This transmission cooler provides a verified cooling solution specifically engineered for 1999-2003 Powerstroke 7.3L diesel trucks. Manufactured to OEM specifications including dimensions 15.2" x 8.3" x 1.5", it replaces factory transmission coolers without requiring aftermarket brackets or hose modifications. The 37-row stacked plate aluminum core delivers a 265% increase in cooling surface area compared to stock 9-row units. Installation requires only standard hand tools, with direct bolt-on compatibility to OEM locations between radiator and factory transmission lines. Features brazed aircraft-grade aluminum construction with CNC-machined AN-6 fittings, designed to withstand road debris exposure and vibration in diesel applications. Compatible exclusively with: 1999/2000/2001/2002/2003 F-Series Super Duty 7.3L Powerstroke V8 diesel engines Package includes transmission cooler, two pre-flared 18" steel-braided lines, and four stainless steel hose clamps.