This unbranded S72503 oil pump is a high-quality replacement part, cross-referenced to OEM John Deere part numbers R29995 and L30488. Designed for optimal engine lubrication, it ensures reliable performance across a wide range of John Deere agricultural and industrial machinery, including 820, 920, 1020, 1120, 1520, 2020, 2120, 3120, 830, 930, 1030, 1130, 1630, 1830, 2030, 2130, 3030, 3130, 840, 940, 1040, 1140, 1640, 1840, 2040, 2140, 2240, 2440, 2640, 2840, 2940, 3040, 3140 tractors, as well as 300, 300B, 301, 301A, 302, 302A, 400, 401, 401B, 401C, 401D, 480, 480A, 480B, 480C industrial tractors. This essential component provides consistent oil pressure for engine longevity.