Spotted an ECU for a 280zx on Ebay earlier with the auction finishing in a hour, so decided to have a punt. Asking £14 opening bid, won it for £17.20 inc delivery. Also in the job lot was another item part number 25065P8000 1413 (possibly 25085P8000 1413), but I can't seem to identify it. The chap had it down as some sort of 'fuel box'? May be off a different model altogether. Any ideas? Shame the ECU part number doesn't match mine! So, the part number is indeed for a 280zx, Series 1 1979-81 car... just not exactly mine! Dug this up online: My current ECU is: 22611-P6600 / A11-000 426 / L28MT ENGINE CONTROL MODULE. Applied Model: L28E.MT.F5; (10.78 - 09.79) The one I bought is: 22611-P8600 / A11-000 428 / L28MT ENGINE CONTROL MODULE. Applied Model: L28E.MT.F5; (10.79 - 08.81) So the one I have just bought is for a slightly later build date than mine. I wonder what the difference would be? Tempted to plug it in and see, but would probably fry something... Oh well, was worth a punt!