{"product_id":"stihl-4226-121-2700","title":"STIHL 4226 121 2700 Primer Bulb | OEM Carburetor Primer Bulb Cap","description":"\u003cdiv class=\"product-description stihl-4226-121-2700-primer-bulb\"\u003e\n\u003ch2\u003eSTIHL 4226 121 2700 Primer Bulb \/ Cap\u003c\/h2\u003e\n\u003cp\u003eThe STIHL 4226 121 2700 Primer Bulb is an OEM replacement primer bulb \/ cap used on select STIHL carburetor assemblies. A worn, cracked, leaking, or stiff primer bulb can make equipment harder to start and may prevent fuel from properly priming the carburetor.\u003c\/p\u003e\n\u003cp\u003eThis part is commonly searched as STIHL 4226 121 2700, STIHL 42261212700, STIHL primer bulb, STIHL carburetor primer bulb, STIHL purge bulb, STIHL primer cap, or STIHL fuel primer bulb replacement.\u003c\/p\u003e\n\u003cp\u003eThis primer bulb is used across many STIHL handheld equipment models, including select trimmers, brushcutters, blowers, shredder vacs, hedge trimmers, Kombi engines, pole pruners, edgers, augers, Yard Boss units, and sprayers.\u003c\/p\u003e\n\u003cp\u003eAlways verify your exact STIHL model, serial number, carburetor number, and parts diagram before ordering. Do not order by model family alone because primer bulb fitment can vary by carburetor version.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; border: 1px solid #ddd; padding: 8px;\"\u003eBrand\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSTIHL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; border: 1px solid #ddd; padding: 8px;\"\u003ePart Number\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e4226 121 2700\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; border: 1px solid #ddd; padding: 8px;\"\u003eCompact Part Number\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e42261212700\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; border: 1px solid #ddd; padding: 8px;\"\u003eProduct Type\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003ePrimer Bulb \/ Cap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; border: 1px solid #ddd; padding: 8px;\"\u003eCommon Diagram Section\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eCarburetor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; border: 1px solid #ddd; padding: 8px;\"\u003eOEM \/ Aftermarket\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eOEM STIHL replacement part\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; border: 1px solid #ddd; padding: 8px;\"\u003eCommon Equipment\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSelect STIHL trimmers, brushcutters, blowers, hedge trimmers, Kombi engines, pole pruners, edgers, augers, and handheld equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOEM STIHL primer bulb \/ cap replacement\u003c\/li\u003e\n\u003cli\u003ePart number 4226 121 2700\u003c\/li\u003e\n\u003cli\u003eAlso searched as 42261212700\u003c\/li\u003e\n\u003cli\u003eUsed on select STIHL carburetor assemblies\u003c\/li\u003e\n\u003cli\u003eHelps prime fuel into the carburetor for easier starting\u003c\/li\u003e\n\u003cli\u003eReplacement for worn, cracked, leaking, or hardened primer bulbs\u003c\/li\u003e\n\u003cli\u003eFits many STIHL handheld equipment applications when listed in the correct parts diagram\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFits Select STIHL Models\u003c\/h2\u003e\n\u003cp\u003eThe following model references are based on supplied where-used information. Always confirm your exact model, serial number, carburetor number, and parts diagram before ordering.