Deep Clean Replacement Toothbrush Heads for $43.99

Costco.com has the Oral-B iO Deep Clean Replacement Toothbrush Head 9-count for $43.99, with an additional $2.99 shipping fee. The deal includes $11 off from the manufacturer’s suggested price, valid from August 24 through September 20, 2026, while supplies last. This offer is limited to 3 per member.

While this may not be the lowest price ever for these toothbrush heads, the bulk pack and manufacturer savings make it a competitive deal. The $11 discount and the convenience of purchasing from Costco add value, especially for those needing multiple heads. The deal is straightforward to redeem and offers a good price for replacement heads compatible only with Oral-B iO handles.