MotorcraftConfirm fit by VIN

Spark plug

Name: Motorcraft SP-578 Spark plug
Brand: Motorcraft
SKU: SP-578

#SP-578

Listed in Ford's Motorcraft table for the 3.5 EcoBoost. The other F-150 engines use different plugs. Sold singly.

Fits these vehicles

Ford F-150 13th gen (P552) (2015–2020)
3.5 L twin-turbo V6 (3.5 EcoBoost)

Check before you buy: trims and mid-year changes can affect fit. Enter your VIN or registration at the retailer to confirm, and compare the OEM number on your old part.