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โก Ignite your drive with unstoppable power and precision!
The X4XZ UF646 Ignition Coil & SP534 Double Iridium Spark Plug set is a direct OE replacement designed for 3.5L turbocharged Ford and Lincoln V6 engines from 2011-2017. Featuring high-quality ignition coils with ferrite noise suppression and ultra-durable double iridium spark plugs rated for 100,000 km, this combo ensures smoother engine starts, improved fuel efficiency, and reliable performance. Perfect for professionals seeking a seamless upgrade that blends durability with precision engineering.







| ASIN | B0D62FH8BT |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #7,185 in Automotive ( See Top 100 in Automotive ) #229 in Car Ignition Coils |
| Brand | X4XZ |
| Brand Name | X4XZ |
| Compatible with Vehicle Type | Truck |
| Connector Gender | Male |
| Connector gender | Male |
| Customer Reviews | 4.2 out of 5 stars 46 Reviews |
| Included Components | Ignition Coil & Double Iridium Spark Plug |
| Installation Type | [Assumed] Screw-In or Bolt-On |
| Installation type | [Assumed] Screw-In or Bolt-On |
| Item Type Name | Ignition Coil & Double Iridium Spark Plug |
| Item Weight | 1.75 Kilograms |
| Item weight | 1.75 Kilograms |
| Manufacturer | X4XZ |
| Manufacturer Part Number | UF646+SP534 |
| 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 Utilโฆ |
| Vehicle service type | Truck |
W**D
Slight stumble, lower MPG. Good for the price
If you're getting these for your F-150, keep in mind to keep your gap close on your plugs. These have worked really well but I did notice a little stumble + my gas mileage is not as good but for the price they're a good product and I would recommend them
D**.
It'll work ok
It worked but you can tell it's not OEM quality.
K**N
Works great and is cheaper than AutoZone
Easy to install! Works perfectly. I miss Fire is gone.
Y**T
Fast shipping corrected a dead miss issue
Work perfectly on 2016 explorer
G**H
Spark Plugs not SP534 OE Motorcraft equivalent- would not buy again
Would not buy again. Seller representing plugs as motorcraft ... >> & SP534 Double Iridium Spark Plug for 2011-2017 Ford | F-150 Explorer Transit-150 250 350 Expedition Taurus/Lincoln Navigator MKT MKS V6 3.5L Turbo<< Plugs are made in china, "not a branded motorcraft" Sp534 or Sp580 replacement Motorcraft equivalent. Coils are as represented UF646 and I am happy with coil pn# UF646 quality, mfg China, USA, Poland. Asked seller (Amazon?) for partial plug credit /refund $20-30, to return plugs no response, or answer. Lesson learned.
Trustpilot
2 weeks ago
1 week ago