Cab Mount Bolt Sizes

[Frank Enstein]

Anyone know what the Cab Mount Bolt sizes are foe a crew cab? I found the bed bolts easily enough but not the cab ones.

I just replaced the cab mounts with polyurethane ones and the cab is about 1/4" lower than the bed.
I want to put insulators between the bed and frame that are about 1/4" thick to eliminate squeaks but this means I need to raise the cab 1/2" to make it even.
I just want to get the bolts ahead of time.

Thanks in advance,

Frank

 

[east302]

It’ll be buried in here, but this site has the part diagrams that would show the bolt sizes.

Spare parts catalog Chevrolet EPC Online > nemigaparts.com

Parts catalogs. Spare parts catalog Chevrolet EPC Online.

nemigaparts.com

There will be three digit model numbers listed for each part. #07 is SWB, #09 is LWB. The first digit is the capacity, so a 3/4 ton long bed will be 209, 1-ton being 309, etc. Short bed half ton is 107.

Cab style is followed in parentheses. Four door cab will be (43) so a 3/4 ton LWB four door would be C or K209(43). If there are no parentheses numbers, then it applies to all cabs within that wheelbase.

Edit: this looks like it, cab bolts are showing as common to all cabs regardless of capacity. Makes sense, I guess. M12x1.75x110 on the cab, 115 on the front radiator support.

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[Frank Enstein]

My hero! Thanks!

 

[stutaeng]

Isn't there a mod. on installing GMT 800 mounts on these trucks?

 

[smdk2500]

Isn't there a mod. on installing GMT 800 mounts on these trucks?

There is i remember reading it one day. Don't remember where or who started it. I thought it was for the extended cabs only though.

 

[smdk2500]

It is in the stickies. I thought it was for the extended cabs only though.