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Case 251B, 267B, 301B, 336BD, 401B, 451B, 504B, 504BDT Lower Set

  • Part Number: 5A189538
  • OEM Number: A189538
  • Brand: Reliance
    Brand Info x Close Reliance

    Every Reliance part is produced to exacting standards to ensure the same or better reliability as the original part. In fact, for older engines current technology is often so improved that the part we make available today may actually be better quality than the same part used to assemble the engine originally.

    New Reliance Power Parts replacement engine parts are covered for two years from date of installation. There is no limitation on the number of hours/miles of operation within the two year period. Remanufactured engine parts are covered for 1 year with no hour/mile limitation. New clutch and non-engine parts are covered for 1 year with no hour/mile limitation. Remanufactured clutch and non-engine parts are covered for 6 months with no hour/mile limitation..

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High Quality Parts
Our parts meet and exceed the OEM specifications.


Case 267B Engine
Case 770 Diesel
Case Industrial 680B Diesel

Case 301B Engine

Case Industrial 475, 475C, 680C, W7E Diesel
Case Industrial 850 Diesel

Case 336BD Engine
Case 870 Diesel
Case Industrial 680E, 680G, 680H, 850B, 850C, 855C, W14 Diesel

Case 336BDT Engine
Case Industrial 35D, 780, 780B, 880, 880B, 880R Diesel

Case 401B Engine
Case 970 Diesel
Case Industrial W8E, W9E, W10E, W18, W20, W20B Diesel
Case Industrial 1150 Diesel

Case 451BD Engine
Case 1070, 1090
Case Industrial 1150B, 1150C Diesel

Case 451BDT Engine
Case 1170, 1175, 1270

Case 504BDT Engine
Case Industrial 40, 40D, 40E, 45, 45B, 50D, 50E, 980, 980B, 1080, 1080B, 1280, 1280B, 1285, 1450, 1450B, W24C, W26B, W30
Case 1370, 1470, 1570, 2290, 2294, 2390, 2394, 2470, 2590, 2594, 3294, 3394, 3594, 4490, 4494

Case 504BD Engine
Case 2090, 2094
Case Industrial 880C, 1150D, 1155D, W18B, W20C, W24, W24B Diesel

Case 504BDTI Engine
Case 2670, 4690, 4694
Case Industrial W36 Diesel

Interchanges A189538 - Contains universal oil pan gasket to work with all applications