Oil Cooler 400 Series -12an

The Oil Cooler 400 Series -12AN by FLUIDYNE PERFORMANCE is engineered for serious engine builders and performance enthusiasts who demand reliable thermal management under sustained high-output conditions. Whether you're pushing aggressive boost levels, running extended track sessions, or operating in high ambient temperatures, oil temperature control is critical to engine longevity and consistent power delivery. This aluminum-core cooler drops oil temperatures by 20–40°F depending on ambient conditions and cooling airflow, protecting bearing clearances and maintaining viscosity stability when factory cooling falls short.

The 400 Series features a compact stacked-plate design with -12AN SAE ports, allowing flexible integration into tight engine bays without sacrificing heat transfer efficiency. Measuring 17.25 x 4.5 x 17.25 inches and weighing 7.74 lbs, the cooler balances effective surface area against packaging constraints common in modern performance builds. The aluminum construction resists corrosion while providing superior thermal conductivity, and the SAE -12AN fitting standard ensures compatibility with high-quality braided hose and professional-grade quick-disconnect adapters. This design minimizes pressure drop compared to oversized coolers, reducing parasitic drag on the oil pump and maintaining consistent bypass valve operation.

Mechanics and tuners favor the Oil Cooler 400 Series for turbocharged, supercharged, and naturally aspirated builds where extended load cycles or elevated ambient conditions threaten stock thermal margins. Installation requires routing supply and return lines from the filter sandwich adapter or block-mounted remote filter head, with plumbing best mounted ahead of the radiator or integrated into a front-end air dam for maximum cooling airflow. Proper thermostatic valve sizing and line routing prevent cold-start oil starvation and ensure the cooler remains fully functional across idle-to-redline RPM ranges. This cooler suits drag, road race, autocross, and street-driven performance vehicles where reliability under boost or continuous high-load operation is non-negotiable.