\u003c\/p\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eTrimmers \/ Brushcutters\u003c\/summary\u003e\n\u003cul\u003e\n\u003cli\u003eFS 38\u003c\/li\u003e\n\u003cli\u003eFS 40 C-E\u003c\/li\u003e\n\u003cli\u003eFS 45\u003c\/li\u003e\n\u003cli\u003eFS 45 C-E\u003c\/li\u003e\n\u003cli\u003eFS 45 D\u003c\/li\u003e\n\u003cli\u003eFS 46\u003c\/li\u003e\n\u003cli\u003eFS 46 C-E\u003c\/li\u003e\n\u003cli\u003eFS 50 C-E L\u003c\/li\u003e\n\u003cli\u003eFS 55\u003c\/li\u003e\n\u003cli\u003eFS 55 R\u003c\/li\u003e\n\u003cli\u003eFS 55 RC-E\u003c\/li\u003e\n\u003cli\u003eFS 56 C-E\u003c\/li\u003e\n\u003cli\u003eFS 56 RC-E\u003c\/li\u003e\n\u003cli\u003eFS 70 R\u003c\/li\u003e\n\u003cli\u003eFS 70 RC-E\u003c\/li\u003e\n\u003cli\u003eFS 75\u003c\/li\u003e\n\u003cli\u003eFS 80\u003c\/li\u003e\n\u003cli\u003eFS 80 R\u003c\/li\u003e\n\u003cli\u003eFS 85\u003c\/li\u003e\n\u003cli\u003eFS 85 R\u003c\/li\u003e\n\u003cli\u003eFS 85 RX\u003c\/li\u003e\n\u003cli\u003eFS 90\u003c\/li\u003e\n\u003cli\u003eFS 90 R\u003c\/li\u003e\n\u003cli\u003eFS 91\u003c\/li\u003e\n\u003cli\u003eFS 91 R\u003c\/li\u003e\n\u003cli\u003eFS 91.0\u003c\/li\u003e\n\u003cli\u003eFS 100 RX\u003c\/li\u003e\n\u003cli\u003eFS 110\u003c\/li\u003e\n\u003cli\u003eFS 110 R\u003c\/li\u003e\n\u003cli\u003eFS 110 RX\u003c\/li\u003e\n\u003cli\u003eFS 111\u003c\/li\u003e\n\u003cli\u003eFS 111 R\u003c\/li\u003e\n\u003cli\u003eFS 111 RX\u003c\/li\u003e\n\u003cli\u003eFS 130\u003c\/li\u003e\n\u003cli\u003eFS 130 R\u003c\/li\u003e\n\u003cli\u003eFS 131\u003c\/li\u003e\n\u003cli\u003eFS 131 R\u003c\/li\u003e\n\u003cli\u003eFS 131.0\u003c\/li\u003e\n\u003cli\u003eFS 131.0 R\u003c\/li\u003e\n\u003cli\u003eFS 310\u003c\/li\u003e\n\u003cli\u003eFS 311\u003c\/li\u003e\n\u003cli\u003eFS 360 C-E\u003c\/li\u003e\n\u003cli\u003eFS 360 C-EM\u003c\/li\u003e\n\u003cli\u003eFS 361 C-EM\u003c\/li\u003e\n\u003cli\u003eFS 461 C-EM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eBlowers \/ Shredder Vacs\u003c\/summary\u003e\n\u003cul\u003e\n\u003cli\u003eBG 45\u003c\/li\u003e\n\u003cli\u003eBG 45 C KAT\u003c\/li\u003e\n\u003cli\u003eBG 46\u003c\/li\u003e\n\u003cli\u003eBG 46 C KAT\u003c\/li\u003e\n\u003cli\u003eBG 50\u003c\/li\u003e\n\u003cli\u003eBG 55\u003c\/li\u003e\n\u003cli\u003eBG 55 C KAT\u003c\/li\u003e\n\u003cli\u003eBG 56 C-E\u003c\/li\u003e\n\u003cli\u003eBG 65\u003c\/li\u003e\n\u003cli\u003eBG 66\u003c\/li\u003e\n\u003cli\u003eBG 75\u003c\/li\u003e\n\u003cli\u003eBG 85\u003c\/li\u003e\n\u003cli\u003eBG 85 C KAT\u003c\/li\u003e\n\u003cli\u003eBG 86\u003c\/li\u003e\n\u003cli\u003eBG 86 C-E\u003c\/li\u003e\n\u003cli\u003eBR 45 C\u003c\/li\u003e\n\u003cli\u003eBR 200\u003c\/li\u003e\n\u003cli\u003eSH 55\u003c\/li\u003e\n\u003cli\u003eSH 56 C-E\u003c\/li\u003e\n\u003cli\u003eSH 85\u003c\/li\u003e\n\u003cli\u003eSH 85-D\u003c\/li\u003e\n\u003cli\u003eSH 86 C-E\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHedge Trimmers \/ Long-Reach Hedge Trimmers\u003c\/summary\u003e\n\u003cul\u003e\n\u003cli\u003eHS 45\u003c\/li\u003e\n\u003cli\u003eHS 75\u003c\/li\u003e\n\u003cli\u003eHS 80\u003c\/li\u003e\n\u003cli\u003eHS 81 R\u003c\/li\u003e\n\u003cli\u003eHS 81 T\u003c\/li\u003e\n\u003cli\u003eHS 81 TC-E\u003c\/li\u003e\n\u003cli\u003eHS 82 