Find parts for FIAT Ducato II Van (244) 8140.43S 2.8 JTD, 128 HP. Air Conditioning; Axle Suspension; Belt Pulleys / Gears; Body; Brakes; Chain; Clutch; Comfort / Interior; Damping; Electrics; Engine; Engine Cooling System; Exhaust; Filters. Air Filter; Cabin Filter; Fuel Filter; Oil Filter; Sports Air Filter; Fuel Supply System; Gearbox; Glow Want to change the manual gearbox oil. Taken the air filter box out (3off rubber bonded mountings bust due to rusted nuts at bottom of the filter box!) Taken off the air ducts to get a better look at the the top of the gearbox and found the black breather cap which is where the oil goes in from reading the forum. 【TOP DEAL】⚡️ Order Diesel particulate filter for FIAT Ducato II Minibus (244) 2.8 JTD 128 hp 8140.43S easily at AUTODOC Fast delivery and low prices Discover now for yourself 70K views 6 years ago. FIAT DUCATO 2.8 JTD OIL CHANGE I normally change my oil every 5000 miles; I was told to do this by an old school mechanic who many years ago said if you do this to the a4aXLc.