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HudCo 
Orange Level
Joined: 29 Jan 2013
Location: Plymouth Utah
Points: 4022
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 Topic: 262 diesel rod bolts
Posted: 04 Jan 2026 at 2:06pm |
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need a part number or source for rod bols and nuts the oem part numbers seam to not go any where on the innernet does arp have somthing i am going to order new head studs from arp my origanal block had studs my doner block had bolts. but for now we need to find rod bolts
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JosephD17III
Bronze Level
Joined: 16 Oct 2025
Location: Neosho, MO
Points: 19
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Posted: 07 Jan 2026 at 8:30pm |
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I don't know where to find one, if you have a local tractor graveyard you could try there. Otherwise maybe the more experienced members would know?
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HudCo
Orange Level
Joined: 29 Jan 2013
Location: Plymouth Utah
Points: 4022
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Posted: 07 Jan 2026 at 10:13pm |
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we found enought new ones this morning oems from a few differant dealers but i am going to try and get arps . absolutly no used rod bolts especaliy on these old engines that have probly had a half of dozen in frames
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RedHeeler79
Silver Level
Joined: 09 Sep 2023
Location: NE Kansas
Points: 225
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Posted: 08 Jan 2026 at 9:00pm |
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Keep us posted on this. If ARP has a replacement, would you let us know? Or post the p/n of the original bolts/nuts, if still available? I’m strongly considering replacing mine before final assembly. Don’t want to take chances after all the headaches it has been getting this far.
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HudCo
Orange Level
Joined: 29 Jan 2013
Location: Plymouth Utah
Points: 4022
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Posted: 16 hours 47 minutes ago at 10:31pm |
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arp is sending me one bolt to see it it will work , it sounds like the nut will end up exactly flush with the end of the bolt. think we will machine the rods and cap just enought to get a full thread past the nut also the grip lenght is about 1/8 longer that shouldent hurt. because thier is only an 1/8 grip in the cap . if it will be ok they have plenty and they cost exactly 10 times less than the oem , dont know who makes the oem but the arps should be the best we are going to get
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RedHeeler79
Silver Level
Joined: 09 Sep 2023
Location: NE Kansas
Points: 225
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Posted: 6 hours 31 minutes ago at 8:47am |
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Oem p/n’s are 74515070 -bolt
74516821 - nut. They appear to be pretty pricey. At one time I had an NOS connecting rod, and it did not have the castle nut with cotter key on the rod bolts, like the originals. It had a crown lock style locking nut, and there was maybe one thread protruding, if that. I’d assume that if the bolts/nuts were ordered from AGCO, they’d be the newer design. Hopefully the ARP’s will work. Post part numbers if you would, once you get them verified. Thanks
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JosephD17III
Bronze Level
Joined: 16 Oct 2025
Location: Neosho, MO
Points: 19
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Posted: 5 hours 21 minutes ago at 9:57am |
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Definitely keep us posted id like to replace mine if my motor is worth a rebuild
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