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Glossary

Part number cross-reference: meaning, types and competitor cross-references

A part number cross-reference links one part number to another for the same or an equivalent item: a customer’s own code to your SKU, a manufacturer’s number to your article number, or a competitor’s part number to the product you offer instead. Distributors rely on them to quote and take orders in their own article numbers when customers use someone else’s.

Definition

Part number cross-reference

A record pairing two identifiers for one item, or for two interchangeable items. A list of these pairs is a cross-reference table, or an interchange list when it covers other brands.

Types of part number cross-reference

Most distributors work with several kinds at once.

Types of part number cross-reference
TypeWhat it linksUsually kept in
Customer cross-referenceA customer’s own part number to your SKUThe ERP’s customer item table, spreadsheets, reps’ memory
Manufacturer cross-referenceThe manufacturer’s part number to your article numberYour item master or product data
Competitor cross-reference (interchange)Another brand’s part number to your equivalentManufacturers’ charts and lookup tools, supplier interchange lists, your own tables
SupersessionA discontinued part number to its replacementManufacturer notices, your item master

What is a competitor cross-reference?

A competitor cross-reference maps another brand’s part numbers to the equivalent products in your range. Manufacturers publish them to win buyers over from rival brands. Wholesalers build their own too, because customers name the brand they bought last time rather than the one the wholesaler carries.

An equivalent is not always identical. Good lists separate direct replacements from nearest equivalents, and the rep still checks size, material, finish, rating class, required approvals and pack size. If the customer chose the brand on purpose, ask before substituting.

Why do distributors need part number cross-references?

Enquiries seldom arrive in your article numbers. Buyers paste codes from their own purchasing system, contractors write a competitor’s code, consultants’ schedules list manufacturer numbers. Every such line needs a cross-reference before it can be priced, and the lists that hold them are usually incomplete, so code-heavy enquiries wait for the one rep who knows the account. It is the step any quote automation has to get right. The customer’s side is covered under customer part number.

How to cross-reference a part number

  1. Work out whose number it is: the customer’s, a manufacturer’s or a competitor’s. Prefix and wording (“our ref”, a brand name) usually tell you.
  2. Look it up in the matching list: the customer cross-reference, your product data, or a competitor chart or supplier interchange list.
  3. Check it has not been superseded: an old number may point to a discontinued item; quote the replacement and say so.
  4. Match on specification when no list has it: size, material, standard, rating class, finish.
  5. Check the equivalent against the line and tell the customer about any difference.
  6. Record the pair for the next enquiry.

Example: four codes in one enquiry

An industrial supplies distributor gets a short enquiry by email.

Customer requestIllustrative example
Email from a maintenance buyer
  1. MT-20784 x 30 (our part no.)
  2. FLX 6510-10 filter element x 4
  3. 70-2215-08 hose fitting x 16
  4. ZT-118 adaptor x 4
Proposed lines · Illustrative example
Customer wroteKindProposed productScoreBased on
MT-20784Customer’s own3318420 Push-in fitting 8 mm x G1/4, nickel-plated brass97Pair learned from an earlier quote
FLX 6510-10Competitor’s5206510 Hydraulic return filter element, 10 µm90Your supplier interchange list maps it to your element
70-2215-08Manufacturer’s2812208 Hose fitting JIC 37° female 1/2"95Manufacturer number in your product data
ZT-118Not recognisedPlaceholder code0In no list and too little on the line; marked for the rep

Illustrative example: the codes, products and scores are invented. Lines scoring under 80 are marked for review.

How ERP Agent uses cross-references when quoting

ERP Agent identifies the right products in your own catalogue from what the customer wrote: their own part numbers, manufacturer numbers, competitor codes or a plain description. Competitor codes are mapped from cross-reference data set up for your company, such as supplier interchange lists or pairs in your past quotes. The agent learns the pairs your team sends.

Every line shows the customer’s original next to the proposed product, with a match score from 0 to 100; lines under 80 are marked. By default, a person approves before the quote or order lands in your ERP, CRM or other system. More on customer and competitor part number cross-reference.

Built on your own equivalences

ERP Agent works from the cross-reference lists, supplier interchange data and past quotes you already have, so every equivalent it proposes is a product you want to sell. A code that is in no list is identified from the rest of the line, and a line it cannot place goes on your placeholder code for review instead of being guessed.

Frequently asked questions

What is a cross-reference part number?

A part number listed as equivalent to another, such as a customer’s code or a competitor’s part number that points to an item in your range. “Interchange number” usually refers to the competitor type.

What is the difference between a cross-reference and a supersession?

A cross-reference links two numbers that are both valid today; a supersession replaces a discontinued number with its successor, so the old number should no longer be quoted.

Is a cross-referenced part always a direct replacement?

No. Some entries are like-for-like replacements, others the nearest equivalent with differences in size, material, rating or approvals.

Is a customer part number a cross-reference?

Not on its own. It is the customer’s code for your item; the cross-reference is the link between that code and your SKU.

Where can I find a competitor cross-reference chart?

Usually from the manufacturer whose products you sell: many publish cross-reference charts or online lookup tools that map rival brands’ part numbers to their own, and suppliers share interchange lists. ERP Agent puts those lists to work: it uses the cross-reference data you already have to cross-reference competitor part numbers on every line of an enquiry, and learns each pair your team confirms.

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  • Your requests and product catalogue
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Lauri Pelkonen

Founder & CEO

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