ATI Shell Assy - 7.425 - Steel - 6 Grv - Duramax - 06-10 - LBZ & LMM - Ext Bal - 3 Ring - Diesel

If you're working on a 2006-2010 Duramax diesel, specifically an LBZ or LMM model, and need to replace the crankshaft pulley, this ATI Shell Assy is a solid option. This part is essentially the outer shell of the harmonic balancer, and it plays a crucial role in managing torsional vibrations from the engine's crankshaft. Keeping these vibrations in check is important for the longevity of your engine's internal components.

This particular shell is made from steel and measures 7.425 inches in diameter. It's designed for an external balance setup and features 6 grooves for your accessory belts, along with a 3-ring design. ATI is known for making well-built components, and this pulley is no exception. It's designed to handle the demands of a diesel engine, helping to ensure smooth operation and protect your crankshaft from damaging harmonics.

When installing this, remember that it's part of the harmonic balancer assembly. Make sure to consult your vehicle's service manual for the correct installation procedures and any specific tools required. Proper installation is key to getting the most out of this component and ensuring it functions as intended.