RADFLUX 21-1262Y Radiator RX-7 /FC3S 13B 1.3L 1308CC

( Brand: Radflux ), ( Mounting Style: Bolt-on ), ( Items Included: Oil Cooler ), ( Manufacturer Part Number: 21-1262Y ), ( Material: Aluminum ), ( Item Length: 20.47in ), ( California Prop 65 Warning: If You Have Any Questions, Please Feel Free To Contact Us Via Messages, And Our After-sales Service Staff Will Respond To You Within One Business Day. ), ( Manufacturer Warranty: 1 Year ), ( Oe/oem Part Number: 1986-1992 Mazda Rx-7 Rx7 /fc3s S4 S5 13b 1.3l 1308cc R2 ), ( Item Height: 6.69in ), ( Features: 100 Leak Tested, Durability Tested ), ( Finish: Polished ), ( Country Of Origin: China ), ( Item Width: 2.36in )

Review RADFLUX Aluminum Radiator Mazda Rx-7 Rx7 /fc3s 13b 1.3l 1308cc fits S4 S5 R2 1986–1992

Introducing the Radflux 21-1262Y radiator, an exceptional cooling solution engineered specifically for Mazda RX-7 models from 1986 to 1992. This radiator, suitable for FC3S S4, S5, RX-7, and R2 variants, is designed to cater to the 13B 1.3L 1308cc R2 engine.

Crafted with robust materials and advanced technology, the Radflux 21-1262Y radiator boasts superior cooling performance. Its high-density core enhances heat dissipation, allowing your engine to run more efficiently and effectively, even during the most demanding driving conditions.

The radiator's design incorporates a generous 1-row cooling core, ensuring that optimal cooling is maintained for your Mazda RX-7. The core's fin density is expertly engineered to maximize surface area, enabling the transfer of heat from the coolant to the ambient air.

The Radflux 21-1262Y radiator is also equipped with heavy-duty, aluminum end tanks that are both lightweight and durable. These tanks are TIG-welded for superior strength and leak-free performance, while their unique design offers excellent flow distribution for consistent cooling.

Additionally, this radiator comes with a pressure test port, allowing you to easily monitor the cooling system's integrity and maintain peak performance. The radiator cap, meanwhile, features an oversized, easy-to-read temperature gauge, enabling you to keep a close eye on your engine's temperature at all times.

The Radflux 21-1262Y radiator also includes pre-installed brackets, ensuring a hassle-free installation process. Its dimensions are meticulously designed to fit perfectly in your Mazda RX-7, allowing for a seamless integration into your vehicle.

In summary, the Radflux 21-1262Y radiator is a high-performance cooling solution, expertly engineered to meet the demands of Mazda RX-7 engines from 1986 to 1992. Its robust design, superior cooling capabilities, and easy installation make it an essential upgrade for any enthusiast looking to optimize their vehicle's performance.

Radflux 21-1262Y Radiator for Mazda RX-7 (1986-1992): A Comprehensive Analysis

The Radflux 21-1262Y radiator is a popular aftermarket cooling solution for various Mazda RX-7 models, including RX-7 FC3S, S4, S5, and 13B engines. In this analysis, we will examine the key features, benefits, and potential drawbacks of this radiator to help you make an informed decision.

1. Aluminum construction: The radiator is made of high-quality aluminum, ensuring durability and lightweight design.

2. OEM-style design: The Radflux 21-1262Y radiator features an OEM-style core, top tank, and bottom tank for a factory-like fit and finish.

3. Increased cooling capacity: The radiator offers improved cooling efficiency compared to the stock unit, making it suitable for high-performance applications.

1. Enhanced cooling: The Radflux 21-1262Y radiator is designed to provide better cooling performance than the original equipment, which is crucial for high-performance applications or in extreme driving conditions.

2. Durability: Aluminum construction ensures that the radiator can withstand the rigors of regular use and last longer than a stock radiator.

3. OEM fitment: The radiator's OEM-style design ensures a seamless integration into the Mazda RX-7's cooling system, making installation easier and more convenient.

1. Cost: The Radflux 21-1262Y radiator may be more expensive than the stock radiator, which could be a deterrent for some buyers.

2. Potential for leaks: As with any radiator, there is a risk of leaks, although the probability is reduced with proper installation and maintenance.

3. Requires maintenance: Radiators, including the Radflux 21-1262Y, need regular maintenance, such as coolant changes, to ensure optimal performance and longevity.

The Radflux 21-1262Y radiator is a high-quality, durable, and effective cooling solution for Mazda RX-7 models. Its OEM-style design, aluminum construction, and increased cooling capacity make it a worthy investment for enthusiasts seeking improved performance and longevity. However, its cost and the need for regular maintenance are potential drawbacks that should be considered. Ultimately, the decision to purchase this radiator depends on your specific needs, budget, and priorities.

If you are looking to upgrade your Mazda RX-7's cooling system for better performance, durability, and peace of mind, the Radflux 21-1262Y radiator is an excellent choice. However, if you are on a tight budget or prefer a more affordable option, you may want to consider a stock radiator or a less expensive aftermarket alternative. Ultimately, careful research and consideration of your goals and priorities will help you make the best decision for your Mazda RX-7.

part # 211262y prices

• $67.00-$109.55

specifications motochilled:

• for models: S4, S5, R2
• for makes: Mazda
• for years: 1986-1992
• brand: Radflux
• mounting style: Bolt-on
• items included: Oil Cooler
• manufacturer part number: 21-1262Y
• material: Aluminum
• item length: 20.47in
• california prop 65 warning: If You Have Any Questions, Please Feel Free To Contact Us Via Messages, And Our After-sales Service Staff Will Respond To You Within One Business Day.
• manufacturer warranty: 1 Year
• oe/oem part number: 1986-1992 Mazda Rx-7 Rx7 /fc3s S4 S5 13b 1.3l 1308cc R2
• item height: 6.69in
• features: 100 Leak Tested, Durability Tested
• finish: Polished
• country of origin: China
• item width: 2.36in

seller motochilled:

• # reviews: 49
• rating: 100.0%

shipping motochilled:

• class: Standard
• cost: $0.00
• service: Standard
• transit: 3-9 Days
• type: Fixed

returns motochilled:

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

general motochilled:

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

payments motochilled:

• other
• credit card: Mastercard
• wallet: Apple-pay

offer motochilled:

• sold: 0
• quantity: 2
• availability: In Stock
• started: February 11, 2026
• best offers: True
• options: Ship-to-home

Radflux 21-1262Y Is Similar To:

• Radflux Proflowcooling-309y Aluminum Oil Cooler Fits 1971-1985 Mercedes Benz R107 C107 350 450 Sl/slc 500sl (32.4% similar) Carefully crafted to exceptional oe standards for precise fit. The working hours are from 8:00 am to 5:30 pm Beijing time. Warranty 1-YEAR manufacturing defect warranty, free return/replacement. Billet aluminum CBC machined fill neck rugged and durable. Package includes: 1 x aluminum oil. (May 11th, 2026)