Fits for Stihl part number :1128 020 9400
Fits for Husqvarna part number :503 71 53-01
Fits for Stihl Models 026 029 036 Pro 038 044 046 064 066 MS260 MS381 MS390 MS440 MS441 MS660
Fits for Husqvarna Models 50, 51 55 272 340 345 346 346xp 350 353 357 359 362 371 365 372xp 385 380 390 395xp
Package Includes :2 Universal Decompression Valves