Walmart Automotive Catalog Changes: Prepare for January 2027

Walmart's US Marketplace automotive catalog update affects product types, data models, and attributes. Existing applicable items may migrate automatically, but the systems that create or update items still need current mappings before deprecated product types stop being accepted.

What Walmart Changed in the Automotive Catalog

Walmart lists 23 new automotive product types, 25 updated data models, 13 product types scheduled for deprecation in January 2027, and 63 new attributes. New attributes are not automatically mandatory; the current specification identifies each one as required, recommended, or optional.

Walmart also removed Light Bulb Code in August and directs sellers to use Light Bulb Number.

Map Deprecated Product Types to Replacements

Inventory every automotive workflow that submits item data, then build a versioned crosswalk from affected legacy types to Walmart's current product types and specifications. Verify replacements from official specifications rather than assuming similar names are equivalent.

Prioritize high-value, frequently updated, and variation-heavy items. Give every mapping an owner, test evidence, deployment date, and rollback path.

Test Feeds Before January 2027

Walmart says deprecated automotive product types will no longer be accepted starting in January 2027. Test new-item submissions and existing-item updates with representative SKUs before the cutoff.

Validate required fields, variations, compatibility data, error handling, and production parity. After automatic migration, verify high-value items without automatically resubmitting them.

Conclusion

The practical path is to map affected types, correct attribute logic, test every submission path, deploy before January 2027, and verify migrated items without unnecessary overwrites.