R\u003c\/li\u003e\n\u003cli\u003eHS 82 T\u003c\/li\u003e\n\u003cli\u003eHS 85\u003c\/li\u003e\n\u003cli\u003eHS 86 R\u003c\/li\u003e\n\u003cli\u003eHS 86 T\u003c\/li\u003e\n\u003cli\u003eHS 87 R\u003c\/li\u003e\n\u003cli\u003eHS 87 T\u003c\/li\u003e\n\u003cli\u003eHL 45\u003c\/li\u003e\n\u003cli\u003eHL 45-D\u003c\/li\u003e\n\u003cli\u003eHL 56 K\u003c\/li\u003e\n\u003cli\u003eHL 75\u003c\/li\u003e\n\u003cli\u003eHL 75 K\u003c\/li\u003e\n\u003cli\u003eHL 90 K\u003c\/li\u003e\n\u003cli\u003eHL 100\u003c\/li\u003e\n\u003cli\u003eHL 100 K\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eKombiSystem Engines\u003c\/summary\u003e\n\u003cul\u003e\n\u003cli\u003eKM 55 R\u003c\/li\u003e\n\u003cli\u003eKM 55 RC-E\u003c\/li\u003e\n\u003cli\u003eKM 56 RC-E\u003c\/li\u003e\n\u003cli\u003eKM 85 R\u003c\/li\u003e\n\u003cli\u003eKM 90 R\u003c\/li\u003e\n\u003cli\u003eKM 91 R\u003c\/li\u003e\n\u003cli\u003eKM 110 R\u003c\/li\u003e\n\u003cli\u003eKM 111 R\u003c\/li\u003e\n\u003cli\u003eKM 130 R\u003c\/li\u003e\n\u003cli\u003eKM 131 R\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003ePole Pruners\u003c\/summary\u003e\n\u003cul\u003e\n\u003cli\u003eHT 56 C-E\u003c\/li\u003e\n\u003cli\u003eHT 70\u003c\/li\u003e\n\u003cli\u003eHT 75\u003c\/li\u003e\n\u003cli\u003eHT 100\u003c\/li\u003e\n\u003cli\u003eHT 101\u003c\/li\u003e\n\u003cli\u003eHT 102\u003c\/li\u003e\n\u003cli\u003eHT 103\u003c\/li\u003e\n\u003cli\u003eHT 105\u003c\/li\u003e\n\u003cli\u003eHT 130\u003c\/li\u003e\n\u003cli\u003eHT 131\u003c\/li\u003e\n\u003cli\u003eHT 132\u003c\/li\u003e\n\u003cli\u003eHT 133\u003c\/li\u003e\n\u003cli\u003eHT 134\u003c\/li\u003e\n\u003cli\u003eHT 135\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eEdgers\u003c\/summary\u003e\n\u003cul\u003e\n\u003cli\u003eFC 55\u003c\/li\u003e\n\u003cli\u003eFC 55-D\u003c\/li\u003e\n\u003cli\u003eFC 56 C-E\u003c\/li\u003e\n\u003cli\u003eFC 70\u003c\/li\u003e\n\u003cli\u003eFC 70 C-E\u003c\/li\u003e\n\u003cli\u003eFC 75\u003c\/li\u003e\n\u003cli\u003eFC 85\u003c\/li\u003e\n\u003cli\u003eFC 90\u003c\/li\u003e\n\u003cli\u003eFC 91\u003c\/li\u003e\n\u003cli\u003eFC 95\u003c\/li\u003e\n\u003cli\u003eFC 96\u003c\/li\u003e\n\u003cli\u003eFC 100\u003c\/li\u003e\n\u003cli\u003eFC 110\u003c\/li\u003e\n\u003cli\u003eFC 111\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eOther STIHL Equipment\u003c\/summary\u003e\n\u003cul\u003e\n\u003cli\u003eBT 45\u003c\/li\u003e\n\u003cli\u003eBT 130\u003c\/li\u003e\n\u003cli\u003eBT 131\u003c\/li\u003e\n\u003cli\u003eFB 131\u003c\/li\u003e\n\u003cli\u003eMM 55\u003c\/li\u003e\n\u003cli\u003eMM 55 C-E\u003c\/li\u003e\n\u003cli\u003eMM 56 C-E Yard Boss\u003c\/li\u003e\n\u003cli\u003eSR 200\u003c\/li\u003e\n\u003cli\u003eKW 85\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon Carburetor References\u003c\/h2\u003e\n\u003cp\u003eSupplied fitment data shows this primer bulb used in many STIHL carburetor diagrams, including select C1Q, C1M, and STIHL carburetor assembly references. Match your original carburetor and parts diagram before ordering.