Product Description:Replaces part suitable for the following for Husqvarna models fitted with for Walbro HDA carburettor only;42, 44, 133, RS51, 234, 238, 242, 250, 250RX, 252RX, 254, 262, 262XP, 450, 525, P901, 2054, 2055, H245, H340, H345, H346, H350, H351, HP359Also fits for Jonsered chainsaws 2051, 2054, 2055for GHS Part number - 2089Replaces OEM part number - D22HDAFits for :For Stihl Chainsaws : 027, 028,029, 039, 044, 046, 1127, 1128, 1133, MS 270, MS 280, MS 290, MS 341, MS 361, MS 390, MS 440, MS 441, MS 461For Stihl Blowers: 4203 / SR 360 / BR 320 / BR 400 / BR 420For Stihl Trimmers: 4116 / FS 340 / FS 360 / FS 500 / FS 550For Husqvarna : 362, 365, 371, 372For Jonsered : 2065, 2071, 2165, 2171Fit for HD Walbro Carburetors:HD-1, HD-2, HD-3, HD-4, HD-5, HD-6, HD-7, HD-8A, HD-9A, HD-10, HD-11A, HD-12, HD-13, HD-14, HD-15B, HD-16, HD-17A, HD-18B, HD-19B, HD-21B, HD-22, HD-23, HD-27 & HD28AWhen the carburetor is generally used the diaphragm inside is mostly broken so you can use this kit to replace it then the carburetor can be used againPlease Note:1.Due to the light and screen difference, the item's color may be slightly different from the pictures.2.All dimensions are measured by hand, there may be small deviations.