Proven Part 18In Bar and Chain .325 .050 74DL Fits Stihl MS260 MS270 MS290 Chainsaw Bar 18In Requires .325 Pitch  .050 Gauge  74 Drive Links Replaces OEM Part Numbers: Oregon 20LGX074G,20LPX074G; For Husqvarna 5018408-74, 591095774, H23-74; For Stihl 23RS74E, 3637 005 0074 Fits Red Max G561AVS; Fits Stihl MS-270 CQS, MS-271, MS-280, MS-280 C-BQ, MS-280 CQS, MS-290, MS-291, MS-291 C-BEQ, MS-310, MS-341, MS-360, MS-360 C, MS-360 Pro, MS-360 QS, MS-361, MS-361 C-B, MS-361 QS, MS-390