…And emissions valves, vacuum hoses, evap canisters, fuel cap/seals, possibly a valve cover gasket, serpentine belt, tensioner, and idlers, fuel filter, possibly the fuel pump. 500,000 kilometers is 310,685 miles for all the Yanks and Brits in the audience, and if you manage to drive a combustion car that far without needing all of those things, let alone any selection of them, I will eat my distributor cap.