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Spark Plug Motorcraft SP-421 fits 2006 Ford F-550 Super Duty 6.8L-V10

4.7924 product ratings
Eva's Surplus (1378)
97.8% positive feedback
Price:
$8.99
Free shipping
Estimated delivery Fri, May 23 - Fri, May 30
Returns:
No returns, but backed by eBay Money back guarantee.
Condition:
New
Motorcraft SP421 Spark Plug. Condition is New. Shipped with Standard Shipping.

About this product

Product Identifiers

BrandMotorcraft
Manufacturer Part NumberSP-421
eBay Product ID (ePID)75596319

Additional Product Features

NotesDescription--Spark Plug
Part TypeSecondary Ignition
Sub TypeSpark Plug

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Ratings and Reviews

Learn more
4.8
24 product ratings
  • 22 users rated this 5 out of 5 stars
  • 1 users rated this 4 out of 5 stars
  • 0 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 1 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

See all 22 reviews
  • by hjoe7967-twj5gdpw
    Oct 12, 2024

    Fast shipping looks to be the right part but have not installed yet

    It looks to be the right part

    Verified purchase: YesCondition: New

  • by jejoh389547
    Mar 22, 2025

    Unbelievable price

    Got great price for quality parts

    Verified purchase: YesCondition: New

  • by man.1ibsj0jtm
    Apr 13, 2025

    Tks i love quality ...

    Tks i love quality

    Verified purchase: YesCondition: New

  • by deepsouthbayoudiesel
    Sep 04, 2024

    These look almost like genuine motorcraf...

    These look almost like genuine motorcraft plugs and they were easy to install and perform quite well. Thanks a million ☺️👍

    Verified purchase: YesCondition: New

  • by jwa4wa_rkuibgcza
    May 13, 2025

    Great product!!

    Works perfectly! Fits perfectly!!

    Verified purchase: YesCondition: New

  • by bernabroble0
    Aug 16, 2021

    Spar plugs very good

    Good price

    Verified purchase: YesCondition: New

  • by luiobreg-jnfp1fp
    Aug 17, 2021

    Great product

    Verified purchase: YesCondition: New

  • by sanjoesan
    Jun 03, 2024

    Did not have spark plugs. Only got half the order

    Did not have spark plugs. Only got half the order

    Verified purchase: YesCondition: New

  • by haha9154_ccn1lcp
    Jan 21, 2025

    Awesome Plugs👍

    It works perfectly and makes my F150 rides smoothly

    Verified purchase: YesCondition: New

  • by blatant10
    Aug 10, 2021

    Great Buy

    As advertised --

    Verified purchase: YesCondition: New

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