Denso 4503 - Alternative spark plugs
There are 18 replacement spark plugs for Denso 4503. The cross references are for general reference only, please check specifications for your application.
Compatible plug on Amazon
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include Amazon Associates.
Denso 4503 replacement spark plugs
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network and Amazon Associates.
Replacement spark plugs for Denso 4503 on Amazon
Advanced search
Choose brand and start typing model number.