Autolite® XP5503 Spark Plug

Product Description

Autolite® XP5503 Spark Plug

Iridium XP Spark Plug

Autolite® Iridium XP spark plugs are engineered with an iridium-enhanced fine-wire and a proprietary, platinum ground electrode, to increase durability*, while its tapered ground wire maximizes engine efficiency, delivering improved engine performance, fuel efficiency, acceleration, and ignitability.

Engineered with an Iridium-enhanced center electrode and fine-wire design that increases ignitability and provides a more focused ignition for improved engine performance.

Its proprietary platinum ground electrode provides increased durability* and resistance to wear, extending the life of the plug.

The tapered ground wire improves engine ignitability.

Its high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength while preventing flash-over.

Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.

Includes a lifetime limited warranty that guarantees optimum performance equal to OE designed plugs.

PRODUCT ATTRIBUTE & INFO

Alternate/OEM Part Number(s)