SKU: DER13303
UPC: 083277133039
MPN: 13303
The 18k HD Transmission Cooler by Derale is purpose-built for operators running high-performance vehicles in demanding tactical and military applications. Whether you're deploying in extreme environments or maintaining fleet vehicles under sustained operational stress, transmission fluid temperature management is non-negotiable—excess heat degrades hydraulic integrity, reduces shift responsiveness, and accelerates component wear. This cooler addresses that mission-critical need by dissipating heat efficiently, keeping transmission temperatures within safe operating ranges during extended patrols, convoy operations, or high-demand training scenarios.
The 18k HD Transmission Cooler features heavy-duty aluminum construction rated for 18,000 BTU cooling capacity—a spec-driven rating that reflects real-world thermal load handling under sustained vehicle operation. The core design prioritizes durability and reliability: aluminum's superior heat dissipation properties combined with robust fin geometry maximize surface area for airflow interaction, while the HD (heavy-duty) designation indicates reinforced construction tolerant of vibration, pressure spikes, and the corrosive environments characteristic of tactical deployments. Installation is straightforward, integrating into standard transmission fluid circuits without requiring modification to vehicle architecture.
Law enforcement motor pool operators, military mechanics, and fleet maintenance teams benefit most from this cooler's proven thermal regulation—especially those running extended-hour operations in high-ambient climates or towing applications. The compact footprint (12.45 x 3.05 x 18.4 inches) and lightweight design (3.78 lbs) facilitate flexible mounting in engine bays or underneath chassis without impacting vehicle balance or performance. Compatibility spans most domestic and imported transmission systems using standard hose connections, making the 18k HD Transmission Cooler an essential upgrade for any organization prioritizing drivetrain longevity and operational readiness.
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