A new Melling oil pump shaft is recommended to complete every new oil pump install. Melling offers a complete line of high performance drive shafts for selected high performance oil pump applications. A new high performance oil pump shaft is necessary due to possible metal fatigue, cracking and even twisting damage of the old shaft even when the part appears to be in good condition. Melling high performance oil pump shafts are manufactured from hardened chrome moly steel for trusted performance under extreme conditions. Complete every Melling high performance oil pump replacement with a new Melling high performance oil pump shaft.