Package Content: The package includes 3 snap-in primer bulbs and 3 primer bulb pumps, providing a total of 6 pieces. The quantity will meet your daily use and replacement needs. Reliable Material: Constructed from quality plastic, these carburetor primer bulb replacements are built to last, durable and reliable, sturdy, not easy to break, wear-resistant, offering a long service life. Fits Multiple Models: Primer Bulb for Homelite Echo Stihl Robi Zama Primer Pouland 561635001 A01195A 0058001 12538108660, 0057003 0057004; The carburetor primer bulb pump is suitable for Walbro 188-512, WT-23A small engines, Poulan echo chainsaws, Ryobi BP42 Homelite Bolens lawn mowers and blowers 125B 125BX 125BVX 530047721 503936601. Wide Compatibility: These replacement primer bulbs are compatible with a variety of popular brands, including Poulan, Homelite, Ryobi, and more. They are suitable for use in lawn mowers, trimmers, blowers, and other small engine devices. Please note that this product is not affiliated with or endorsed by the mentioned brands. Size: The primer bulb pump replacement dimensions are 2.2 x 2.2 x 3.46cm (0.86 x 0.86 x 1.3 in). The bulb height measures 1.9cm (0.74 in), with a bulb flange diameter of 2.2cm (0.86in), and bulb diameter of 1.8cm (0.7in). Specification:
Color: black, red, clear
Material: plastic
Product Size: 2.2 x 2.2 x 3.46cm (0.86 x 0.86 x 1.3 in), bulb diameter: 1.8cm (0.7in)

Package details:
3 x primer bulb pump
3 x primer bulbs

Note:
Due to manual measurement, the size and weight may have a certain error.
Due to the difference between monitors, there may be a slight color difference existed.