Well, I've attempted to replace my pump and filter, and here's what's happened:

My bolts are fused. The pump bolt in the fuel line and the filter bolt in the feeder hose are completely fused. I've been soaking them in WD-40 to try to loosen them up, with no luck.

I was just going to leave them in there and screw the pump and filter to the old bolts. However, some brilliant engineer decided it would be a good idea to change the fitting specs, so my brand new Bosch pump isn't compatible with the bolt from the original Bosch OEM part. Absolutely brilliant.

I'm at a loss to how to resolve this insanity. Should I start thinking about removing the fuel line to get better leverage on the bolt? What about the filter bolt on the feeder hose? Are there any products that any of you have had great success with loosening bolts with?

Much appreciated.