Remove Duplicates from Manufacturing BOM and Product Data
✓ TestedWorks with CSV, Excel, Google Sheets → JSON-LD Schema
By dataclean.to team · 2026-02-12
Manufacturers maintain bills of materials, vendor part databases, quality records, and production specifications across ERP systems, PLM tools, and legacy spreadsheets that have evolved over decades. The same component can exist under an engineering part number, a vendor part number, and a production floor stock code. When product designs are revised, new BOM entries are created while old ones persist, leading to part records that reference the same physical component under different identifiers. dataclean.to cross-references part numbers, vendor codes, and specifications to consolidate redundant records.
The Problem
In manufacturing, duplicate part records create a chain reaction of problems. Procurement teams order the same component from different suppliers without realizing the parts are interchangeable, missing volume discount opportunities. Warehouse staff stock identical components in separate bins under different codes, inflating inventory carrying costs. Quality control records split across duplicate entries make it difficult to trace defect patterns back to a specific component batch. BOM accuracy suffers when a revision replaces one duplicate but not the others, causing production line confusion about which part to install. ISO 8000 standard for industrial data quality
How to Fix It
1
Export BOM and part databases
Extract data from your ERP, PLM, and vendor management systems into CSV format. Include internal part number, vendor part number, description, material specification, unit of measure, BOM level, and approved vendor list.
2
Upload to dataclean.to
Upload the CSV. The tool compares part numbers, vendor codes, and descriptions to identify components that appear under multiple identifiers across your manufacturing systems.
3
Review duplicate component clusters
Examine grouped duplicates. Common patterns include the same part under engineering and production codes, vendor-specific numbers for identical off-the-shelf components, and BOM entries retained from superseded product revisions.
4
Consolidate into master part records
Merge confirmed duplicates into single canonical entries. Retain the primary engineering part number, list all vendor cross-references, preserve the current specification revision, and link to the correct approved vendor list.
5
Export the clean parts database
Download the deduplicated data for import into your ERP and PLM systems. Clean part records enable accurate BOM costing, consolidated procurement, and reliable quality traceability.
Frequently Asked Questions
How does the tool handle part revisions that change specifications?
Revised parts with different specifications are flagged for review but not auto-merged. If a part was updated from aluminum to stainless steel in a new revision, both entries are presented so you can decide whether to keep the current revision and archive the old one.
Can it match parts from different vendors that are functionally identical?
When two vendor part numbers share the same material specification, dimensions, and tolerance values, they are flagged as potential duplicates. You confirm whether they are truly interchangeable before merging into a single part record with both vendors listed.
What about assemblies that contain sub-assemblies with their own duplicates?
The tool works at the component level within your flattened BOM export. Duplicate sub-assembly references are identified just like any other part. Cleaning duplicates at the component level automatically resolves redundancy up through the BOM hierarchy.
Example: Input → Output
name
sku
price
brand
rating
Wireless Headphones Pro
WHP-001
$89.99
SoundTech
4.5
wireless headphones pro
WHP001
89.99
soundtech
4.5/5
Red rows show common data quality issues. dataclean.to normalizes and generates JSON-LD automatically.