PRIMER PUMP BULB for Zama, Walbro 9948Fits many carburetors from Walbro and ZamaSIZE:Outside diam. atbottom lip is 22mm. Bottom inside diam. is 16mm.Height (thickness)of lip is 1.68mm. Bulb (pump bubble)outside diam. is 18mm.Total height (including bottom lip) is 17mm.OD: 7/8": .0876, Height: 11/16" : 0.677 Replaces:ZAMA 0057004ECHO12538108660OREGON49-028POULAN/WEEDEATER530-035497STENS615-792WALBRO118-16ZAMA0057003ZAMA CIQ & C1Useries carburetorsThis bulb goes directly on your carburetor.Fits: Primer Bulb for FS75 FS74 FS76 FS80 FS85 Trimmersalsoused by Homelite, Echo, Poulan Weedeater, McCulloch, Stihl and others with the Zama carburetors.ECHO ES-210, ES-211, ES-230, ES-231, GT-2000, GT-2000EZR, GT-2000R, GT-2000SB, GT-200EZR, GT-200i, GT-200R, GT-201, GT-201EZR, GT-201i, GT-201R, GT-230, GT-231, GT-251, GT-251E, HC-150,HC-1500, HC-150i, HC-151, HC-151i, HC-160, HC-1600, HC-161, HC-180, HC-1800, HC-181, HC-200, HC-2000, HC-201, HCR-150, HCR-1500, HCR-151, PAS-2000, PAS-2100, PAS-211, PAS-230, PAS-231, PB-200, PB-201, PB-230LN, PB-231LN, PB-403, PB-403H, PB-403T, PB-413, PB-413H, PB-413HT, PB-460LN, PB-461LN, PB-600, PB-6000, PB-601, PB-602, PB-603, PB-60HT, PB-610, PB-611,PB-620, PE-200, PE-2000, PE-201, PE-230, PE-231, PP-1200, PP-800, PPF-210, PPF-2100, PPF-211, PPF-2110, PPSR-2122, PPT-230, PPT-231, SHC-1700, SHC-210, SHC-2100, SHC-211, SHC-212,SHR-210, SRM-210, SRM-2100, SRM-2100SB, SRM-210i, SRM-210SB, SRM-210U, SRM-211, SRM-2110,SRM-211i, SRM-211SB, SRM-211U, SRM-230, SRM-230S, SRM-230U, SRM-231, SRM-231S, SRM-231U,SRM-251, SRM-251E, SRM-251SB, SRM-251U, SV-4B, SV-4B(H), SV-5C, SV-5C/1, SV-5C/2, SV-5Ci,SV-5H2, SV-6, SV-6/1, TC-210, TC-2100, TC-210i and WP-1000ZAMA C1U and C1Q/M type carburetors.