This is the inner window weatherstrip for the front left (LH) door on 2003-2009 Chevrolet Kodiak and GMC Topkick C4500, C6500, C7500, and C8500 trucks. This weatherstrip mounts on the inside of the window on the front left door on these trucks. This part is a black colored rubber seal. Replace your old, worn out seal with this brand new factory original part from GM at a fraction of the dealer price.

New. Never Installed. OEM Part. Bulk Overstock

GM part # 15759193

Alternate GM part # 15956349

Item is number 29 in the GM diagram