GMPartsGiant.com offers the wholesale prices for genuine 1994 GMC Yukon parts. Parts like M.A.P. & Oxygen Sensors & E.S.C. Module are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 8 Cyl 5.7L, 8 Cyl 6.5L Diesel. Model Code: CLASSIC 2 DOOR 1/2 TON.