899-5110 ask for Dave..... you'll probably get a good deal on the bearing.......
GM front hub assemblies are cake to change. Don't let anybody charge you over an hour of labor to change one....
if you want a double barrel pump shot gun you have to buy two 870's and put them together its not really practical for anything and its probably 3 times heavier than a regular break action double
yep its easy measure the turning torque on the pinion nut tear it down and replace the seal I always go about 5ftlbs heavy on the turning torque when it goes back together if I don't replace the crush sleeve