Fender bolts question
 

What's the bolt sizes for the front fender bolts to mount it to the cab and core support?
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Re: Fender bolts question
 

There are basically 3 different size bolts. Almost all of them are 5/16 x 3/4 fender bolts (a couple are 5/16 x 1 but I can't remember which ones). The bolts that hold the bottom rear of the fender to the cab are 3/8 x 1 with an integral washer and the large bolt for the inner fenders to the lower cab support are 7/16 x2. Those have a large (2 or 2 1/2")diameter integral washer on them.

LockDoc

I bought some 5/16 bolts and they were way too loose?
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Re: Fender bolts question
 

If you are referring to the top 2 fender bolts that bolt it to the cab they are 3/8-16tpi. One of them is 1 inch long and the other is 1 and 1/4 inch long.Attachment 1829235

Re: Fender bolts question
 

Yep, I missed those. Thanks for the addition.

LockDoc

Re: Fender bolts question
 

Mine were:

• The rear top and bottom of the fender use three (GR 5) 9/16" recessed hex bolts with integrated washers. The bolt threads for the LH fender were 3/8-16 x 1.1/4. The bolt threads for the RH fender were 3/8-16 x 1.1/8.

NOTES:
The 1.1/4 bolts are stamped with a double "F". The 1.1/8 bolts are stamped with an anchor.

• Each fender mounts to the gusset & core support using four (GR 5) 1/2" recessed hex tapered bolts with integrated washers. The bolt threads are 5/16-18 x 7/8. NOTE: The bolt heads are stamped "E".