Product Description
Front crankshaft oil seal for compatible Cummins V903 and VT903 diesel engines. Designed to seal around the front crankshaft, helping retain engine oil and prevent leakage during engine operation.
Features a nominal 4-inch inside diameter, approximately 5-inch outside diameter, and 0.500-inch width.
Cross-references Cummins part numbers 3020184, 3020191, 3006739, 158556, and 186907. Aftermarket equivalents include PAI 136052, Interstate-McBee M-3020184, and FP Diesel FP-3020184.
Product Dimensions:
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Inside diameter: 4.000 inches
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Outside diameter: 5.014 inches (PAI reference)
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Width: 0.500 inches
Verify the original part number, crankshaft diameter, seal housing dimensions, and engine compatibility before ordering.