Proven Part (3) 20" Full Skip Chain For 20" Bar 0.325"" Pitch .050" Gauge 81DL Fits Stihl 3637 005 0081 (1) Qt Oil (6) Files 19938 Replaces Oem M154621

Replaces Oem M154621

Replaces RB-161

please check original tire for size

And 00200260

For Part Numbers C1U-P29

Proven Part (3) 20" Full Skip Chain For 20" Bar 0.325"" Pitch .050" Gauge 81DL Fits Stihl 3637 005 0081 (1) Qt Oil (6) Files 19938 Replaces Oem M154621Proven Part (3) 20" Full Skip Chain For 20In Bar 0. 325 Pitch . 050 Gauge 81DL Fits Oregon 20JPX081G 0. 325 Pitch . 050 Gauge 81DL Full Skip Chainsaw Chain For Stihl Chainsaws Compatible With 3637 005 0081 Also Comes With (1) Quart of Bar & Chain Chainsaw Oil (6) 7 32" Chainsaw Sharpening Files Fits MS261, MS262, MS270, MS271, MS290, MS291,MS 360 C, MS 360 Pro, MS 360 QS, MS 361, MS 361 C B, MS 361 QS, MS 390. 024, 024 Super, 026, 026 PRO, 026P, 028,