NGK 6578
NGK part number 6578 is a spark plug in the Ignition system. This catalog matches it to 54 year-and-engine configurations from 1964 to 1990.
Verified fitment includes 1990 Buick Electra 3.8L 231cid V6 ; 1983 Bentley Mulsanne 6.8L V8 ; 1983 Bentley Mulsanne 6.8L V8 Turbocharged ; 1983 Jeep Cherokee 5.9L 360cid V8 ; 1981 Bentley Mulsanne 6.8L V8 , plus 49 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is NGK 6578?
NGK part number 6578 is a spark plug with published application data for 54 vehicle configurations from 1964 to 1990. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does NGK 6578 fit?
This catalog matches 6578 to 54 year-and-engine configurations from 1964 to 1990. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is NGK 6578 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. NGK 6578 is listed with its manufacturer part number so you can compare it to an OEM number or another brand that covers the same fitment.
AutoFactsDB is reader-supported. As an Amazon Associate, we earn from qualifying purchases made through links on this page — at no extra cost to you.
Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.