3965010 CUMMINS CRANKSHAFT FOR ISL (8.9 L)
A critical component in a truck’s engine, the crankshaft (part number 3965010) converts the linear motion of the pistons into the rotational motion needed to drive the transmission and turn the wheels. The crankshaft consists of multiple journals connecting to each piston via connecting rods, rotating on bearings and powered by cylinder explosions. While crankshaft designs vary by make and model, they are generally crafted from high-strength steel and require precision machining for balance and smooth operation. Regular maintenance is essential, as a damaged or worn crankshaft can lead to decreased engine performance or catastrophic failure, ensuring the long-term reliability of the truck.
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3965010 CUMMINS CRANKSHAFT FOR ISL 8.9 L
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