10 Primer Bulbs For Echo Stihl Roybi, Cub Cadet, Troy Bilt Trimmers - 791-181701

Primer Bulb (10-Pack) for Echo, Stihl, Roybi, Cub Cadet, Troy Bilt

This is a set of 10 primer bulbs compatible with trimmers from Echo, Stihl, Roybi, Cub Cadet, and Troy Bilt, directly replacing OEM part number 791-181701.

Overview

These primer bulbs are designed for use on string trimmers from leading brands including Echo, Stihl, Roybi, Cub Cadet, and Troy Bilt. Each bulb in this 10-pack is made to restore proper fuel priming function, helping the trimmer start easily. Ideal for landscapers and homeowners who maintain multiple trimmers.

Built For Performance

• Made from flexible, durable rubber compound for long service life
• Directly replaces OEM part number 791-181701 for a perfect fit
• Pack of 10 provides economical replacement for multiple trimmers
• Pre-formed design ensures easy installation without modification
• Restores proper fuel flow for reliable starting

Fits These Machines

• for Echo trimmers
• for Stihl trimmers
• for Roybi trimmers
• for Cub Cadet trimmers
• for Troy Bilt trimmers

On-The-Job Use

• Replacing failed primer bulbs on gas string trimmers
• Maintaining a fleet of trimmers for commercial landscaping
• Restoring starting reliability on Echo, Stihl, and other trimmers
• Quick fix for trimmers that require multiple pulls to start

Specs At A Glance

Good To Know

Q: Are these primer bulbs universal? A: These bulbs are designed to match OEM part 791-181701, which fits many Echo, Stihl, Roybi, Cub Cadet, and Troy Bilt trimmers. Always verify your model's compatibility.

Q: How do I install these primer bulbs? A: Installation typically involves removing the old bulb and pressing the new one into the housing. Consult your trimmer's service manual for specific steps.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.