Say Goodbye to Overheating with the CUSCO Oil Cooling Kit for Civic (FC1)

Original - Honda Magazine, Japanese Car Enthusiasts Magazine, November 9, 2020

Driving enthusiasts know that a car engine’s power originates from the combustion of fuel in the cylinders, creating energy that pushes pistons in motion and converts it into rotational force via the crankshaft, which then transfers torque to the transmission, propelling the vehicle forward. After ignition, the fuel mixture can reach temperatures of 600-800°C, and over 60% of this heat is dissipated through coolant in the water lines and oil in the oil lines. This makes oil cooling essential for maintaining engine health.


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The main purpose of oil in the engine is to lubricate and protect mechanical components, but oil performs best within a specific temperature range—typically between 82-93°C. Prolonged high temperatures can degrade oil, especially in European cars, where poor cooling often keeps engine oil above 100°C. Over time, this can lead to oil seal leaks, plastic component degradation, and other issues. Adding an oil cooler to a car is generally beneficial as it prevents oil breakdown due to high temperatures, which can otherwise reduce the protective oil film, impair lubrication, and lead to piston or cylinder wall wear. Installing an oil cooler helps control oil temperature, thus preserving oil performance and aiding in engine cooling.

Product Details of CUSCO’s Civic (FC1) Oil Cooling Kit

14-Row Cooler: Minimizes oil pressure loss.
Thermostat Integration: Comes with a labeled thermostat for clear installation, opening at 75°C to allow oil flow to the cooler.
High-Quality Steel Hoses: Includes a set of short hoses for oil pan to thermostat and a long set from thermostat to cooler.

Oil Sandwich Plate: Fits directly on the original oil filter, routing oil through hoses to the thermostat mounted on the transmission.
Secure Thermostat Bracket: Attaches using original transmission bolts.
Airflow Cooling: Guides heated oil to the front-mounted cooler to dissipate heat through airflow.
Air Ducting: Built-in deflector directs grille air through the cooling fins for effective cooling.

This CUSCO oil cooler kit for the Honda Civic (FC1) is specifically designed to fit the vehicle’s frame and equipment layout. It features a built-in thermostat that opens at 75°C, initiating the cooling cycle. Once oil temperature reaches 85°C, the thermostat fully opens, maximizing oil flow through the cooler. This maintains optimal oil temperature, preventing performance dips and ensuring reliable operation, particularly on challenging mountain roads—a must-have for regular high-performance drivers.