ARGOS 40W-HD Conventional Motor Oil: Reduces Motor Wear, 1 Quart, AR540
In stock
$8.99
Listed as compatible with this vehicle by the retailer feed.
Check price2003 Kia Optima Motor Oil
1 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.