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eC1Q-S29, C1Q-S30, C1Q-S50, C1Q-S55, C1Q-S64, C1Q-S70, C1Q-S71, C1Q-S72, C1Q-S73, C1Q-S74\u003c\/li\u003e\n\u003cli\u003eC1Q-S79, C1Q-S88, C1Q-S97, C1Q-S98, C1Q-S110, C1Q-S112, C1Q-S130, C1Q-S131, C1Q-S132\u003c\/li\u003e\n\u003cli\u003eC1Q-S153, C1Q-S157, C1Q-S169, C1Q-S170, C1Q-S173, C1Q-S174, C1Q-S175, C1Q-S176, C1Q-S186\u003c\/li\u003e\n\u003cli\u003eC1Q-S196, C1Q-S197, C1Q-S198, C1Q-S202, C1Q-S218, C1Q-S225, C1Q-S292\u003c\/li\u003e\n\u003cli\u003eC1M-S141, C1M-S142, C1M-S144, C1M-S146, C1M-S203, C1M-S204, C1M-S205, C1M-S208, C1M-S228, C1M-S244, C1M-S260, C1M-S267\u003c\/li\u003e\n\u003cli\u003eSTIHL carburetor assembly references 4137, 4140, 4144, 4147, 4180, 4229, 4237, and 4241 where this part is listed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhen to Replace a Primer Bulb\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePrimer bulb is cracked, split, stiff, cloudy, or leaking fuel\u003c\/li\u003e\n\u003cli\u003eBulb will not fill with fuel when pressed\u003c\/li\u003e\n\u003cli\u003eBulb stays collapsed or does not return to shape\u003c\/li\u003e\n\u003cli\u003eEquipment is hard to start because fuel is not priming properly\u003c\/li\u003e\n\u003cli\u003eFuel leaks around the primer area\u003c\/li\u003e\n\u003cli\u003eYour STIHL parts diagram lists part number 4226 121 2700\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eImportant Fitment Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThis listing is for STIHL part number 4226 121 2700\u003c\/li\u003e\n\u003cli\u003eVerify your exact model, serial number, and carburetor diagram before ordering\u003c\/li\u003e\n\u003cli\u003eConfirm your original primer bulb shape, mounting style, and carburetor number\u003c\/li\u003e\n\u003cli\u003eDo not order by equipment model alone because carburetor versions can vary\u003c\/li\u003e\n\u003cli\u003eSome models have multiple carburetor options depending on production date and serial range\u003c\/li\u003e\n\u003cli\u003eFuel lines, carburetor, gaskets, screws, and other components are not included unless shown or stated\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eInstallation and Service Notes\u003c\/h2\u003e\n\u003cp\u003eShut the engine off and allow the unit to cool before servicing the carburetor or fuel system. Work in a well-ventilated area away from sparks, flames, or ignition sources.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInspect the fuel lines, fuel filter, tank vent, carburetor, and primer area during service\u003c\/li\u003e\n\u003cli\u003eReplace cracked or hardened fuel lines as needed\u003c\/li\u003e\n\u003cli\u003eClean dirt and debris away from the carburetor before removing parts\u003c\/li\u003e\n\u003cli\u003eConfirm the primer bulb seats and seals correctly after installation\u003c\/li\u003e\n\u003cli\u003eCheck for fuel leaks before operating the equipment\u003c\/li\u003e\n\u003cli\u003eFollow the STIHL service instructions for your exact model\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003ePart Number \/ Search Terms\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSTIHL 4226 121 2700\u003c\/li\u003e\n\u003cli\u003eSTIHL 42261212700\u003c\/li\u003e\n\u003cli\u003e4226 121 2700 primer bulb\u003c\/li\u003e\n\u003cli\u003eSTIHL primer bulb\u003c\/li\u003e\n\u003cli\u003eSTIHL purge bulb\u003c\/li\u003e\n\u003cli\u003eSTIHL primer cap\u003c\/li\u003e\n\u003cli\u003eSTIHL carburetor primer bulb\u003c\/li\u003e\n\u003cli\u003eSTIHL fuel primer bulb\u003c\/li\u003e\n\u003cli\u003eSTIHL trimmer primer bulb\u003c\/li\u003e\n\u003cli\u003eSTIHL blower primer bulb\u003c\/li\u003e\n\u003cli\u003eSTIHL hedge trimmer primer bulb\u003c\/li\u003e\n\u003cli\u003eSTIHL