JPAT supply 4x4 Transfer cases - both single and complete assemblies - for many manufacturers, including: Audi, BMW, Chrysler, Land Rover, Mercedes Benz, Nissan, Porsche. The most popularly ordered cases are held in stock, or we can obtain them quickly, shipping them directly to you if you're within the EU. Many parts are provided within the UK via next day courier service and our parts sales staff are friendly and professional. Please click here to view our two transfer case / axle catalogues: one for single/internal partsand one for complete systems/assemblies. Homepage. Parts ordering FAQs.