--- product_id: 653861630 title: "X4XZ UF646 Ignition Coil & SP534 Double Iridium Spark Plug for 11-17 Ford F-150 Explorer Expedition Taurus Transit-150 250 350/Lincoln MKS MKT Navigator V6 3.5L Replaces# BL3Z12029C DG549 C1814 5C1871" brand: "x4xz" price: "₨4269" currency: SCR in_stock: true reviews_count: 5 category: "X4 Xz" url: https://www.desertcart.sc/products/653861630-x4xz-uf646-ignition-coil-and-sp534-double-iridium-spark-plug store_origin: SC region: Seychelles --- # High-voltage ignition coil Double iridium spark plugs Direct OE fit & easy install X4XZ UF646 Ignition Coil & SP534 Double Iridium Spark Plug for 11-17 Ford F-150 Explorer Expedition Taurus Transit-150 250 350/Lincoln MKS MKT Navigator V6 3.5L Replaces# BL3Z12029C DG549 C1814 5C1871 **Brand:** x4xz **Price:** ₨4269 **Availability:** ✅ In Stock ## Summary > ⚡ Ignite your ride with unstoppable power and precision! ## Quick Answers - **What is this?** X4XZ UF646 Ignition Coil & SP534 Double Iridium Spark Plug for 11-17 Ford F-150 Explorer Expedition Taurus Transit-150 250 350/Lincoln MKS MKT Navigator V6 3.5L Replaces# BL3Z12029C DG549 C1814 5C1871 by x4xz - **How much does it cost?** ₨4269 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/653861630-x4xz-uf646-ignition-coil-and-sp534-double-iridium-spark-plug) ## Best For - x4xz enthusiasts ## Why This Product - Trusted x4xz brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Noise-Free Drive:** Built-in ferrite noise suppressor ensures interference-free radio and electronics. - • **Hassle-Free Upgrade:** Plug-and-play installation with premium materials designed to resist heat and wear. - • **Seamless Compatibility:** Perfect fit for 3.5L Ford & Lincoln turbo engines (2011-2017 models) — no guesswork needed. - • **Precision Engine Revival:** Restore peak power and smooth idle with OE-matched ignition coils and spark plugs. - • **Long-Lasting Spark Performance:** Double iridium plugs deliver up to 100,000 km of consistent, stable ignition. ## Overview The X4XZ UF646 Ignition Coil & SP534 Double Iridium Spark Plug set is engineered for 3.5L turbocharged Ford and Lincoln engines (2011-2017). Featuring premium ignition coils with noise suppression and ultra-durable double iridium spark plugs, this kit ensures reliable cold starts, smoother engine performance, and long-lasting spark consistency up to 100,000 km. Designed as a direct OE replacement, it offers easy installation and superior durability for trucks and SUVs like the Ford F-150, Explorer, Expedition, and Lincoln Navigator. ## Description Manufacturer Part Number: UF646+SP534 Replacement Part Number: DG549, IC749, 2505-484814, BL3Z-12029-C, E1146, 673-6300, 5C1871, SP534, SP537, SP580, SP528, CYFS-12-Y3 Compatible with the following vehicles: For 2015-2017 Ford Expedition 3.5L Turbo For 2013-2017 Ford Explorer 3.5L Turbo For 2011-2015 Ford F-150 3.5L Turbo For 2013-2015 Ford Flex 3.5L Turbo For 2015-2017 Ford Police Interceptor Sedan 3.5L Turbo For 2015-2017 Ford Police Interceptor Utility 3.5L Turbo For 2013-2015 Ford Taurus 3.5L Turbo For 2015-2017 Ford Transit-150 3.5L Turbo For 2015-2017 Ford Transit-250 3.5L Turbo For 2015-2017 Ford Transit-350 3.5L Turbo For 2015-2017 Ford Transit-350 HD 3.5L Turbo For 2013-2015 Lincoln MKS 3.5L Turbo For 2013-2015 Lincoln MKT 3.5L Turbo For 2015-2017 Lincoln Navigator 3.5L Turbo Review: 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 Review: It'll work ok - It worked but you can tell it's not OEM quality. ## Features - ✔Compatible with: For 2015-2017 Ford Expedition 3.5L丨2013-2017 Ford Explorer 3.5L丨2011-2015 Ford F-150 3.5L丨2013-2015 Ford Flex 3.5L丨2015-2017 Ford Police Interceptor Sedan 3.5L丨2015-2017 Ford Police Interceptor Utility 3.5L丨2013-2015 Ford Taurus 3.5L丨2015-2017 Ford Transit-150 3.5L丨2015-2017 Ford Transit-250 3.5L丨2015-2017 Ford Transit-350 3.5L丨2015-2017 Ford Transit-350 HD 3.5L. For 2013-2015 Lincoln MKS 3.5L丨2013-2015 Lincoln MKT 3.5L丨2015-2017 Lincoln Navigator 3.5L. Please see the second main picture for more vehicles before purchase. - ✔Excellent Function: A faulty ignition coil & spark plug may result in engine misfire, rough engine idle, decrease in power, poor fuel economy etc. Every component either matches or improves on the OE design to ensure fast and easy installation with superior performance and reliability, to provide superior cold-start performance and a smoother