Amazon $44.10 USD versus that on ebay at $4000.00, lol. What's a couple decimal points among friends? He thinks 9% off is a good deal, considering shipping is included.
Looking at OP's link redirects to this, idealized by ebay data experts "We Found Something Similar" aka Acme Gridley Gear Drive Coolant Pump.
This opportune time to insert Lol?
Elsewhere on PM today, found posts lamenting tear down of Enco by MSC. Well, Charles and Nathan Usiskin made their money, and lots of decent [imported] tooling with the Enco brand is found desirable; especially compared to millenial chinesium of today.
i work for a small family job shop. Owners have little experience outside those walls. They rarely will-call, USPS, UPS, FedEx arriving near daily basis. McMaster-Carr is their go-to for purchases, MSC very last. They can overnight copper flats, ACME taps, crazy all-thread, water fountain, any variety fastener; whatever. Pre-internet their prices 'seemed' higher. It's clear now, a lot of income was spent being the very best, worldwide.
As stated MaCarCo site [and paper catalog] epitomize searchable material; without requirement of return filtering trick keystrokes. They also initiated 'About...' pages decades ago.
Spend time quoting, delegating work, running jobs you do personally, and pursue receivables.
Spend cash on services doing what they do best, sourcing and delivery services.