Quote Originally Posted by lat9 View Post
One of those was a good guess!

To insert a product via import, you'll need to have both the v_products_id and v_products_model fields present in the to-be-imported CSV. Set the products_id value to 0 (not blank) and the products_model to the new product's unique model number.
And the guess I didn't make. ;-)

Works perfectly when you do that!