2021 Toyota 4Runner Ignition Relays, Sensors & Switches
-
Original (OEM)Ignition PartsYour vehicle's engine needs a powerful spark at the right time to operate at its peak potential. Your ignition system is responsible for producing and transferring this spark. It consists of the ignition switch, ignition coil or... - TRQ®Ignition Knock SensorToyota 4Runner 2021, Ignition Knock Sensor by TRQ®. Don't wait and replace your faulty ignition knock (detonation) sensor that’s your first line of alert in the event of your engine is experiencing detonation problems. This...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$32.93$33.95Save $1.02 (3%)
- Febi®Ignition Knock SensorToyota 4Runner 2021, Ignition Knock Sensor by Febi®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$19.45
- Toyota OEElectrical - Ignition System (Limited / Nightshade / SR5 / SR5 Premium / Trail / TRD Off-Road / TRD Off-Road Premium / TRD Pro / Venture)Toyota 4Runner 2021, Electrical - Ignition System by Toyota OE. There's no better way to make your Toyota look and perform the way it should than relying on genuine Toyota OE parts. Unlike many aftermarket parts, these are made with...Genuine Toyota OEM parts designed to fit perfectlyCrafted from high-grade materials to ensure superior quality$14.62 - $180.97
- MotoRad®Ignition Knock SensorToyota 4Runner 2021, Ignition Knock Sensor by MotoRad®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$165.29
