Primer Bulb Fuel Line Replaces part number MTD 791-683974B Ryobi 683974B Walbro188-512, 188-512-1, 188-570-1 AYP 47721 Stihl 4130 350 6200 Echo 12318110860, 12318139130, 3801081330, 5213001400 Homelite 01183, 1183, 300780002, 308088001 Husqvarna 503936601, 530047721 Ryobi 683974, 791-683974 B Tanaka 6685139 Makita 1683982 MTD 753-1185, 791-180000B, 791-181558, 791-181801, 791-683974, 791-683974B, 791-BQ03241 McCulloch 224242-02 224242 791-683974B primer culb, Yellow fuel line kit Ever one needs this to have on hand, Saving time and money, very quick fix.Save yourself the hassle of returns and exchanges by double-checking your engine's model number and part number before ordering any parts. Package including: 1x 2-feet fuel line 4x primer bulbs Please refer the Fitment details at product description and the pictures before making buying choice Fit for Husqvarna K750 and K760 cut off saws and many chainsaws, blowers, hedge trimmers and string trimmers; Fit for Walbro: WT-23A, WYJ-33, WYJ-34, WYJ-45, WYJ-92, WYJ-94 and WYJ-86 carburetors; Fit for Stihl BG55 BG65 BG66 BG75 BG86 Walbro WT-23A WYJ-33 WYJ-34 WYJ-45 WYJ92 WYJ-94 WYJ-86; Fit for Homelite HLT28 ST145 ST155 CS50 CS4018 CS5020 D4150B D450B D4550BC CS40 MCCULLOCH 3210 3214 3216 3200 3205; Fit for Poulan PPB100E PPB150E PPB200 PPB200E PPB250E PPB300 PPB300E PPB32SST PPB350 SM132 SM132LE 35879158 35879558 35879898 3587952 35879556 35879516 3587958 35879518 carburetors, Poulan PP4218AVX Gas Chainsaw; Fit for McCulloch 4600 5000 3020 4700 2012 3200 3210 3214 3216 2116 3205 3816 3818 3805 2318 2118 3516 4900 Chainsaw. Used on the following Models: ECHO chainsaw CS271T CS300 CS3000 CS301 CS303T CS305 CS306 CS310 CS340 CS3400 CS341 CS345 CS3450 CS346 CS352 CS353ES CS355T CS360TES CS361P CS370 CS370F CS400 CS400F CS420ES CS450 CS450P ECHO blower PB760LNH PB760LNT PB770H PB770T ECHO string trimmer SRM400U SRM410U Fit sears echo troy bilt weedeater ryobi STHIL ryan mcculloch craftsman husqvarna trimmer blower chainsaw and other mashine Fits for the following Models: Fits for Husqvarna 125B 125BX 125BVX 225B 225BX 225HBV 356BF 356BT Blower; Fits for Husqvarna 123L 223L 223R 225 232L 227L 227LD 227R 227RD 240L 322C 322L 322R 323 325 325LX 325LXT 325RX 325RXT 325RDX 325RJX 325CX 326 326C 326L 326LS 326LX Trimmer; Fits for Husqarvna 235 235E 236 236E 240 240E 334T 338XPT 340 340E 345 346XP 350 350EPA 353 435 435E 440E 445 445E 450E 455 455E 455 Rancher 460 Chainsaw; Fits for STIHL MS211 MS192T MS210 MS230 MS250 HT250 FS36 FS40 FS44 FS120 FS120R FS250 FS250R Fits for Hitachi RB24EAP TRB24EAP Blower.