3 Pack 530047721 Primer Bulb Replacement for Echo PB760LNH Backpack Blower, Easy Cold Start OEM Fit

3Pack 530047721 Primer Bulb Replacement for PB760LNH Backpack Blower Overview This 3pack of primer bulbs, part number 530047721, is a direct replacement for PB760LNH backpack blowers with engine serial range P39511001001 to P39511999999. Designed as a purge bulb replacement compatible with part numbers 12318139130, 300780002, and 1885121, these bulbs restore fuel priming and help the blower to reliable starting performance. Key benefits Restores effective fuel priming for easier cold starts and faster engine ignition. Directfit design for compatible PB760LNH models, saving time over modifications or trialanderror parts. Sold in a 3pack so you have spares on hand for maintenance or multiple machines. Compatible with the specified serial number range and alternate part numbers for straightforward parts matching. Durable replacement option intended for routine maintenance and field repairs. What this part does Acts as the purge or primer bulb that feeds fuel to the carburetor before startup. Helps evacuate air from the fuel line and ensure consistent fuel delivery on startup attempts. Fits the standard mounting and hose connections used on the compatible backpack blower models. Compatibility and specifications Part number: 530047721 Compatible machine: PB760LNH backpack blower Engine serial range: P39511001001 to P39511999999 Alternate/compatible part numbers: 12318139130, 300780002, 1885121 Quantity: 3 primer bulbs per package Function: Primer purge bulb replacement for fuel priming and starting assistance Installation and performance notes Designed to worn or cracked primer bulbs that no longer hold pressure or prime fuel effectively. Typical installation involves removing the old bulb and attaching the replacement to the same hose and mounting points on the blower. Regular inspection and timely replacement help maintain dependable starting behavior and reduce time spent troubleshooting fuel delivery issues. Use scenarios Homeowner seasonal maintenance: a brittle or cracked bulb before fall leaf cleanup to ensure the blower starts reliably each day. Landscaper or grounds crew: Keep the 3pack in a service kit for onsite quick repairs to multiple PB760LNH units and minimize downtime. Small engine : Use as a stocked replacement part when servicing or refurbishing backpack blowers that present hardstart symptoms. Why choose this replacement Matches the required part numbers and serial range for a correct OEMfit replacement. Provides multiple units in one so routine maintenance and immediate repairs are covered. Focused on restoring the specific priming function that directly impacts startup reliability. Contents Three primer bulbs, part number 530047721, compatible with PB760LNH models and listed alternate part numbers. If your backpack blower shows weak or no primer suction, hard cold starts, or visible damage to the existing bulb, this 3pack provides the compatible replacement parts needed to restore proper fuel priming and reduce starting issues.