Forgot to check mine. I'll take a look and let you guys know. Thanks.
81 and on had Oring so your 89 will work as will any 81 and up.Was is 86' and on that had the o-ring? I just pulled one from an 89' 2wd 3/4 ton suburban and was going to put in my 87' Suburban.
I need this other one for my 86' K30.
81 and on had Oring so your 89 will work as will any 81 and up.