If your Echo SRM-210 or SHC-210 string trimmer's cylinder cover is cracked or missing, here's the genuine replacement part. Part number A160000181 (also listed as B-7-31). It's brand new, made of durable plastic, and designed to fit perfectly on your 2-stroke gas trimmer. This cover protects the engine cylinder and helps with cooling and debris protection. Easy to install – just a few screws usually. Keeping your trimmer properly covered extends its life and keeps it running safely. Whether you're a homeowner or a landscaping pro, it's smart to have spare parts on hand. Echo is a reliable brand, and using OEM parts ensures the best fit. Order this cover and get your trimmer back in working shape!