DOES HOSE #W8000528 FIT MY VEHICLE? ( bryan, 11/17/2022 )

Yes, these would be correct for your VIN.

Does this come with the o-ring/metal type gasket on the end that goes to the oil filter housing? If not can you provide part number for that also. Thanks ( Jon, 04/18/2022 )

Yes, this hose set does include those o-rings.

Does this part work for a p42 2003 workhorse? ( Andrea Diaz, 09/12/2019 )

Yes, as long as it has the 5.7L gas engine, which yours does.

W8000528 hose assembly... is this the right part for my 2002 Workhorse Custom Chassis?? ( Eric, 06/10/2019 )

Yes this is the correct engine oil cooler hose set for your 2002 P42.

ARE FITTINGS ON ONE END SCREW INTO RADIATOR COOLER SEPERATELY & END TO OIL FILTER HOUSING ADAPTER IS ONE CONNECTION WITH SCREW IN MIDDLE OF LINE SET GOING INTO ADAPTER ? & SAME AS GM PART # 15007060 ? ( CHARLES CALLAGHAN, 01/11/2019 )

Yes that is correct.