http://tinyurl.com/<P>Murray Backside Idler Pulley Approx. 4-3/4-Inch O.D. 774089MAProduct Review<P> Click on the link for more reviews<P>Murray Part Number 774089; 774089MA;<P>Also Replaces Murray Part Number 91801<P>4.75" OD and .50" ID<P>Genuine Murray Part<P>
