Htchevyii Posted March 20, 2023 Share Posted March 20, 2023 Apparently in the past I was lucky and ended up with the correct part number of Daystar extend bump stop the first time. This time I wasn't so lucky and a quick internet search revealed I wasn't alone. On the Daystar website I couldn't even see where they specified the size. My 1989 XJ had the 2", while my 1990 parts rig had the 1-1/2". The replacements that I ordered were 1-1/2" so I used the ones from the 1990. See the photos below to see the difference, ( 1-3/4" OD VS 2-1/4" OD. I didn't even realize there were two options, so maybe this will help someone before they get the wrong part. The part numbers are written by their corresponding cup. Also, the 2" seemed to have the rubber bonded to the bottom of the cup and I couldn't remove it. Heating the bottom around the stud allowed it to pop right out when twisted with a big set of pliers. Link to comment Share on other sites More sharing options...
Airborne Janitor Posted March 20, 2023 Share Posted March 20, 2023 There's always been confusion regarding these daystar bump stops and compatibility. Thanks for clearing this up. Link to comment Share on other sites More sharing options...
boxyjeep Posted March 20, 2023 Share Posted March 20, 2023 I ended up using these: Crown Automotive 52087635 Bump... https://www.amazon.com/dp/B01M3MWY00?ref=ppx_pop_mob_ap_share Daystar KU09037BK Front/Rear... https://www.amazon.com/dp/B004IARR9U?ref=ppx_pop_mob_ap_share Had to use my vice to crank them it (very tight press fit). Link to comment Share on other sites More sharing options...
Htchevyii Posted March 20, 2023 Author Share Posted March 20, 2023 39 minutes ago, SoCalJeepComanche said: I ended up using these: Crown Automotive 52087635 Bump... https://www.amazon.com/dp/B01M3MWY00?ref=ppx_pop_mob_ap_share Daystar KU09037BK Front/Rear... https://www.amazon.com/dp/B004IARR9U?ref=ppx_pop_mob_ap_share Had to use my vice to crank them it (very tight press fit). Those show to be a stud type bolt in, not a press in if the photo is correct? Link to comment Share on other sites More sharing options...
boxyjeep Posted March 20, 2023 Share Posted March 20, 2023 Just now, Htchevyii said: Those show to be a stud type bolt in, not a press in if the photo is correct? The cup has a hole for the stud on the rubber part. But still needs to be pressed into the cup. Link to comment Share on other sites More sharing options...
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