1993 GMC K3500 Sierra SLE Ext. Cab Dually. 6.5l diesel turbo, NV4500 5-speed.
Thanks Okdually, I figured the 2840 was the stock one, but does anyone know about the 2886? It's a number that seems highly recommended as well. Its supposedly for the Kodiaks, and kicks on well under the stock 200+ degree mark? Any one out here running a 2886 fan clutch?