HIPA 12300057730 Carburetor with Primer Bulb for Echo PAS-2601 PE-2601 SRM-2601 SRM-2610 Trimmer # WYJ-192 Replacement manufacturer part number: 12300057730 For ECHO PAS-2601 PE-2601 SRM-2601 SRM-2610 Package include: 1 x carburetor, 2 x primer bulb