Autolite Iridium Iridium Ultra Fine wire Spark Plug: Optimal Performance & Durability, AI3923
Out of stock
$11.49
Listed as compatible with this vehicle by the retailer feed.
Check price2004 Toyota Sienna Spark Plugs
25 products listed as compatible with this vehicle by the retailer feed.
This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.