Autolite Iridium XP Spark Plug, XP3923 (1 Pack)

Autolite Iridium XP spark plugs are designed and engineered in the USA, and are among the brand's most technologically advanced offerings. Engineered to last for up to 100,000 miles depending on the engine type, these spark plugs are one of the most durable on the market today. Autolite Iridium XP spark plugs are backed by an unmatched limited lifetime warranty, providing automotive aftermarket and original equipment manufacturers with the highest quality ignition products for all makes and models, both foreign and domestic.

The Autolite Iridium XP spark plugs feature a 0.6mm fine-wire iridium center wire tip design with laser-welded technology, which contributes to maximum fuel efficiency. The fine-wire electrodes produce a more focused and consistent ignitability, resulting in less fuel consumption. These spark plugs provide better durability and a more focused ignition for improved overall ignitability and optimal performance.

Autolite has been producing spark plugs since 1936, making it one of the most trusted and reliable brands for OE replacement spark plug needs. Each iridium spark plug comes with a platinum-protected ground wire for maximum efficiency in all ignition types, including DIS systems, and a V-trimmed ground electrode for improved ignitability.

Upgrading to Autolite Iridium XP spark plugs can lead to increased performance, thanks to their advanced design and engineering. These spark plugs are a testament to Autolite's commitment to providing the automotive industry with the highest quality ignition products, backed by their unmatched limited lifetime warranty.

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