I mistakenly purchased this and have been storing it. I'm selling it at a low price because I won't be using it. The model number is U5386. This is only sold as a set. How about it for replacement + spare parts? It will be shipped without the box. Fits Daihatsu vehicles: Wake Copen (LA400K) Hijet Sambar Stella Boon Tanto Exe Please refer to the NGK website's compatibility chart for details.