Chain Extension Kit
PLUS SHIPPING AND TAX
This part replaces the following legacy part #'s : 4A1340, 41A1340
041A1340 is a chain extension replacement kit. Compatible with most LiftMaster® chain drive garage door openers. Complete kit includes: Chain, #48 (3 in.), and (2) Master link kits. Check the manual for your specific model number before ordering to ensure compatibility.
Genuine LiftMaster® replacement part.