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Hello all, planning to do wheel bearings and studs over winter during down time. Trying to figure out what the correct part number is. I’ve seen both 44600-s87-a00 and 44600-s47-000 recommended as the OEMs. I’ve read some posts on this forum saying that certain aftermarket hubs also aren’t cut correctly to accept our rotors. Would appreciate some clarification.
Front and rear bearing is 44300-S84-A02
Front S2000 Hub is 44600-S2A-000 44600-s87-a00 comes up as discontinued in my system. but 02-06 front CRV Hub
44600-s47-000 comes up and 97-01 front CRV Hub
Don't know if that helps and I also dont know anything about the aftermarket options.
Sorry, I typed that out in a hurry and rereading it I see it is confusing. From online it seems like it is possible to use front CRV hubs for the rear hubs on the S2000 with the benefit of them being thicker. I just want to clarify which is the correct hub as I have seen both part numbers referenced as replacements.
OEM only - do not sub with dorman or other aftermarket subs.
Karcepts if you want 1 and done for a while.
I believe I found that post too. The thing is, the first rec is for 97-01 CRV front hubs (44600-S47-000) which are gen 1 however 44600-S87-A00 are for gen 2 CRVs (as well as other applications). Based on certain references in that post as well as doing some more research it seems like the main differences are that gen 1 has a step at the center hub while gen 2 does not and the gen 2 has a slightly smaller flange diameter. These two factors prevent our rotors from fitting the gen 1 hubs. Dorman's website is confusing as they don't list a flange diameter, however I found this post on K20A.org comparing the two OEM parts and you can see that the gen 1 hubs are slightly wider in diameter.
Breaking a rear hub can be scary. While uncommon, it’s not something you want to happen to you, especially on track/moving at high speeds. We all know this is a fairly common issues with the S2000 as the oe hub flange isn't very thick. There is a company (Karcepts) that makes an awesome replacement hub flange for our cars BUT a pair is roughly $300.
Wanna know what only costs $30 for a pair? Front hubs from a 2002 CR-V.
Below is a picture comparing the two - CR-V is obviously on the left and is substantially thicker.
This isn’t meant to be a tutorial on replacing your hubs/wheel bearings - several detailed tutorials already exist. Just use this post as a suggestion. Not saying these hubs are better than what Karcepts offers, but you’re able to literally shave off a zero on the price tag.
Part Numbers: SK930450 (x2) - this is the hub, I bought mine on RockAuto
ARP 100-7717 (x2) - no these aren’t the usual - 7712 Honda studs. the CR-V uses a larger knurl diameter so you’ll need studs from an Evo VIII if you’re planning on doing extended studs. Same thread pitch as oe.
These hubs still have provisions for rotor hold-down screws which seems to be the failure point of the S2000 hub, but considering the added flange thickness I don’t see how this will be an issue.
Note that the S2000 wheel bearing fits this hub perfectly, it is 100% the same except for the added flange thickness. Figured I’d throw this out there in hopes of saving someone a couple (270) dollars!
I saw that thread too. Still my issue was that the above threads reference both gen 1 and gen 2 hubs respectively with some commenting on issues with gen 1 hubs but without enough clarification for me. Skimming rock auto I could find some dimensions. They’re aftermarket so some grain of salt but appears to match up with images from K20A.org.
Gen 1 has a flange diameter 146.5mm and gen 2 has a flange diameter of 139.2mm. Rock auto also lists the S2000 flange diameter as 139.2mm. Gen 1 has a brake rotor pilot diameter of 70mm while gen 2 has a brake pilot diameter of 64mm which matches up with oem S2000 wheel hub diameter. Likely gen 1 is measured wider at the rotor pilot because of the wider step down lip at the hub. I guess in the end some hard numbers give me peace of mind.
edit: though when I look up the knurl diameter of studs for 44600-s87-a00 equipped cars they’re usually listed as 12.345mm which is equivalent to .485 in and the ARP Evo stud is 0.565. So I wonder what’s going on there with one of the threads recommending Evo studs. I guess I can just order the hub and measure for myself before ordering studs.
Last edited by Shift9303; Nov 3, 2024 at 07:07 PM.
I saw that thread too. Still my issue was that the above threads reference both gen 1 and gen 2 hubs respectively with some commenting on issues with gen 1 hubs but without enough clarification for me. Skimming rock auto I could find some dimensions. They’re aftermarket so some grain of salt but appears to match up with images from K20A.org.
Gen 1 has a flange diameter 146.5mm and gen 2 has a flange diameter of 139.2mm. Rock auto also lists the S2000 flange diameter as 139.2mm. Gen 1 has a brake rotor pilot diameter of 70mm while gen 2 has a brake pilot diameter of 64mm which matches up with oem S2000 wheel hub diameter. Likely gen 1 is measured wider at the rotor pilot because of the wider step down lip at the hub. I guess in the end some hard numbers give me peace of mind.
edit: though when I look up the knurl diameter of studs for 44600-s87-a00 equipped cars they’re usually listed as 12.345mm which is equivalent to .485 in and the ARP Evo stud is 0.565. So I wonder what’s going on there with one of the threads recommending Evo studs. I guess I can just order the hub and measure for myself before ordering studs.
Please keep us updated. I'm re-doing the whole rear end this winter and had planned on replacing the rear wheel bearings as well as rebuilding the axles. May as well do the hubs too since we're in there.
CRV front hub conversion.
