CHENGSI 40 Pack 503936601 530047721 Snap in Primer Bulb Purge Bulb for McCulloch 3210 3214 3216 3200 3205 235 236 240 340 345 350 353 440 Chainsaw Fits Poulan Echo Homelite

Replacement snap-in primer (purge) bulb designed for McCulloch chainsaw models 3210, 3214, 3216, 3200 and ideal for swapping out worn or broken carburetor primer bulbs. This 40-pack carries part numbers 503936601 and 530047721 for easy identification. Installation is simple — the snap-in design lets you perform quick repairs or replacements without fuss. Constructed from rubber and plastic materials, the bulb is durable and fade-resistant for reliable long-term use. Compatible with a range of McCulloch chainsaws and also fits various Poulan, Echo, and Homelite chain saw models and engine types. Compact and lightweight, each primer bulb measures a diameter of 2 cm (98 inch), making them easy to handle and store.