Engine: original, with some upgrades, and a few replacement items. The car has a RichardM intake, K&N panel filter, an Apten chip, a 180Â° 'stat, and no air silencer. I installed new OEM fuel injectors and rail this past spring, just for the sake of it.
Other items of note: A few years ago - oil filter mount/gasket replaced, tensioner replaced, Dynomax exhaust installed. A couple years ago -- water pump and radiator replaced, underdrive pulleys. Within the past year -- PBR front brakes, engine mounts and oil pan gasket.
Transmission: "kind of" original. Never replaced, but it was worked on a few years ago at 178,000 miles. The parts description on the invoice read "Master Repair Kit" and "Overhaul Kit" with "Upgraded Parts." When an auxillary cooler was installed and J-mod was performed a year later, I noticed that the parts needed for the valve body were already installed. Amsoil transmission fluid is what I have used ever since.
Routine maintenance items: plugs, wires, belt, EGR/DPFE stuff and other sensors, hoses, flushes, filters, fluids, battery, brake pads/shoes, rotors, tires, etc.
Additional repair items: control arms, tie rods, shocks, springs, power antenna, LH window motor, blower motor, blower motor speed control, A/C hoses, compressor, condenser, accumulator, windshield, fuel door switch, headlight switch, front and rear window reveal mouldings, LH LED taillight, LH door lock actuator.
Some fun stuff: SC seats, power antenna switch, 220kph speedometer, wider tires, bug deflector, OEM CD player, carpeting, fog lights, heavier-duty headlight harness, headlamp assemblies, clear cornering lamps assemblies, incomplete window tinting, tachometer which states "Premium Fuel Only."
I'm certain I haven't listed everything, but, if you take care of the car, it'll keep running well.