DERALE Combination Cooler Gm Big Block 083277159039 Small/big V8FTS

( Brand: Derale ), ( Part Type: Cooler Block ), ( Manufacturer Part Number: 15903 ), ( UPC: 083277159039 )

Review DERALE Combination Cooler Gm Small/big Block

The Derale 15903 Combination Cooler is a high-performance cooling solution designed specifically for GM Small and Big Block V8 engines with FTS (Fuel Tank System) applications. This cooler is a must-have for enthusiasts seeking to enhance the cooling capability of their vehicles for improved engine performance and longevity.

This cooler is a combination of a transmission cooler and an oil cooler, making it a versatile and efficient cooling solution for your engine. The transmission cooling system keeps your automatic transmission running at optimal temperature, preventing damage from overheating. The oil cooling system, on the other hand, ensures that your engine oil remains cool, thus reducing the chance of oil thickening and causing wear to the engine components.

The Derale 15903 Combination Cooler is constructed using high-quality aluminum material, which provides excellent heat dissipation and durability. The cooler features a compact design, which makes it easy to install in tight spaces. It also comes with a high-flow, brass, press-fit inlet and outlet ports, ensuring a secure and leak-free connection.

The cooler's large cooling capacity is achieved through its generous fin density and surface area. The fin density is optimized to provide maximum cooling efficiency while minimizing pressure drop, ensuring that the coolant flowing through the cooler is efficiently cooled. The large surface area of the fins increases the heat transfer rate, allowing the cooler to dissipate more heat per unit time.

The Derale 15903 Combination Cooler is compatible with various GM Small and Big Block V8 engines, including those found in classic cars and high-performance vehicles. It is an excellent investment for those looking to upgrade their cooling system for better engine performance, fuel economy, and longevity.

In conclusion, the Derale 15903 Combination Cooler is a top-of-the-line cooling solution for GM Small and Big Block V8 engines with FTS applications. Its compact design, high-quality construction, and large cooling capacity make it an essential addition for any enthusiast seeking to improve their vehicle's performance and reliability.

The Derale 15903 Combination Cooler is a popular aftermarket cooling solution for GM small and big block V8 engines with FTS (Flexible Fuel System) capability. Here are some pros and cons that can help you make an informed decision about purchasing this cooler:

1. Designed specifically for GM small and big block V8 engines with FTS, ensuring a perfect fit and compatibility with the vehicle's cooling system.

2. Combines a radiator and a transmission cooler in one unit, reducing the need for separate coolers and saving space and installation time.

3. Made of high-quality materials, including aluminum tanks and brass or copper-brass core, ensuring durability and efficient heat transfer.

4. Equipped with a pressure cap and a temperature sender, allowing for easy monitoring of coolant temperature and pressure.

5. Available in various sizes to accommodate different engine applications and cooling requirements.

1. The price point is higher compared to some aftermarket cooling solutions, which may be a concern for budget-conscious consumers.

2. Installation may require some modification to the existing cooling system, such as cutting and welding the cooler tanks to fit the vehicle's frame or engine bay.

3. Some customers have reported issues with leaks or fitting issues, which may require additional time and effort to address.

The Derale 15903 Combination Cooler is a reliable and efficient cooling solution for GM small and big block V8 engines with FTS. Its combination of a radiator and a transmission cooler in one unit saves space and installation time, while its high-quality materials ensure durability and efficient heat transfer. However, the higher price point and potential installation challenges may be a concern for some consumers. Ultimately, the decision to purchase this cooler depends on your specific cooling requirements, budget, and installation capabilities.

If you are in the market for a high-quality cooling solution for your GM small or big block V8 engine with FTS, the Derale 15903 Combination Cooler is a strong contender. Its combination of performance, durability, and compatibility make it a worthwhile investment for those who prioritize efficient cooling and ease of installation. However, it is essential to carefully consider the potential installation challenges and the higher price point before making a purchase. If you are unsure about your installation capabilities or have a limited budget, you may want to explore other cooling solutions that may be more suitable for your needs.

part # 15903 prices

• $269.90-$459.90

specifications motochilled:

• brand: Derale
• part type: Cooler Block
• manufacturer part number: 15903
• upc: 083277159039

payments motochilled:

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

offer motochilled:

• started: January 26, 2026
• options: Ship-to-home
• quantity: 10
• availability: In Stock
• sold: 0

seller motochilled:

• # reviews: 614071
• rating: 99.1%

general motochilled:

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

returns motochilled:

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

shipping motochilled:

• transit: 10-16 Days
• type: Fixed
• service: Standard
• cost: $0.00
• class: Standard

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