--- product_id: 619367403 title: "Double Iridium Spark Plug Compatible with Ford F-150 2004-2008, F-250/F-350 Super Duty Expedition 2005-2008 & Lincoln Navigator 2005-2008, Mark LT 2006-2008, 5.4L, Pack of 8" brand: "a-premium" price: "S$103" currency: SGD in_stock: true reviews_count: 8 category: "A Premium" url: https://www.desertcart.sg/products/619367403-double-iridium-spark-plug-compatible-with-ford-f-150-2004 store_origin: SG region: Singapore --- # Double Iridium Electrodes for max spark Precision 0.56 inch hex size fit 100K-120K mile longevity Double Iridium Spark Plug Compatible with Ford F-150 2004-2008, F-250/F-350 Super Duty Expedition 2005-2008 & Lincoln Navigator 2005-2008, Mark LT 2006-2008, 5.4L, Pack of 8 **Brand:** a-premium **Price:** S$103 **Availability:** ✅ In Stock ## Summary > ⚡ Ignite your drive with unstoppable power and precision! ## Quick Answers - **What is this?** Double Iridium Spark Plug Compatible with Ford F-150 2004-2008, F-250/F-350 Super Duty Expedition 2005-2008 & Lincoln Navigator 2005-2008, Mark LT 2006-2008, 5.4L, Pack of 8 by a-premium - **How much does it cost?** S$103 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/619367403-double-iridium-spark-plug-compatible-with-ford-f-150-2004) ## Best For - a-premium enthusiasts ## Why This Product - Trusted a-premium brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Long-Haul Reliability:** Designed to last 100,000+ miles, keeping your engine firing strong mile after mile. - • **Precision Engineering:** 0.56 inch hex size and 2.51 mm insulator height ensure flawless installation and performance. - • **Unmatched Ignition Power:** Double iridium tips engineered for superior spark and fuel efficiency. - • **Perfect OEM Compatibility:** Seamlessly fits Ford F-150, F-250/F-350 Super Duty, Expedition, Lincoln Navigator & Mark LT 5.4L engines. - • **Warranty-Backed Confidence:** One-year unlimited mileage guarantee for peace of mind on every drive. ## Overview A-Premium Double Iridium Spark Plugs deliver OEM-grade ignition performance with durable iridium electrodes, engineered specifically for Ford and Lincoln 5.4L V8 engines from 2004-2008. Offering exceptional longevity up to 120,000 miles and precise fitment, these plugs ensure reliable starts, improved fuel efficiency, and reduced maintenance frequency—all backed by a one-year unlimited mileage warranty. ## Description Buy A-Premium Double Iridium Spark Plug Compatible with Ford F-150 2004-2008, F-250/F-350 Super Duty Expedition 2005-2008 & Lincoln Navigator 2005-2008, Mark LT 2006-2008, 5.4L, Pack of 8: Spark Plugs - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Great product - Could and plugs have 25000 miles on them with out any problems Review: Product worked as expected - The work great! ## Features - [Reference Number]: A-Premium Spark Plugs fit for SP-546, SP-515, PZK14F, PZH14F, SP507 - [Vehicle Fitment-1]: Compatible with F-150 spark plugs; Compatible with Ford Expedition 2005-2007 V8 5.4L, Expedition 2008 V8 5.4L, compatible with F-150 2004-2007 V8 5.4L, compatible with F-150 2008 V8 5.4L, compatible with F-250 Super Duty 2005-2008 V8 5.4L, compatible with F-350 Super Duty 2007-2008 V8 5.4L, compatible with F-350 Super Duty 2005-2006 V8 5.4L; Compatible with Lincoln Mark LT 2006-2008 V8 5.4L, Navigator 2005-2008 V8 5.4L - [Specifications]: ①Center Electrode Tip Material: Iridium; ②Center Electrode Core Material: Iridium; ③ Hex Size (IN): 0.56; ④ Insulator Height (mm): 2.51 - [Exceptional Ignitability]: Designed alongside OEMs and engineered for maximum ignition performance - [Extensive Mileage Range]: For optimal engine performance and longevity, it is recommended to replace double iridium spark plugs at mileage intervals of 100,000 to 120,000 miles ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CNH4W2FR | | Best Sellers Rank | #218,581 in Automotive ( See Top 100 in Automotive ) #1,402 in Automotive Replacement Spark Plugs | | Brand Name | A-Premium | | Compatible with Vehicle Type | Truck, SUV | | Core Material | Platinum | | Customer Reviews | 4.2 4.2 out of 5 stars (58) | | Gap Size | 0.56 Inches | | Manufacturer | PremiumpartsWhosale | | Manufacturer Part Number | APSP271 | | Manufacturer Warranty Description | One Year Unlimited Mileage Quality Guarantee. | | Thread Size | 0.56 inches | | Top Material Type | Iridium | ## Product Details - **Brand:** A-Premium - **Core Material:** Platinum - **Thread Size:** 0.56 inches - **Top Material Type:** Iridium - **Vehicle Service Type:** Truck, SUV ## Images ![Double Iridium Spark Plug Compatible with Ford F-150 2004-2008, F-250/F-350 Super Duty Expedition 2005-2008 & Lincoln Navigator 2005-2008, Mark LT 2006-2008, 5.4L, Pack of 8 - Image 1](https://m.media-amazon.com/images/I/71uPiI+vIGL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great product *by K***N on March 12, 2026* Could and plugs have 25000 miles on them with out any problems ### ⭐⭐⭐⭐⭐ Product worked as expected *by R***R on October 14, 2025* The work great! ### ⭐⭐⭐⭐⭐ Works good for less money *by J***. on April 14, 2025* Works just fine and great price! ## Frequently Bought Together - A-Premium Double Iridium Spark Plug Compatible with Ford F-150 2004-2008, F-250/F-350 Super Duty Expedition 2005-2008 & Lincoln Navigator 2005-2008, Mark LT 2006-2008, 5.4L, Pack of 8 - Marsram Ignition Coil Pack FD508 for 2004 2005 2006 2007 2008 Ford F150 Expedition Explorer F350 F250 F450 Super Duty Mustang 5.4L 4.6L Lincoln Navigator Mark LT 6.8L V8 V10 for DG511 8pcs --- ## 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.sg/products/619367403-double-iridium-spark-plug-compatible-with-ford-f-150-2004](https://www.desertcart.sg/products/619367403-double-iridium-spark-plug-compatible-with-ford-f-150-2004) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-05-25*