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Our Spark Plug Wires designed for 2018 Toyota 4Runners are backed by our 1-year lower price guarantee. If you find Spark Plug Wires for your 2018 Toyota 4Runner elsewhere, we'll beat that price by $1. Bring your Toyota 4Runner to the performance level it should have left the Toyota factory with using Spark Plug Wires. Feel free to call us with any questions on what 2018 Toyota 4Runner Spark Plug Wires are best for your needs!