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Description

HKS Black S-Type Oil Cooler Kit for FL5 Honda Civic Type R

The HKS Black S-Type Oil Cooler Kit for the FL5 Honda Civic Type R is engineered for sustained high-load driving, with development focused on maintaining stable oil temperatures during demanding use such as +R Mode operation. Designed as a complete thermal-management solution optimized for the FL5 platform, the system uses an air duct layout that preserves the original front-end styling while directing a strong supply of fresh air straight into the oil cooler core for maximum cooling efficiency. Just as important, the ducting and airflow path are shaped to promote smooth evacuation after air passes through the core, helping optimize airflow throughout the entire system for consistent performance over longer sessions. A core protector is included to help shield the cooler from road debris, rounding out a purpose-built kit aimed at maximum thermal management performance.

Development Concept

Compared to the FK8, the Civic Type R FL5 delivered notable gains in handling, power output, and aerodynamics, but HKS testing and durability evaluation identified a clear limitation; oil temperatures can climb quickly under sustained high-load driving. To counter this, HKS adapted the proven FK8 cooling layout by using the left front fender mounting location while redesigning the system to better suit the FL5 platform. With coolant temperature and A/C performance in mind, the oil cooler core placement was optimized to maximize thermal efficiency. Wind tunnel development also showed that the factory front bumper airflow alone is not sufficient for consistent cooling, which led HKS to create a larger air duct and dedicated air guide to feed a stronger supply of fresh air directly into the oil cooler core and unlock more of the system’s potential. Evacuation of heated air was refined as well, with repeated aerodynamic testing used to achieve smooth discharge after airflow passes through the core and to balance airflow across the full system. An outlet plate is included to help protect the core from rock damage, and the result is a meaningful reduction in oil temperature rise during demanding use such as circuit driving to support stable peak performance over longer sessions. For the front bumper, HKS offers two duct options; an unpainted injection-molded duct supplied with the kit for high accuracy and cost-effective mass production, or an optional pre-preg carbon fiber duct that is lightweight, highly rigid, and finished in dry carbon, with each piece handcrafted and delivered clear coated with metal mesh installed.

Features

Full oil cooler kit
Black finish
Addresses rapid oil temperature rise under sustained high-load driving
Left front fender mounting layout
Positioned for maximum thermal efficiency
Consistent cooling performance
Large front air duct and dedicated air guide
Optimized intake and evacuation airflow
Protector plate included
Optional pre-preg dry carbon duct available separately
Developed specifically for the FL5 Civic Type R based on extensive road testing and durability evaluation

Specifications

Core Type: S-Type
Core Size / Row: 200mm x 122.5mm x 48mm / 9 rows
Core Installation Location: Left front fender well area
Hose Size: #10
Air Guide: Resin-molded duct

What’s Included

Oil cooler core
Air duct
Air intake duct
Core protector
Mounting brackets
#10 oil hoses
Thermostat housing
Oil filter
Fittings and hardware

Applications

Honda Civic Type R: FL5 | 2023-present | K20C1 2.0L I4 turbo

Notes

Optional pre-preg dry carbon duct is available separately
Modification to the bumper and splash shield is required for installing the ducts
Includes resin-molded air ducts
Estimated installation time is 6 hours

About HKS

HKS is a Japanese performance engineering brand founded in 1973 and headquartered in Fujinomiya, Shizuoka, with a long-standing reputation for developing high-quality aftermarket parts and motorsport-proven technology for enthusiast and professional applications. Known for innovations in turbocharging and engine performance, HKS produces a broad range of components including exhaust systems, turbo kits, electronics / engine management, and suspension solutions, with product development heavily influenced by decades of involvement in racing disciplines such as circuit time attack, drag, and drifting.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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HKS Black S-Type Oil Cooler Kit for FL5 Honda Civic Type R [15004-AH105]

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HKS Black S-Type Oil Cooler Kit for FL5 Honda Civic Type R

Development Concept

Features

Specifications

What’s Included

Applications

Notes

About HKS

Reviews