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โก Ignite your Fordโs full potential with precision power!
This MAS set includes 8 high-performance ignition coils and 8 OEM Motorcraft SP509 platinum spark plugs, designed as direct replacements for Ford Super Duty 6.8L V10 engines (2008-2019). Engineered for easy bolt-on installation and backed by a 1-year limited warranty, this pack ensures reliable ignition and optimal engine performance across multiple Ford F-Series models.


















| ASIN | B07CF38M4Q |
| Best Sellers Rank | #79,285 in Automotive ( See Top 100 in Automotive ) #271 in Automotive Replacement Ignition Coil Packs |
| Brand Name | MAS |
| Compatible with Vehicle Type | fd 509 |
| Connector Gender | Male-to-Female |
| Customer Reviews | 4.2 4.2 out of 5 stars (705) |
| Installation Type | Bolt-On |
| Item Weight | 2.28 Kilograms |
| Manufacturer | King Auto Parts |
| Part Interchange Info | C1659, DG 521, FD-509, 5C1716, 8L3Z12029A / 8L3Z-12029-A, C1659, GN10233, 5C1716, E509, 52-2071, IC697, 8L3Z-12029-A, HJFS-24FP, SP-509, SP509 |
| UPC | 716253448529 |
H**R
Very good and works great
The quality is above standard
L**R
Not Motorcraft coils! Read info.
Thought coils where motorcraft! That's on me for not reading the info on parts. I would not had purchased if I caught this! Already # 7 coil is having issues less than 1000 miles. China specials.. I will get motorcraft and reinstall. On time delivery !! King auto parts did reach out to resolve the issue, all is good tks for your support. Once again my issue, for not reviewing the parts before ordering.
M**N
Excellent
Excellent purchase great value definitely a good experience
D**U
MAS Ignition Coil Set (DG521) and Motorcraft Spark Plugs (SP-509)--Don't be fooled by affordability
I gave the MAS Ignition Coil Set a chance to repair some coils that went out on my 2013 Expedition EL because they looked like they would fit and had a healthy 4-star review. The good part of the set is that they're a direct fit for OEM. There are major bad parts about this set though. First, the boots are slightly too large in diameter--while this gives a very good seal in the spark plug well, it makes them difficult to remove. Second, they're lighter and louder than OEM. That may be a non-issue, but you definitely hear the clicking of the coils every time it sparks. Last, the SP-509s are fake. The engraving is etched, not stamped; the numbering is centered on the hex flats instead of near the edge; and the blue printing can be scraped off by a fingernail. The spark plug boxes look legit though--very good job of a fake product. Too bad I didn't realize this until after the return period. What does this do? Well, I assume the parts are failing slowly in the engine, and my usual 15/16 mpg has fallen to 12/13 consistently over 2 months. I think I'm going to take them out and get the real parts before something explodes in my engine. Save your money and get some OEM parts.
R**S
Great product
Worked great
A**R
Already had a faulty coil but has a 1 year warranty
I just bought this July 19th and already have a misfire and it was done professionally. The ignition coil was swapped to other pistons and the problem followed. Thankfully the company reached out to me and sent me new ones and it has a 1 year warranty to cover their product.
T**Y
easy install
worked well
W**R
Misfiring
It eliminated the misgivings that causing to downshift whic Iโve over $8,000 for new transmission & new driveshaft because the shop didnโt do any diagnostic.
A**R
No problems here. Arrived safely and quickly. Installed with new plugs and works great.
D**D
Work great! Arrived quick, exactly as described.
T**S
About half of them failed after 2 days. Not worth it. Go and get oem from a dealership or auto store
Trustpilot
3 weeks ago
2 days ago