The phrase "a proper replacement" is correct and usable in written English.
You can use it when discussing an alternative that is suitable or appropriate for something that is being substituted.
Example: "After reviewing the options, we found a proper replacement for the outdated software that meets all our needs."
Alternatives: "an appropriate substitute" or "a suitable alternative".
Fruit drinks are no substitute for fruit juice, and neither is a proper replacement for milk.
The special texture of bottom ash makes it a proper replacement for natural aggregates.
Many working in health care believe it would be folly to destroy the new system before building a proper replacement.
Part of the problem is that OFWAT, with its duty to keep prices low, is reluctant to approve the price rises needed to fund a proper replacement programme although Thames plans to spend £1 billion over the next five years patching up and replacing the worst bits of its network.Frustratingly, none of these worries are new.
He intended to leave as soon as he could find a proper replacement.
The board of directors has already cobbled together a search committee, led by Marc Andreessen, Lawrence Babbio, Jr., John Hammergren and Joel Hyatt, to find a proper replacement.
While repealing Obamacare appears to be a political inevitably, implementing the proper replacement plan will be critical.
You'll need this info to purchase a replacement fuse, otherwise take the old fuse with you to the hardware store so a clerk can direct you to the proper replacement.
On-site remediation may include temporary removal of the hazardous waste, construction of a secure landfill on the same site, and proper replacement of the waste.
We will see how quickly they fill that vacancy and with whom". The analyst, who has a sell rating on Square and a $58 price target, thinks it may take a quarter or even longer to find the proper replacement.
Bobby Carpenter, one of the integral parts of the Devils' penalty-killing unit, missed the game with a broken bone and the Devils were unable to find the proper replacement.
