RE: Old "new" impeller?
Jabsco, I think it's the larger one. They have two sizes. No matter how or what I use to lube up the spline and shaft, I still normally have to use the puller to get the old one out easily. You really just have to get it started...once it's out maybe 1/4 or 1/3 of the way, you can just grab the puller and pull the whole thing out.