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⚡ Ignite your Ford’s potential with power and precision!
The UF646 Ignition Coil & SP534 Double Iridium Spark Plug set is a premium, vehicle-specific upgrade for 2011-2017 Ford and Lincoln 3.5L engines. Featuring six ignition coils and six double iridium spark plugs, this kit ensures superior cold-start performance, enhanced fuel efficiency, and long-lasting durability with up to 100,000 km lifespan. Designed for direct OE replacement, it offers easy installation, reduced engine misfires, and noise suppression, backed by a 1-year warranty and responsive customer support.






| Asin | B0D62FH8BT |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #657 in Automotive (See Top 100 in Automotive) #1 in Automotive Replacement Ignition Coils |
| Brand Name | X4XZ |
| Compatible With Vehicle Type | Truck |
| Connector Gender | Male |
| Customer Reviews | 4.5 4.5 out of 5 stars (3,432) 4.5 out of 5 stars |
| Included Components | Ignition Coil & Double Iridium Spark Plug |
| Installation Type | [Assumed] Screw-In or Bolt-On |
| Item Type Name | Ignition Coil & Double Iridium Spark Plug |
| Item Weight | 1.75 kg |
| Manufacturer | X4XZ |
| Manufacturer Part Number | X4XZ646+SP534 |
| Manufacturer Warranty Description | 1 YEAR |
| Model Number | UF621+SP530 |
| Number Of Items | 1 |
| Oem Equivalent Part Number | DG549, IC749, 2505-484814, BL3Z-12029-C, E1146, 673-6300, 5C1871, SP534, SP537, SP580, SP528, CYFS-12-Y3 |
| Part Interchange Info | UF646 can be used as a direct replacement for DG549, IC749, 2505-484814, BL3Z-12029-C, E1146, 673-6300, 5C1871, SP534, SP537, SP580, SP528, CYFS-12-Y3 ignition coils in Ford and Lincoln vehicles with 3.5L engines, such as the Ford Expedition (2015-2017), Ford Explorer (2013-2017), Ford F-150 (2011-2015), Ford Flex (2013-2015), Ford Police Interceptor Sedan (2015-2017), Ford Police Interceptor Utility (2015-2017), Ford Taurus (2013-2015), Ford Transit-150 (2015-2017), Ford Transit-250 (2015-2017), Ford Transit-350 (2015-2017), Ford Transit-350 HD (2015-2017), Lincoln MKS (2013-2015), Lincoln MKT (2013-2015), and Lincoln Navigator (2015-2017). |
| Unit Count | 12 Count |
User
Easy to install
I replaced my old ignition coils and spark plugs with this set, and I noticed a big difference in how my car runs. The engine starts smoothly, and the rough idle I was having is gone. The parts fit perfectly and seemed well-made. Installation was straightforward, and everything worked right away. This was a good replacement option and saved me money compared to going to a repair shop.
User
Incredible Value and Quality for the Price
2014 Infiniti Q50 3.7L V6 - perfect replacement parts. Install took about an hour. The car was at 147K miles and had been running on the original spark plugs and coil packs when either a plug or coil failed. With the installation of these new parts, engine power has been restored and idle is smooth. I have also noticed improved fuel efficiency and acceleration. These parts are identical to the OEM parts in appearance. The complete set of plugs and coils for the price is incredible! All is well now. The only unanswered question is how long these replacement parts will last. Even if I only get 50K miles out of them, they are well worth the price. I highly recommend.
User
Great alternative to OEM
Perfect fit. Easy to install. Works great
User
Excellent
Everything works great fast and fits just right thank
User
Runs like a top.
First off the 4 stars is because I just installed them in to my Trailblazer. Will update after a month if they're still working as good as they are now. Th motor runs great now no miss at all. Price was very good. 1/4th the cost of one of the big box auto parts stores.
User
So far - good fix and quality
Seller gives good product technical details, seems to have been in business for a while, claims OE specs and has mostly favorable reviews. I am a mechanic. OEM Bosch for my Jetta was over $200 for plugs and coil packs. Taking a chance on these at $64.00. Initial quality and performance are good and fixed my EPC light issue and drives better. Time will tell. Will update with any concerns. So far I would recommend these.
User
Made my truck go
Easy installation, none missing and all worked. I'd say that's worth 5 stars
User
Works and fit great
It did a great job fix my cylinder misfiring issue I don’t know how long is going to last but is working and for what i paid is worth it
User
Funcionan como deben
Las instale hace 2 semanas, hasta ahora trabajan muy bien.
User
Super fast delivery
Excellent product, excellent price and came on the exact day they forecast.
User
Sirve para trailblazer 2005
Excelente producto 100% recomendable
User
RAPIDA ENTREGA
EXELENTE PRECIO Y RAPIDEZ EN ENTREGA , TODAVIA NO LAS INSTALO.
User
Recomendado
Excelente calidad, se noto la diferencia al cambiar las bobinas dañadas por las nuevas.RECOMENDADO
Trustpilot
2 months ago
3 weeks ago