Part Number 107609C1 - A New Washer For The Carburetor Solenoid On A Case 1845, 1845B, 1845S Skid Steer Loaders, Case 580B, 580CK Series B Backhoes, IH C-153, C-157, C-175, C-200, C-221, C-263, C-291 Engines, Also Fits A Case 530, 630, 4890 Tractors.  Old Part Numbers Are A47088, B51707, 527840R1, 527842R1.