Hey Miner, welcome to the forum! First off - 135 bucks? Wow...bend over!! I just did mine this weekend, filter is about 6 bucks I think and each gallon of rotella is about 8 bucks. I already had almost a full gallon at home, so I just bought 3 gallons and used the rest...so do that math, roughly 40 after tax. It's easy to do yourself, at least on the 7.3 i'm sure the 6.0 is much the same. You should be able to find the Shell Rotella 15-40 at any auto parts store. And the filter should be there too, motorcraft FL-1995 for the 7.3 and 6.0 right Marc???