NGK 3784
NGK part number 3784 is a spark plug in the Ignition system. This catalog matches it to 23 year-and-engine configurations from 2004 to 2020.
Verified fitment includes 2020 Toyota Corolla 1.8L L4 ELECTRIC/GAS ; 2020 Toyota Prius Prime 1.8L L4 ELECTRIC/GAS ; 2019 Toyota Prius 1.8L L4 ELECTRIC/GAS ; 2019 Toyota Prius Prime 1.8L L4 ELECTRIC/GAS ; 2018 Toyota Prius 1.8L L4 ELECTRIC/GAS , plus 18 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is NGK 3784?
NGK part number 3784 is a spark plug with published application data for 23 vehicle configurations from 2004 to 2020. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does NGK 3784 fit?
This catalog matches 3784 to 23 year-and-engine configurations from 2004 to 2020. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is NGK 3784 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. NGK 3784 is listed with its manufacturer part number so you can compare it to an OEM number or another brand that covers the same fitment.
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