I sold my 1998 chev 3500 1 1/2 years ago. It had 340,000 mi. I re-
placed the fuel pump once at about 185,000. The altenator and water pump were still original. Rear seals leaked at about 250,000 which forced me to replace original rear brake shoes. Changed tranny fluid and filter twice. And of course the usual front brake pads and tires as they wore. Got a new front bumper, fender, grill and radiator courtsey of Bambi. Extremely satisfied with Chevrolet. Van is still be driven locally by a HAVC guy. He took a chance on a high mile vehicle, got a good deal, he's satisfied.
My 2004 Chev 3500 has 112,000 miles. Only complaint so far is front tire wear. Original front tires were replaced at 60,000. I didn't notice the un-even wear until after the warranty expired. My tire guy put new tires on the rear and the original rears on the front plus re-alignment. The front end was not properly aligned at the factory.
Both vans are 155 inch wheel base. They ride and load better than Ford.
My next van may be a Sprinter though. In the future the Sprinter may be the benchmark by which "B" loads are marketed.