Doubt you can use the newer generation truck stuff, but IDK honestly.
I helped my brother swap a 14 bolt in his 90 C1500 RCSB many years ago. The donor truck was like a 97 C2500 6 lug. The rear axle was straightforward, just needed a conversion u joint. These generation trucks had different rear axle widths between the C- series and K-series, so you have to use the C- series axles to keep the same track width.
For the front he used the steering knuckle, rotors and brake calipers also from the donor truck. He did the front himself, so I don't know all the details, but I'm pretty sure it all bolted right up. He's running those OEM 20" Silverado Texas Edition rims. He told me he did have to use spacers due to some backspacing issues of the rims. I don't really know much of that kinda stuff.
I would imagine this swap would also work on the C- series SUVs? Maybe look into that as an option. The 3/4 ton 6 lug trucks are kinda rare these days, but you can still find them out there on wrecking yards.