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171807
This is a main bearing kit for Cummins 4B, ISB, and QSB series diesel engines. The bearings are designed to be used when the crankshaft main journals have been machined 0.010 inch (0.25 mm) undersize to restore proper oil clearance. Replacing main bearings during an engine overhaul is critical to prevent crankcase damage and maintain engine oil pressure.
Requires crankshaft journals machined 0.010" (0.25 mm) undersize. Verify engine series and journal size before ordering.
Part Number: 171807
MAIN BEARING KIT
Vendor: PAI Industries
Dealer: KP Services Crossville
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