The John Deere RE38078 oil cooler is a genuine OEM replacement part designed to efficiently cool engine oil in a wide range of John Deere agricultural tractors. This essential component ensures optimal engine performance and longevity by maintaining proper oil temperatures. It directly supersedes part number RE61769 and is compatible with numerous 6000, 6010, 6020, 6030, 7000, 7010, 7020, and 7030 series tractor models. Constructed to John Deere's rigorous specifications, this oil cooler provides reliable heat exchange for demanding operating conditions.