Compact High-Flow Transmission & Engine Oil Cooler Thermostat (FSC-215)
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*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
SKU: FSC-215
Improved Racing's Flow Series Compact (FSC) oil thermostat is an ultra-compact unit designed for use in cooling systems for transmissions, differentials, transaxles and small engines where flow rates do not exceed 5 GPM. This thermostat is perfect for engine oil cooling in motorcycles, ATVs, go karts, and other small engines.
The device's unique, patented internal design (US patent 9,772,632) ensures a low pressure drop by placing the bypass valve mechanism completely out of the primary oil flow. This arrangement also allows for a compact design.
Without a thermostat, oil and transmission fluid coolers are likely to over-cool the fluid, delaying engine warm-up and resulting in horsepower loss, excessive engine wear and reduced gas mileage. Oil thermostats perform the critical function of bypassing the cooler until the oil has reached its minimum operating temperature.
The thermostat maintains the oil exiting the engine at the rated minimum temperature in most conditions. It features female -6AN O-ring boss threads and is available with optional hose barb and male AN adapter fittings. The included brackets allow for multiple mounting options.
Operation
Features and Benefits
- Reduces excessive engine wear and horsepower losses while improving gas mileage by preventing oil temperatures from dropping below optimal levels
- Patented, high flow, low pressure drop design locates the valve assembly completely out of the primary fluid flow
- Maintains a minimum fluid temperature according to the typical stabilization temp in the table below, +/- 2°F (+/- 1°C)
- Allows a small percentage (less than 10%) of fluid to continually circulate through the cooler to eliminate air pockets and prevent cold fluid trapped in the cooler from shocking the system
- Rebuildable
- 6061-T6 billet aluminum construction with black MIL-A-8625 Type II anodized finish
- Lightweight at just 7.5 ounces (212g) without brackets or fittings
Temperature Rating Specifications
Part Number | Typ. Stabilization Temp | Activation Temp | Full Flow Temp |
---|---|---|---|
FSC-145 | 145ºF (63ºC) | 140ºF (60ºC) | 163ºF (73ºC) |
FSC-165 | 165ºF (74ºC) | 160ºF (71ºC) | 181ºF (83ºC) |
FSC-185 | 185ºF (85ºC) | 180ºF (82ºC) | 203ºF (95ºC) |
FSM-205 | 205ºF (96ºC) | 200ºF (93ºC) | 221ºF (105ºC) |
FSC-215 | 215ºF (102ºC) | 212ºF (100ºC) | 233ºF (112ºC) |
Valve assembly is completely housed between the two ports.
No valves, springs, or thermal motor interrupting the primary oil flow!
Ultra-compact dimensions (shown in inches)
Brackets allow for multiple mounting configurations
Available with optional hose barb and male AN adapter fittings
Applications
- Fluid cooling systems flowing up to a maximum of 5 GPM (18.93 LPM).
- Fluid cooling systems for automotive and small vehicle transmissions, transaxles, transfer cases and differentials.
- Oil cooling systems for small engines such as motorcycles, ATVs, go karts, snowmobiles, and small marine engines.
- Not for use with corrosive fluids. If used with water, a distilled water solution with a lubricant such as ethylene glycol must be used.
Includes
- 1x Compact remote thermostat block
- 2x Zinc-plated steel mounting brackets and screws
- Performs the critical function of bypassing the cooler until the oil has reached its minimum operating temperature
- Designed for controlling fluid temperatures in transmissions, transaxles, transfer cases and differentials
- May be used for for controlling engine oil temperature in motorcycles, ATVs, go karts, and other small engines
- Unique, patented internal design ensures a low pressure drop
- Standard female -6AN O-ring boss threads
- Lifetime Warranty. Made in the USA.
Drop Ship Item | No
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Special Order Item | No
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Manufacturer | Improved Racing
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Part Weight | 1.00 lb (0.45 kg)
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Primary Material | 6061-T6 aluminum
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Finish | Type II Anodized
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Color | Black
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Minimum Operating Temperature | -40°F (-40°C)
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Maximum Operating Temperature | 302°F (150°C)
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Inlet Port Size | -6AN O-Ring Boss Female
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Outlet Port Size | -6AN O-Ring Boss Female
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Maximum Operating Pressure | 300 psi (20.68 bar)
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Max Recommended Flow Rate | Up to 5 GPM (19 LPM)
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Fluid Compatibility | Coolants
Engine oil Power Steering Fluid Transmission fluid Water |
Our History
For 23 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.