MJXJjeepguy Posted April 29, 2019 Share Posted April 29, 2019 Today my MJ brake caliper got locked up and burning thr rotor, so question is will 4wd caliper fit on 2wd? I looked up in advance auto parts and i couldnt find 2WD caliper all i see said for 4WD? Pls help kinda new to MJ and 2WD jeep! Thanks Link to comment Share on other sites More sharing options...
Eagle Posted April 29, 2019 Share Posted April 29, 2019 It depends on the year. If you have an early MJ with the front hubs set up with conventional bearings, the calipers are different from 4WD. If you have a later one with the unitized hub/bearing assemblies, the calipers are the same. Link to comment Share on other sites More sharing options...
MJXJjeepguy Posted April 29, 2019 Author Share Posted April 29, 2019 2 minutes ago, Eagle said: It depends on the year. If you have an early MJ with the front hubs set up with conventional bearings, the calipers are different from 4WD. If you have a later one with the unitized hub/bearing assemblies, the calipers are the same. My is 91 Link to comment Share on other sites More sharing options...
MJXJjeepguy Posted April 29, 2019 Author Share Posted April 29, 2019 Hope the picture help Link to comment Share on other sites More sharing options...
MJXJjeepguy Posted April 29, 2019 Author Share Posted April 29, 2019 Anyone? Link to comment Share on other sites More sharing options...
JMO413 Posted April 29, 2019 Share Posted April 29, 2019 Parts catalog says 2wd and 4wd are different part numbers. So I would guess no. Link to comment Share on other sites More sharing options...
Dzimm Posted April 29, 2019 Share Posted April 29, 2019 My 92 2wd was a different caliper so no they are different if it's the stock axle. Link to comment Share on other sites More sharing options...
Green Mesa XJ Posted April 30, 2019 Share Posted April 30, 2019 Rockauto has the 2WD/RWD calipers listed, if you don’t like buying from them online try the caliper part numbers on amazon and see if they have them. I can see they are different from the 4WD caliper but I’m not sure how different. Sent from my iPhone using Tapatalk Pro Link to comment Share on other sites More sharing options...
MJXJjeepguy Posted April 30, 2019 Author Share Posted April 30, 2019 Alright thanks you guys for help and yup it doesn't fit, i went advance and ask for 2wd brake calipers, and said had to order in 7 days so i ask for 4WD so i can compare it, yup it don't match so i decdie took off my other MJ for temporary till my current MJ get swap over 4x4 so that caliper go back to other MJ. well at least i got my MJ back on road again! Link to comment Share on other sites More sharing options...
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