Equivalents for the Motorcraft spark plug SP-550
The Motorcraft SP-550 spark plug. Browse its 76 equivalents: compatible, interchangeable and replacement spark plugs across NGK, Bosch, Champion, Denso and many more.
Buy this spark plug Motorcraft SP-550 — best retailers
Partner links: a purchase made through these links may earn us a commission, at no extra cost to you.
76 equivalents compatible with the Motorcraft SP-550 spark plug
No equivalent for this brand selection.
What can replace a Motorcraft SP-550 spark plug?
The Motorcraft SP-550 is interchangeable with: NGK ILTR7N8, Bosch HR7NI332W, Champion CCH9016, NGK ILTR6G8G, NGK ILTR6H8G, NGK ILTR6A-8G. These spark plugs share the same mounting (thread, seat) and heat range.
Cross-references and specifications are provided for guidance only. The wrench size can vary by brand, and some data is inferred from the plug code or an equivalent reference. Always check the vehicle manufacturer's recommendation before buying and fitting.