First, we wanted to scrap the braided steel turbo oil feed line (it's known to deteriorate, internally, with age and send debris to the turbo's center cartridge) and replace it with the solid, Ford updated line. But, in order to perform this upgrade on ’03-early ’04 engines, a different (later style) oil filter base cover has to be installed on the oil cooler. Luckily, Ford offers a complete adapter kit for early 6.0L owners (PN 3C3Z-6881-CA), which comes with the cover, oil feed line, gasket, O-ring, and hold-down bolt. It retailed for $195 at the local Ford dealer. Then, on the drain side of the turbo, we updated the oil drain tube to PN 6C3Z-9T515-A. For $24 we thought it couldn't hurt matters. Lastly, and once the oil cooler had been reinstalled (PN 3C3Z-6A642-CA for the OE rebuild kit), we threw on our coolant filtration system to ensure we never have another oil cooler failure.