RepairPal Certified shops can diagnose and repair your 1992 Chevrolet K2500 Suburban. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
Go to www.parts.com put in your vehicles info and put axle in the search box, I see a solid axle for 2 wheel drive and a independent axle setup for the 4 wheel drive model
If I'm not mistaken, 2 wd Burbs don't have front axles, just a-arms, springs, and spindles.