18" 3/8 STD .050 PRO S Chainsaw BarRotary Item #973251818 x 3/8 STD x .050, 66DL Pro Sprocket. Mounting pattern D025. Replaces Rotary 35-12343 & 35-13322.Replaces Stihl 3003 000 8817 Oregon 180RNDD025 Carlton 18-42-A166-ST
Fits Models STIHL: MS260, MS290, MS310, MS311, MS361, MS362, MS3660, MS390, MS391, MS440, MS441, MS460, MS461, MS650, MS660, MS880, 024, 026, 028, 029, 030, 031, 034, 036, 038, 039, 040, 041, 044, 046, 048, 050, 051, 056, 064, 066, 070, 075, 076, 08, 084, 088
Brand: Rotary