Here go's...i changed two u joints and the two have different size zerk fittings..i got rid of my grease gun a few years ago and should of kept it and see if it fits for both for grease.Do i need to swap out one zerk fitting to match the other or could i just fit the end and continue the job..i never had different size zurks before..planning to buy another grease gun
Last edited by a moderator: