Concentric Replacement Pump for MTD Log Splitters - Replaces Part# 718-04127, 3,000 Max. PSI, Model# 40869 All cast iron construction for superb durability 1in. inlet tube provides easy installation with a hose clamp SAE straight thread O-ring outlet port prevents leaking 1/2in. dia. x 1 1/2in.L straight keyed shaft provides dependable performance Delivers up to 11 GPM max. at high flow, 1.1 GPM minimum at low flow