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Motorcraft SP509 1840 EIGHT PCS SPARK PLUG MOTORCRAFT SP509 FORD EXPEDITION LINCOLN NAVIGATOR V8 Review

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Average

Revainrating 3 out of 5  
Rating 
3.0
🧯 Ignition Parts, 🛠️ Replacement Parts

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Description of Motorcraft SP509 1840 EIGHT PCS SPARK PLUG MOTORCRAFT SP509 FORD EXPEDITION LINCOLN NAVIGATOR V8

Insist on Genuine OEM Parts for the Best Performance of your Vehicle. Offering the Quality, Reliability and Durability You'd Expect from OEM Parts. Research Applications Prior to Purchase To Make Sure This OEM Part Fits Your Vehicle, Including Engine, Drivetrain and Trim Level. This Listing is for 8 Spark Plugs. Replaces SP509 HJFS24FP. SP509X is the most current version of this plug.

Reviews

Global ratings 3
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Type of review

Revainrating 1 out of 5

Junk! Waste of Money!

As a result of using this product, I found that it caused my engine to misfire and run rough.The only positive thing is that they fit in the engine. The downside is that they lasted less than two weeks. i will never purchase again..

Pros
  • Long lasting and durable
Cons
  • Expensive compared to other spark plugs on the market

Revainrating 5 out of 5

Ford Genuine Spark Plugs

This is an original motorcycle spark plug. Old stubs with other fonts were made in Honduras until 2010. These spark plugs were assembled in Mexico City at the DF Ford plant. My Ford dealer stocked the exact same plugs with new fonts similar to those sold here at Revain. Folks, use proper anti-seize lubricant and torque ratio. These are great original candles! These are genuine Ford Motorcraft spark plugs. Use only Motorcraft commercial plugs and replace them every 95,000 miles in your 5.4 3V…

Pros
  • Replaces SP509 HJFS24FP. SP509X is the latest version of this fork.
Cons
  • confused

Revainrating 5 out of 5

Great product if you have new design cylinder heads

Use these on mid 2008 and newer 5.4 valve engines. Ford redesigned the heads on this engine to fix a bad spark plug issue. The new heads are great and were introduced in May 2008 for 5.4 3 valve engines. You can tell if you have new design heads by pulling on one of the coil packs. If the boot is brown, you're lucky, you've got new heads. If the boot is black, I am sorry to say that you have an old head design. This requires a different spark plug and you must be very careful when removing it…

Pros
  • Insist on genuine OEM parts for the best performance from your vehicle
Cons
  • Compatibility