If your Aleko brand ac1400 or ac2000 chain-driven sliding gate opener is in need of a replacement chain, this is the replacement chain you need. Our chains are made of ANSI #41 size reliable and durable stainless steel chain sprockets that will hold up to regular use without needing to be replaced. If you’re looking for a replacement chain for other aleko brand chain-driven sliding gate openers, we also offer the lm188-10 model replacement chain, sold separately.