I have replaced most every part that could wear out over twenty years and 300,000 miles of use except for the original engine long block and original C6 automatic transmission.
Both the engine and transmission have been torn down, inspected and new gaskets installed more than twice since new.
All suspension parts have been replaced twice. Includes bushings, rear springs, front springs once, all with new parts, not used or junk. This also includes idler arm, tie rod ends, axle bearings and seals.
Factory air (evaporator) was replaced for first time last year and converted to 134A refrigerant along with new hoses. Compressor was replaced at least twice.
Radiator and heater core replaced twice, last time was last year.
Hoses, Tires, Lamps, belts, plugs, wires, etc. many, many times.
Front seat was replaced in 1995 with current year XLT power seat. Bolted right in existing holes.
All lenses like stop, turn, marker have been replaced at least twice.
It has been repainted twice the original color Whimbledon white.
The truck has only let me down twice in twenty years. Once was the battery and the second time was the original fuel pump let go after 17 years.