running engine. - ✔High-quality: The spark plug is double iridium spark plug, have a much longer working life, can work 100000 kilometers, consistent and stable spark. The ignition coil made of premium quality materials, stainless-steel spring with internal ferrite noise suppressor prevents radio frequency interference, advanced thermoplastic coil connector ensures proper connection and resists fractures caused by heat and thermai cycling, to better transfer the high voltage created by the engine‘s spark plug. - ✔OE# UF646&SP534. Replace# DG549, IC749, 2505-484814, BL3Z-12029-C, E1146, 673-6300, 5C1871, SP534, SP537, SP580, SP528, CYFS-12-Y3. Package included: Ignition Coil Packs x6, Double Iridium Spark Plug x6. Not included instruction manual, easy to install. - ✔After-Sales Service: We offer 24 hours customer service and 1 year product service, If you are encounter product installation, product quality and other problems, please feel free to contact us. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D62FH8BT | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #104,926 in Automotive ( See Top 100 in Automotive ) #191 in Car Ignition Coils | | Brand | X4XZ | | Brand Name | X4XZ | | Compatible with Vehicle Type | Truck | | Connector Gender | Male | | Connector gender | Male | | Customer Reviews | 4.1 out of 5 stars 45 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 | | 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 Util… | | Vehicle service type | Truck | ## Product Details - **Brand:** X4XZ - **Connector gender:** Male - **Installation type:** [Assumed] Screw-In or Bolt-On - **Item weight:** 1.75 Kilograms - **Vehicle service type:** Truck ## Images ![X4XZ UF646 Ignition Coil & SP534 Double Iridium Spark Plug for 11-17 Ford F-150 Explorer Expedition Taurus Transit-150 250 350/Lincoln MKS MKT Navigator V6 3.5L Replaces# BL3Z12029C DG549 C1814 5C1871 - Image 1](https://m.media-amazon.com/images/I/71L0rRGdDjL.jpg) ![X4XZ UF646 Ignition Coil & SP534 Double Iridium Spark Plug for 11-17 Ford F-150 Explorer Expedition Taurus Transit-150 250 350/Lincoln MKS MKT Navigator V6 3.5L Replaces# BL3Z12029C DG549 C1814 5C1871 - Image 2](https://m.media-amazon.com/images/I/71EkMKpGaOL.jpg) ![X4XZ UF646 Ignition Coil & SP534 Double Iridium Spark Plug for 11-17 Ford F-150 Explorer Expedition Taurus Transit-150 250 350/Lincoln MKS MKT Navigator V6 3.5L Replaces# BL3Z12029C DG549 C1814 5C1871 - Image 3](https://m.media-amazon.com/images/I/71VRqXY-oAL.jpg) ![X4XZ UF646 Ignition Coil & SP534 Double Iridium Spark Plug for 11-17 Ford F-150 Explorer Expedition Taurus Transit-150 250 350/Lincoln MKS MKT Navigator V6 3.5L Replaces# BL3Z12029C DG549 C1814 5C1871 - Image 4](https://m.media-amazon.com/images/I/815Ndsc5D6L.jpg) ![X4XZ UF646 Ignition Coil & SP534 Double Iridium Spark Plug for 11-17 Ford F-150 Explorer Expedition Taurus Transit-150 250 350/Lincoln MKS MKT Navigator V6 3.5L Replaces# BL3Z12029C DG549 C1814 5C1871 - Image 5](https://m.media-amazon.com/images/I/71JN4nrgNYL.jpg) ## Available Options This product comes in different **Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Slight stumble, lower MPG. Good for the price *by W***D on 17 July 2026* 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 ### ⭐⭐⭐⭐ It'll work ok *by D***. on 7 July 2026* It worked but you can tell it's not OEM quality. ### ⭐⭐⭐⭐⭐ Works great and is cheaper than AutoZone *by K***N on 9 June 2026* Easy to install! Works perfectly. I miss Fire is gone. ## Frequently Bought Together - UF646 Ignition Coil & SP534 Double Iridium Spark Plug for 11-17 Ford F-150 Explorer Expedition Taurus Transit-150 250 350/Lincoln MKS MKT Navigator V6 3.5L Turbo BL3Z12029C DG549 C1814 5C1871 - Permatex 22058 Dielectric Tune-Up Grease, 3oz. - High Performance Dielectric Grease Used To Protect Terminals, Spark Plugs, Wiring And Other Electrical Connections Against Salt, Dirt, And Corrosion - LEXIVON 5/8" Swivel Magnetic Spark Plug Socket, 3/8" Drive x 10" Total Length | Enhanced Magnetic Design with Thin Wall Socket, Cr-v Steel (LX-122) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sc/products/653861630-x4xz-uf646-ignition-coil-and-sp534-double-iridium-spark-plug](https://www.desertcart.sc/products/653861630-x4xz-uf646-ignition-coil-and-sp534-double-iridium-spark-plug) --- *Product available on Desertcart Seychelles* *Store origin: SC* *Last updated: 2026-08-11*