Ultracool M8 Side Mount Oil Cooler - Gloss Black Harley Milwaukee-Eight Touring
About Ultracool
Ultracool parts and accessories are stocked at Vtwinbikers for Harley-Davidson and Indian Motorcycle applications. Every Ultracool item we list is new and sourced through authorized distribution. If you are not certain a part matches your year and model, use Shop by Bike or email our team before you order and we will confirm fitment first.
The Ultracool M8 Side Mount Oil Cooler in gloss black is engineered to work seamlessly with your stock cooling system, ensuring optimal Milwaukee-Eight engine temperatures. This side-mount unit features dual thermostatically controlled fans that activate at 210°F, effectively preventing the overheating common to stock setups during traffic and city riding. Keep your M8 running in its sweet spot, between 200–230°F.
Why riders pick this
- Optimizes Milwaukee-Eight engine temperatures
- Works with stock cooler to prevent overheating
- Thermostat-controlled dual fans deliver 220 CFM airflow
- Side-mount design with gloss black grill cover
- Plug-and-play wiring and braided oil lines
- Designed for Harley Milwaukee-Eight Touring models
Riders know that maintaining stable engine temperatures is paramount for the health and performance of a Milwaukee-Eight. The Ultracool M8 Side Mount Oil Cooler provides a critical assist, introducing an active cooling circuit that complements your factory system. Its sealed, waterproof fans are ready to kick in when the heat rises, providing a powerful 220 CFM of airflow to pull excess heat away from your engine oil.
Reliable Temperature Management
- Dual-pass aluminum heat exchanger with turbulators for efficient heat transfer
- Thermostat-controlled dual fans activate at 210°F and shut off at 185°F
- Sealed IP68 waterproof fans with an LED indicator light for operation status
- Plug-and-play wiring harness with relay and waterproof connectors for easy setup
- Black nylon-coated stainless steel braided oil lines with AN6 fittings for durability
- Gloss black powder-coated grill cover for a stealthy, integrated look
Integrated and Effective Cooling
This Ultracool M8 Side Mount Oil Cooler is designed for Harley-Davidson Milwaukee-Eight Touring models equipped with full-size engine guards. Its side-mount installation positions the cooler discreetly on the down tube, just below the engine guard's top bar. The gloss black finish provides a clean, custom look that integrates well with most factory or custom setups, making it a performance upgrade that looks as good as it works.
Specifications
- Brand: Ultracool
- Manufacturer Part #: SMT8-1G
- Length: 11 in
- Width: 9 in
- Height: 6 in
- Weight: 8 lbs
Common questions
Will this oil cooler fit my specific Harley-Davidson Touring model?
This Ultracool M8 Side Mount Oil Cooler is compatible with 2017-2023 Harley-Davidson Milwaukee-Eight Touring models that are equipped with full-size engine guards. It will not fit models with lower fairings. Please verify fitment using our Shop by Bike tool.
Does this cooler replace my bike's original oil cooler?
No, the Ultracool M8 Side Mount Oil Cooler is an auxiliary cooling system. It works in conjunction with your factory oil cooler to provide enhanced heat dissipation, particularly in high-temperature or heavy traffic conditions, ensuring your engine runs cooler.
How does the cooling system activate?
This Ultracool M8 Side Mount Oil Cooler features thermostat-controlled dual fans that automatically activate when your engine oil reaches 210°F. They will continue to run until the oil temperature drops to 185°F, maintaining optimal operating temperatures.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Ultracool |
| TYPE | Engine |
| SKU | 56-7213 |
| WEIGHT | 8.0 lb |
