0 Oil Adapter and Thermal Switch feature waterproof connectors that automatically turn on the dual fans when the oil reaches 210°F. They continue running until the oil is cooled to 185°F, ensuring your oil stays within the optimal temperature range of 200°F-230°F.
Efficient Heat Dissipation: The specially designed aluminum heat exchanger, equipped with turbulators, maximizes heat dissipation to keep your engine cooler.
Powerful Dual Fans:IP68 Sealed Waterproof Dual Fans generate an impressive 220 CFM of airflow, effectively cooling the oil even under the toughest conditions.
Plug-and-Play Installation: Includes a plug-and-play wiring harness with a relay and waterproof connectors that connects easily to the battery under the seat for straightforward installation.
Durable Oil Lines: Comes with black nylon-coated stainless steel braided oil lines with AN6 fittings for long-lasting performance.
LED Indicator Light: The LED light shows when the fans are operating, so you always know the system’s status.
LED Mount Included: The kit includes a mount for the LED indicator light, simplifying installation.
Tools Included: The kit includes a specially designed oil line fitting wrench and detailed instructions for easy installation.
Fitment Recommendations:
Covered Versions:Does not fit Softail ST models (must use the Naked version for Softail ST).
For Bikes with Aftermarket Single Crash Bars or Engine Guards: Use #SMS8-7N, which sits slightly higher on the frame and mounts above the crash bar.
For Bikes without Crash Bars or with HD Traditional Hoop or “Mustache” Engine Guards: Use #SMT8-3 for proper fitment.
Additional Recommendations:
Electrical Connectors: You may need #SMB-Y128 for specific installations.
