APDTY 103945 Transmission Oil Drain Plug (Pack Of 1) Fits 1997-2009 GM & Chevrolet Vehicles with 4L80-E or 4L85-E Transmission (Standard Replacement Length = 1.20 Inches ; Head Size = 15mm; Thread Size = M12-1.75) (Replaces OE 24233099) Meets Or Exceeds OEM Specs Factory OEM Fit Form And Function