Hy MT53, my parts book says all three are the same Raybestos p/n BH4497, o.a.l. 16 7/8" 7/16" X 20 t.p.i. male thread on one end, 7/16" X 24 t.p.i. female thread on the other end, this end also has a retaining clip slot in it, hope that helps.