WRCRAD RX-7 Oil Cooler FC3S 13B

( Brand: Wrcrad ), ( Model Sku: 1262y ), ( Items Included: Oil Cooler ), ( Manufacturer Part Number: MAZDA RX-7 OIL COOLER ), ( Material: Aluminum ), ( Item Length: 20.47 In ), ( California Prop 65 Warning: Please Feel Free To Contact Us By Message If You Have Any Questions, Our Customer Service Will Reply Within One Business Day. ), ( Type: Oil Cooler Line Kit ), ( Ipn: 1986-1992 Rx-7 ), ( Manufacturer Warranty: 1 Year ), ( Item Height: 6.69 In ), ( Features: 100 Leak Tested, Durability Tested ), ( Finish: Polished Chrome ), ( Country Of Origin: China ), ( Item Width: 2.36 In )

Review WRCRAD Aluminum Oil Cooler Mazda Rx7 13b fits S4 S5 1986–1992

Introducing the WRC RAD Oil Cooler, specifically designed for Mazda RX7 models from 1986 to 1992, including the FC3S S4, S5, and 13B variants. This high-performance oil cooler is an essential upgrade for those seeking to maximize the potential of their RX7 engine.

The WRC RAD Oil Cooler boasts a robust construction, featuring a durable aluminum core with a high-density fin design. The fin density is optimized to ensure efficient cooling, allowing the engine to maintain optimal operating temperatures, even during high-performance driving.

This oil cooler is designed to be a direct replacement for the OEM unit, making installation a straightforward process. It utilizes the same mounting points and hose connections as the factory oil cooler, ensuring a hassle-free installation experience.

The WRC RAD Oil Cooler comes with all necessary hardware for installation, including new oil cooler hoses. These hoses are made from high-quality, reinforced rubber to ensure durability and resistance to leaks.

The cooler's design also incorporates an external oil filter relocation kit. This kit allows for the installation of an external oil filter, which can provide improved oil filtration and longer engine life. The oil filter relocation kit is included in the package, making this an all-in-one solution for enhancing your RX7's cooling and filtration systems.

Furthermore, the WRC RAD Oil Cooler is engineered to provide excellent thermal performance. It offers a significant increase in cooling capacity compared to the OEM unit, ensuring that your RX7 engine stays cool under the most demanding driving conditions. This cooling improvement translates to better engine reliability, longer engine life, and improved overall performance.

In summary, the WRC RAD Oil Cooler is a must-have upgrade for Mazda RX7 owners seeking to enhance their engine's cooling and filtration capabilities. It is a direct replacement for the factory oil cooler, featuring a robust aluminum core, high-density fin design, and external oil filter relocation kit. With its efficient cooling capacity and ease of installation, this oil cooler is an excellent investment for any RX7 enthusiast.

The Mazda RX-7 models from 1986 to 1992, specifically the FC3S, S4, S5, and 13B variants, came with rotary engines that generate a significant amount of heat. Installing an oil cooler is an effective method to help maintain optimal engine temperatures, ensuring better performance and longevity. A WRC RX-7 oil cooler can be a viable option for these vehicles. Here's a discussion of the pros and cons of purchasing and installing such a cooler.

1. Improved engine cooling: The WRC RX-7 oil cooler is designed to effectively dissipate heat from the engine oil, which can help maintain the engine's temperature in extreme driving conditions or during hard use.

2. Enhanced engine protection: By keeping the engine oil at optimal temperatures, the oil cooler can help protect vital engine components from premature wear and damage.

3. Better performance: Properly cooling the engine oil can lead to improved power delivery and overall performance by allowing the engine to run more efficiently.

4. Increased durability: A well-cooled engine can last longer, reducing the need for costly repairs or replacements.

1. Installation complexity: Installing an oil cooler on a Mazda RX-7 can be a time-consuming and intricate process, requiring the disassembly of various engine components and the fabrication of custom brackets or adapters.

2. Cost: The cost of purchasing and installing an oil cooler and any necessary adapters or brackets can add up, especially for those who choose to have the work done by a professional.

3. Additional maintenance: An oil cooler adds another component to the cooling system, requiring regular inspections and maintenance to ensure proper function and avoid potential leaks or coolant contamination.

In conclusion, a WRC RX-7 oil cooler can provide numerous benefits for Mazda RX-7 owners, including improved engine cooling, enhanced engine protection, better performance, and increased durability. However, the installation process can be complex and costly, with the added requirement of ongoing maintenance. Ultimately, the decision to install an oil cooler on a Mazda RX-7 should be based on individual driving habits, budget, and desired performance improvements.

For Mazda RX-7 owners who frequently drive their cars at high speeds or in extreme temperatures or those who desire maximum performance, the benefits of installing a WRC RX-7 oil cooler may outweigh the costs and complexities. It is recommended that they carefully consider their options, research the installation process, and consult with professionals to ensure a successful and effective installation. For less frequent or casual drivers, the costs and complexities may not be justified.

part # rx7 prices

• $65.88-$110.55

specifications motochilled:

• for models: S4, S5
• for makes: Mazda
• for years: 1986-1992
• brand: Wrcrad
• model sku: 1262y
• items included: Oil Cooler
• manufacturer part number: MAZDA RX-7 OIL COOLER
• material: Aluminum
• item length: 20.47 In
• california prop 65 warning: Please Feel Free To Contact Us By Message If You Have Any Questions, Our Customer Service Will Reply Within One Business Day.
• type: Oil Cooler Line Kit
• interchange part number: 1986-1992 RX-7
• manufacturer warranty: 1 Year
• item height: 6.69 In
• features: 100 Leak Tested, Durability Tested
• finish: Polished Chrome
• country of origin: China
• item width: 2.36 In

returns motochilled:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

payments motochilled:

• credit card: Discover
• wallet: Google-pay
• other

offer motochilled:

• sold: 0
• quantity: 5
• options: Ship-to-home
• availability: In Stock
• started: January 4, 2026
• best offers: True

shipping motochilled:

• service: Economy, Standard
• cost: $0.00
• class: Economy, Standard
• type: Fixed
• transit: 5-9 Days

seller motochilled:

• rating: 98.9%
• # reviews: 353

general motochilled:

• Car Truck Parts Accessories > Engine Cooling Components > Engine Oil Coolers Lines
• condition: New

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