01
Capture the useful angles
Photograph the whole part, the connection, stamped markings, and a side profile.
Compatibility, not guesswork
Find the replacement that actually fits.
Photograph the old part, add any markings or measurements, and get a ranked match with clear compatibility evidence.
Free catalog browsing Evidence shown with every match
Scan result Ready
94% match
Strong compatibility match
Delta RP46074
MultiChoice 13/14 Series cartridge
ConnectionTwo lower sealsMatch
Body profileGray cap / blue legsMatch
Valve familyMultiChoice 13/14Confirmed
Common conflictRP19804Excluded
The real problem
Knowing what it is isn’t enough.
Visual search can find something that looks similar. PartThis is designed to connect the old part to the current replacement, then explain the details that make it compatible—or rule it out.
Built for the repair counter
Three steps from mystery part to confident match.
Guided capture improves the result before the search even starts.
02
Add one or two facts
Enter the brand, model, thread size, diameter, or any measurement you can confirm.
03
Review the proof
See ranked candidates, fit notes, known conflicts, and what to verify before purchase.
More useful than a product guess
A compatibility record your customer can take with them.
Every result is built to be shared at the counter, attached to a work order, or used to search a retailer catalog without starting over.
- Exact manufacturer and part number when available
- Measurements and visible evidence
- Known look-alikes and exclusions
- Manufacturer sources and retailer search mappings
Compatibility evidence4 checks passed
Stamped marking“DELTA” appears on upper housing
Body dimensionsLength and seal spacing fall within range
Catalog relationshipMapped to MultiChoice 13/14 family
Potential look-alikeOlder RP19804 excluded by lower body
ExcludedOne engine, several buyers
Start with homeowners. Grow through the trade.
Contractors
Save mystery parts to a job, document the replacement, and stop losing time to catalog searches.
$29 / monthStores & distributors
Search a private catalog from the counter and send customers directly to the correct stocked product.
$249+ / locationPlatforms & manufacturers
Add compatible replacement search to an existing catalog through a white-label widget or API.
Usage or contract pricingPlumbing-first MVP
Start identifying Put a real mystery part through PartThis.
The verified seed catalog now contains 158 manufacturer-documented irrigation, shower, faucet, and toilet repair records.