Drop in replacement for Paccar Auxillary Dual oil cooler part # N4149001 Used in Kenworth and Peterbilt Trucks; Robust STEEL TUBE, aluminum fin construction. HEAVY DUTY Core size (finned area) is 2" x 34.4" x 7/8" depth Staggered tube pattern and high performance fin design for maximum cooling Meets or exceeds all Paccar OEM specs for this part Helium leak tested from the factory. Made in the USA. Buy this cooler and support American workers 12 month warranty against workmanship defects with money back or replacement guarantee, but you won't need it
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