{"product_id":"csf-high-performance-radiator-2016-2018-ford-focus-rs-mk3","title":"CSF High Performance Radiator 2016-2018 Ford Focus RS (MK3)","description":"\u003cp\u003eThe MK3 Focus RS was not the most popular tuner car when it was released. However, it built a cult following due to its good looks, AWD, and incredibly capable 2.3L EcoBoost engine. This was the first Focus RS model released in the USA and quickly became the new benchmark of performance in its category.\u003c\/p\u003e\n\u003cp\u003eThe Focus RS was very well engineered and performed admirably out of the box. However, a few upgrades can quickly lead to heat issues, especially on the track or in hot climates. An upgraded radiator from CSF is the perfect solution to keeping the coolant temps in check.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe CSF teamed up with industry EcoBoost experts to bring you the best radiator upgrade for the Focus RS. They needed a solution to the excessive coolant temperatures many of their customers were seeing. Especially those running their higher power racing engines. CSF engineered the radiator for the best possible performance and fitment. These popular systems are now available through CSF’s world wide Dealer and Distributor network.\u003c\/p\u003e\n\u003cp\u003eWhile the radiator was designed for super high performance race engines, anyone with a Focus RS can benefit from upgrading. Even modest power increases and hard driving can put a strain on the factory cooling system. The CSF Radiator is the ultimate cooling solution for any Focus RS owner.\u003c\/p\u003e\n\u003ch3 class=\"wp-block-heading has-text-align-center\" id=\"h-csf-vs-oem\"\u003eCSF vs OEM\u003c\/h3\u003e\n\u003cp\u003eThe original OE radiator from Ford is a plastic tank with a single row aluminum core design. While this is pretty standard and works fine for the average customer, it is not the best option for high horsepower builds or hard driving. Also, Turbo cars get hot, and the 2.3L EcoBoost is no exception. Anything you can do to help keep coolant temps in check will improve the longevity of your engine and help the car run smoothly.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe 42mm 2-Row aluminum core is a massive improvement over the factory core. A thicker core, second cooling row, and increased fluid capacity drastically improves the amount of heat the system can absorb and dissipate. CSF’s Exclusive B-Tube Technology increases the heat transfer by approximately 15% over regular oval welded tubes. In addition, the super-efficient multi-louvered fins maximize airflow through the core for the best possible cooling performance.\u003c\/p\u003e\n\u003cp\u003eThe TIG-Welded 100% All Aluminum construction increases the overall strength of the radiator. This improves durability and longevity so you can be confident the CSF radiator will keep your Focus RS cool for a long time.\u003c\/p\u003e\n\u003cfigure class=\"wp-block-table is-style-stripes\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eCSF\u003c\/th\u003e\n\u003cth\u003eOEM\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cem\u003e# Core Rows\u003c\/em\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2-Row\u003c\/td\u003e\n\u003ctd\u003e1-Row\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cem\u003e# Cooling Tubes\u003c\/em\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e53\u003c\/td\u003e\n\u003ctd\u003e65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cem\u003e# Cooling Fin Rows\u003c\/em\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e54\u003c\/td\u003e\n\u003ctd\u003e66\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cem\u003eCore Thickness\u003c\/em\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e42mm\u003c\/td\u003e\n\u003ctd\u003e36mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cem\u003eFin Height\u003c\/em\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.5mm\u003c\/td\u003e\n\u003ctd\u003e~5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cem\u003eCore Material\u003c\/em\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cem\u003eTank Material\u003c\/em\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003ctd\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cem\u003eConstruction\u003c\/em\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% TIG Welded\u003c\/td\u003e\n\u003ctd\u003eCrimp on Gasket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cbr\u003eOne of the biggest advantages of the CSF Radiator over the OE Unit is the Triple Pass design. The internal routing of the radiator forces the coolant to flow through the core three times (see diagram below), maximizing heat dissipation and resulting in lower coolant temperatures. This type of configuration ensures more even heat dissipation, reducing hotspots and promoting more consistent cooling.\u003cbr\u003e\n\u003cul class=\"wp-block-list\"\u003e\n\u003cli\u003e2-Row – 42mm Ultra-High-Performance Core\u003c\/li\u003e\n\u003cli\u003eTriple Pass Flow Configuration Allows Coolant to Flow Across the Core Three Times Before Exiting for Lowest Outlet Temperatures Possible\u003c\/li\u003e\n\u003cli\u003eCooling Tubes with CSF’s Exclusive B-Tube Technology\u003c\/li\u003e\n\u003cli\u003e6.5mm Tall Ultra Efficient Fins with a Multi-Louvered Design for Maximum Surface Area Contact\u003c\/li\u003e\n\u003cli\u003eCNC Machined Mounting Pins and Brackets\u003c\/li\u003e\n\u003cli\u003eOEM Style Inlet\/Outlet\u003c\/li\u003e\n\u003cli\u003e100% All Aluminum TIG-Welded Construction\u003c\/li\u003e\n\u003cli\u003eTrue Plug-and-Play “Drop-in Fit” Installation Requires Absolutely No Modifications\u003c\/li\u003e\n\u003cli\u003eIndividually Leak and Pressure Tested\u003c\/li\u003e\n\u003cli\u003e2-Year Limited Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"wp-block-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e\n\u003cul class=\"wp-block-list\"\u003e\n\u003cli\u003e2016-2018 Ford Focus RS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"wp-block-list\"\u003e\n\u003cli\u003eOEM Part Numbers:\n\u003cul class=\"wp-block-list\"\u003e\n\u003cli\u003eFord: G1FZ 8005 A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003c\/figure\u003e","brand":"CSF Radiators","offers":[{"title":"Default Title","offer_id":51404829196591,"sku":"7239","price":615.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1026\/8749\/files\/ScreenShot2025-06-07at3.06.20PM.png?v=1749334043","url":"https:\/\/www.darksidemotoring.com\/products\/csf-high-performance-radiator-2016-2018-ford-focus-rs-mk3","provider":"Darkside Motoring","version":"1.0","type":"link"}