25 Row Core 7in. Tall -6an Inlets Trans/Oil Co

The DERALE 25 Row Core 7in. Tall -6AN Inlets Transmission/Oil Cooler (model 52506) is a plate-type fluid cooler engineered for high-performance engine cooling in racing, off-road, and heavy-duty applications where standard factory cooling systems fall short. This aluminum transmission and oil cooler features a compact 7-inch tall core with 25 rows of cooling surface, delivering efficient heat dissipation in tight engine bays where vertical space is constrained.

The cooler accepts 10 AN female O-ring inlets and outlets for the main fluid lines, with included 6 AN male adapters for flexible hose connections. Its aluminum construction with black powder-coat finish resists corrosion from engine heat cycling and harsh environmental exposure, while the plate-type design maximizes surface area per cubic inch compared to tube-and-fin alternatives. At 4.46 lbs and 13.05 x 18.85 x 2.3 inches, it fits universally in custom installations, frame rails, bumper mounts, or custom-fabricated shrouds without requiring OEM-specific brackets.

This cooler suits drag racing, road racing, truck towing, street rod builds, and off-road racing applications where transmission temperatures exceed 180°F or engine oil regularly climbs above 220°F under sustained load. It's particularly valuable in turbocharged or supercharged engine builds where intercooling demands are high and factory cooling pathways are inadequate. The -6AN port sizing matches common aftermarket remote-mount setups and custom cooling harnesses.

DERALE is recognized in the performance cooling market for plate coolers that prioritize compact dimensions and thermal efficiency. This 25-row core represents mid-range cooling capacity—more effective than 20-row designs but narrower than 30+ row units, balancing pressure drop against available mounting space in most custom engine bays.