5259499 Oil Seal For Cummins

The 5259499 part number is a Rear Main Crankshaft Oil Seal (also known as a rear oil seal or dry seal) designed for Cummins mid-range diesel engines.

Cross-Reference: 4945960, 4988952, 3973745, 3933262, 3970548, 5405392

Dimensions:ID 4.97″ (126.24 mm) × OD 5.92″ (150.37 mm) × Width 0.49″ (12.45 mm)

The 5259499 seal fits a wide range of Cummins diesel and industrial power configurations, including:

B-Series & ISB: 4B3.9, 4BT, 6B5.9, 6BT, 6C8.3, B3.3, B4.5, ISB4.5, ISB5.9, ISB6.7 (including 1989–2018 Dodge Cummins 5.9L / 6.7L)]

ISC, ISL, & Q-Series: ISC8.3, ISL, QSB4.5, QSB5.9, QSB6.7, QSC8.3, QSL

Other Series: Select F-series, L-series, and industrial equivalents

5259499 Oil Seal For Cummins

5259499 Oil Seal