How to search products & product SKU?

WooCommerce - How to search products & product SKU

Regular Engine

To search product SKUs, select the “_sku” custom field on the General Options -> Sources panel, on the search instance options:

product_sku-ajax-search-pro

Index Table Engine

Select the “_sku” custom field on the General panel:

Note

Make sure you have the product custom post type selected as well with the Search in custom post types option: