[asphaltgambler]

Fred, not advising you on how to run your shop but if that cutomer / scenario came to me the first thing I would tell them is a quote for an OE or OEM pump and labor, then 1 hour of diagnostic after. If the customer wouldn't agree I say fine, that's my terms, call me if you change your mind.

Personally and professionally I refuse to bear the burden of someone buying their own parts and then creating more problems and of course blaming the next guy because they had to pay twice. You fix it and they're still pissed.

The first shop made the wrong call.

I've learned the hard way. If they want to buy their own parts they are already not your customer as they're circumventing the process and the business model to satisfied customers and a fair profit.

Crap aftermarket parts are nothing new, just more of them. If there was a roulette wheel in Vegas with black being aftermarket parts and red / OEM. I'd bet the red every time as the odds are waay better.