Kombi primer bulb\u003c\/li\u003e\n\u003cli\u003eSTIHL pole saw primer bulb\u003c\/li\u003e\n\u003cli\u003eSTIHL edger primer bulb\u003c\/li\u003e\n\u003cli\u003eSTIHL FS 55 primer bulb\u003c\/li\u003e\n\u003cli\u003eSTIHL FS 56 primer bulb\u003c\/li\u003e\n\u003cli\u003eSTIHL FS 70 primer bulb\u003c\/li\u003e\n\u003cli\u003eSTIHL FS 91 primer bulb\u003c\/li\u003e\n\u003cli\u003eSTIHL FS 111 primer bulb\u003c\/li\u003e\n\u003cli\u003eSTIHL FS 131 primer bulb\u003c\/li\u003e\n\u003cli\u003eSTIHL BG 55 primer bulb\u003c\/li\u003e\n\u003cli\u003eSTIHL BG 56 primer bulb\u003c\/li\u003e\n\u003cli\u003eSTIHL BG 86 primer bulb\u003c\/li\u003e\n\u003cli\u003eSTIHL SH 86 primer bulb\u003c\/li\u003e\n\u003cli\u003eSTIHL HS 45 primer bulb\u003c\/li\u003e\n\u003cli\u003eSTIHL KM 56 primer bulb\u003c\/li\u003e\n\u003cli\u003eSTIHL KM 91 primer bulb\u003c\/li\u003e\n\u003cli\u003eSTIHL FC 56 primer bulb\u003c\/li\u003e\n\u003cli\u003eOEM STIHL carburetor parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is STIHL 4226 121 2700?\u003c\/summary\u003e\n\u003cp\u003eSTIHL 4226 121 2700 is an OEM primer bulb \/ cap used on select STIHL carburetor assemblies.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs 42261212700 the same as 4226 121 2700?\u003c\/summary\u003e\n\u003cp\u003eYes. 42261212700 is the compact part number format commonly used when searching for STIHL part number 4226 121 2700.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes this fit STIHL FS trimmers?\u003c\/summary\u003e\n\u003cp\u003eThis primer bulb is listed for many select FS trimmer and brushcutter models, including FS 38, FS 45, FS 55, FS 56, FS 70, FS 90, FS 91, FS 111, FS 130, and FS 131 applications. Always verify your exact carburetor and parts diagram.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes this fit STIHL blowers?\u003c\/summary\u003e\n\u003cp\u003eThis part is listed for select BG, BR, and SH blower or shredder vac applications, including many BG 45, BG 55, BG 56, BG 85, BG 86, BR 200, SH 55, SH 56, SH 85, and SH 86 models. Confirm your model and carburetor before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I order this by equipment model alone?\u003c\/summary\u003e\n\u003cp\u003eNo. STIHL models can use different carburetors depending on serial range and production version. Confirm the original primer bulb, carburetor number, and parts diagram before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat are signs of a bad primer bulb?\u003c\/summary\u003e\n\u003cp\u003eCommon signs include a cracked or leaking bulb, a bulb that will not fill with fuel, a bulb that stays collapsed, hard starting, or fuel leaking around the carburetor primer area.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cp\u003eP\u0026amp;P Small Engines stocks OEM STIHL primer bulbs, carburetor parts, fuel lines, fuel filters, spark plugs, air filters, trimmer parts, blower parts, edger parts, and professional outdoor power equipment replacement parts.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Stihl","offers":[{"title":"Default Title","offer_id":50548118945985,"sku":"4226 121 2700","price":4.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2803\/7330\/files\/4226_121_2700.webp?v=1788209343","url":"https:\/\/pandpsmallengines.com\/products\/stihl-4226-121-2700","provider":"P \u0026 P Small Engines","version":"1.0","type":"link"}