Used Engine Crank Pulley 816000257 Diamond/Fisher Belt Drive Hydraulic Plow GMC Chevy V8 305 350

One of the rare Belt Drive Pulley for the Crank (Diamond part # 816000 257.) This came in kit 8SHBP-167. This was used by both Fisher and Diamond.

This is similar to Fisher part #'s 20056 and 3822

These engine driven plow pumps are getting very hard to find. This is the crank pulley only. It does not come with the pump.  All you get is what is in the photos. This one fits 1995+ Chevy and GMC trucks K1500, K2500, K3500, Blazer, Jimmy and Suburban with 262, 305 and 350 engines. This is for vehicles with a serpentine belt. 

This can also be used with other plows or other belt drive accesories.

The pulley measures 4-3/4" overall. There is an 11/16 hole in the center and 3 3/8 holes around that. Overall height is 3-3/4".