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Cummins ISB 5.9L New Crankshaft, 39464373 Cummins ISB 5.9L New Crankshaft, 3946437
New (BS)
$1,77500
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Fitment Guide

Engines (8)
Cummins ISB5.9L | HPCR Fuel System, 24-Valve, Front Gear Train, Fracture-split Con Rod, Piston Marked 0126, 0127, 0192, 6678, 6679, 6680
6-cyl • Diesel
Cummins ISB5.9L | HPCR Fuel System, 24-Valve, Front Gear Train, Fracture-split Con Rod, Piston Marked 0126, 0127, 0192, 6678, 6679, 6680
6-cyl • Diesel
Cummins ISB5.9L | HPCR Fuel System, 24-Valve, Front Gear Train, Fracture-split Con Rod, Piston Marked 0126, 0127, 0192, 6678, 6679, 6680
6-cyl • Diesel
Cummins ISB5.9L | HPCR Fuel System, 24-Valve, Front Gear Train, Fracture-split Con Rod, Piston Marked 0126, 0127, 0192, 6678, 6679, 6680
6-cyl • Diesel
Cummins ISB5.9L | HPCR Fuel System, Non-High Output, 24-Valve, Front Gear Train, Fracture-split Con Rod, Piston Marked 8675, 9807, 9843, 9844
6-cyl • Diesel
Cummins ISB5.9L | HPCR Fuel System, High Output, 24-Valve, Front Gear Train, Fracture-split Con Rod, Piston Marked 5497, 6675, 6676, 9808, 9841, 9842
6-cyl • Diesel
Cummins ISB5.9L | HPCR Fuel System, Non-High Output, 24-Valve, Front Gear Train, Fracture-split Con Rod, Piston Marked 8675, 9807, 9843, 9844
6-cyl • Diesel
Cummins ISB5.9L | HPCR Fuel System, High Output, 24-Valve, Front Gear Train, Fracture-split Con Rod, Piston Marked 5497, 6675, 6676, 9808, 9841, 9842
6-cyl • Diesel
While every effort has been made to ensure the accuracy of the fitment information listed above, it is ultimately the responsibility of the installing mechanic to perform a side-by-side comparison of the replacement part with the original to verify proper fit before installation. RF Engine is not liable for labor or consequential damages resulting from incorrect application.

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All specifications and numbers are provided for reference only and should be independently verified before use. While we guarantee our parts match their descriptions and accept returns for any discrepancies, we cannot be held liable for installation costs, modifications, or consequential damages. Questions about compatibility? Contact our parts experts at 800-828-6943, sales@dieselcranks.com, or via live chat, Mon-Fri 8am-5pm EST.