Fits: 2001 thru 2005 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY Duramax Diesel

If your engine has had a catastrophic failure, make sure the crank position reluctor wheel is in good shape. If there are any doubts, we'd recommend replacing it with an OEM GM part to make sure you do not run into any issues when the engine is already assembled.