Motorcraft SP-411 Spark Plug

These are the same spark plugs that came with my 2010 Ford Edge. I was doing some maintenance and since the originals had near 150,000 miles, I thought that it was time. The original sparkplugs had obvious wear. I think that 100,000 miles would have been a better change interval. The new plugs arrived pre-gapped. I'd double check just to be safe. Some folks might opt for the more expensive iridium plugs, but these oem are all you need.

Good plugs, fair price and delivered to the door. Just check the gap, a little off like most are.

Since Ford has a major hand in production of Mazda cars it’s common to see FoMoCo branded parts in the engine bay if you look closely enough. Original equipment and accelerates smoothly with no misfires. Just remember to gap the plug down to .030 for Mazdaspeed 3/6/CX7 MZR 2.3 turbo engines and should have no issues.

I can’t answer on longevity yet because it’s only been two weeks. And I feel like I have a misfire but it’s way better than it was. I had to change the coil packs too so it could be anything. These are great quality though.

Ordered these for my Taurus, replaced them and the car runs like new. Exactly what I expected from a Motorcraft part. However, be sure to check the manufacturer part number on the box. Amazon put the incorrect pick tag on the box and I got four incorrect plugs. Amazon tag said SP-411 but the label on the box said SP-417. Be sure to double check your parts before tearing apart your car! Aside from that *small* issue, Amazon was great and I was able to return the incorrect plugs.