NGK Laser Iridium Spark Plug (IFR6T11): Superior Performance & Durability, 4589
In stock
$17.99
Listed as compatible with this vehicle by the retailer feed.
Check price2003 Lexus GS 430 Spark Plugs
2 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
NGK Laser Platinum Spark Plug (BKR6EP-11): High Ignitability & Longevity, 2978
In stock
$18.99
Listed as compatible with this vehicle by the retailer feed.
Check price
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.