CSF Engine Oil Cooler Kit for Honda Civic Type R FL5 2.0L (2023-2026) High-Performance Dual Pass 8343

Fitment Information

• Honda Civic Type R FL5 Turbocharged 2.0L L4 (2023, 2024, 2025, 2026)

Specs & Features

• Two CSF #8119 High-Performance Dual Pass Oil Coolers
• Bar/Plate Core offers strength and durability
• 100% TIG Welded Construction tested to 120 PSI
• Smooth 40-degree feed/return fitting design
• Dual Pass flow for additional cooling
• Oil Capacity increased by over 2 Quarts (2 Liters)
• Motorsports-grade AN lines with patented quick-release fittings by DYME PSI
• 304 Stainless Steel reinforcing braid and Polyethylene top braid
• CNC Billet-Machined Sandwich Plate with 175-195°F (80-90°C) Thermostat and 1/8 NPT port aftermarket oil temperature sensor
• Pre-Preg Carbon Fiber Bumper Vents for maximum airflow and cooling effect
• Laser-cut louvered fender liner vents to improve the air flow path and promote heat extraction
• Replacement Washer Fluid Bottle compatible with factory washer motor
• Includes all Brackets and Hardware
• Includes installation instructions and templates
• 2-Year Limited Warranty
  

Product Description

Drivers regularly see high oil temperatures on completely stock examples and even higher on modified ones. In testing, CSF observed temperatures over 275°F (135°C) on the track, and it was clear the FL5 needed a solution. The engineering team set out to develop CSF's first ever complete engine oil cooler kit, and the results speak for themselves. CSF's new engine oil cooler kit is the "Real Deal" with stunning performance and an aggressive look to match.

CSF spent over a year in testing and development of this kit working with R&D Partners and multiple drivers competing in Global Time Attack (GTA) and GridLife. Initial testing was performed in the controlled environment of a dyno. CSF then moved into aggressive real world testing and development on the track where most customers would be using these kits.

Tested and used by Honda Racing Corporation USA (HRC) on their Honda Civic Type R Rally XP car.

Design & Engineering

The initial challenge when designing this engine oil cooler kit was two fold. Firstly, the K20C1 did not come with any type of external engine oil cooler provision. The second challenge was space in which to mount an external engine oil cooler(s). The front bumper opening already has the Intercooler, A/C Condenser, and Radiator stacked there and using most of the available air.

While mounting an additional cooler behind the grill is the simple option, that just adds more heat to the full system and takes away from the cooling capacity of the radiator. On top of that, most owners who track their cars will have an upgraded/larger intercooler which further compounds the issue. That means the sides of the bumper are the obvious and optimal placement. However, the FL5 does not have great airflow in that area. To improve airflow, CSF needed to design a ducting/inlet system that would allow proper airflow for optimal performance.

With proper airflow handled, CSF built the kit around our compact universal oil coolers (CSF #8119), using two of them to offer the greatest cooling capacity possible. Paired with Superstrasse CPE lined stainless steel braided lines and DYME Pro/Spec Quick Release Fittings, this kit is the most serviceable kit on the market.

Oil Coolers

The CSF kit is built around two 13" x 4.5" (33cm x 11.5cm) Dual-Pass Oil Coolers (CSF #8119) run in series. These High-Performance Coolers offer maximum heat dissipation with uncompromising durability. The Bar/Plate cores feature CSF's "Aero-Flow" Bar Design which reduces weight while offering impressive strength and flow. The rugged design of these cores means you won't need to worry about debris from the track puncturing the coolers like with tube and fin cores.

The 100% TIG welded construction with cast end tanks further increases the overall strength of the coolers. Every cooler is pressure tested to 120 PSI before leaving the factory so you can be confident you will never have one burst on you like some weaker designs used in other kits. The end tanks also feature specially designed 40-degree angle feed/return fittings for optimal flow and lower pressure drop.