--- product_id: 261588335 title: "NGK 6441 ZFR6FIX-11 Iridium IX Spark Plug, Pack of 4" brand: "ngk" price: "382.31 DT" currency: TND in_stock: true category: "Ngk" url: https://www.desertcart.tn/products/261588335-ngk-6441-zfr6fix-11-iridium-ix-spark-plug-pack-4 store_origin: TN region: Tunisia --- # 0.6mm laser-welded iridium tip for consistent spark High melting point iridium alloy for extreme durability Triple seal design to eliminate combustion gas leaks NGK 6441 ZFR6FIX-11 Iridium IX Spark Plug, Pack of 4 **Brand:** ngk **Price:** 382.31 DT **Availability:** ✅ In Stock ## Summary > ⚡ Ignite your drive with precision and power — don’t get left in the dust! ## Quick Answers - **What is this?** NGK 6441 ZFR6FIX-11 Iridium IX Spark Plug, Pack of 4 by ngk - **How much does it cost?** 382.31 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/261588335-ngk-6441-zfr6fix-11-iridium-ix-spark-plug-pack-4) ## Best For - ngk enthusiasts ## Why This Product - Trusted ngk brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Leak-Proof Power:** Triple gasket seal and tapered ground electrode prevent gas leaks and minimize spark quenching. - • **Endurance Engineered:** Iridium alloy withstands extreme heat and electrical wear, built to last in high-performance engines. - • **Throttle Response Boost:** Optimized design improves throttle sensitivity, giving you that instant acceleration edge. - • **Corrosion-Resistant Finish:** Trivalent metal plating ensures superior anti-corrosion and non-stick properties for long-term reliability. - • **Precision Ignition Mastery:** Laser-welded 0.6mm iridium tip delivers unmatched spark consistency for peak engine performance. ## Overview The NGK 6441 ZFR6FIX-11 Iridium IX Spark Plug pack of 4 is engineered for performance enthusiasts seeking extreme ignition reliability and durability. Featuring a 0.6mm laser-welded iridium tip, triple sealing to prevent gas leaks, and a corrosion-resistant finish, these spark plugs enhance throttle response and resist fouling, making them ideal for high-performance cars, trucks, and motorcycles. ## Description Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior fouling. The 0.6mm laser welded fine iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect. Longer insulator nose avoids fouling, the corrugated ribs on insulator avoids flashover, and a triple gasket seal eliminates combustion gas leakage. Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high-performance engines. Trivalent metal plating has superior corrosion and seizing properties. ## Features - Designed specifically for performance enthusiasts, Iridium IX offers extreme ignition, improved throttle response and anti-fouling. - 0.6mm laser welded iridium fine tip ensures high durability and constant spark and tapered ground electrode minimizes the effect of electric quenching - The longer insulating nose prevents clogging, wavy ribs on the insulator prevent flashover, and a triple seal eliminates flue gas leaks. - Iridium alloy has an extremely high melting point, which gives it great durability to heat and electrical wear, perfect for today's high-performance engines. - Trivalent metal plating provides superior anti-corrosion and non-stick properties; Spark plug part number inside the box: ZFR6FIX-11. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00CC0E6GA | | Automotive Fit Type | Universal Fit | | Brand Name | NGK | | Compatible with Vehicle Type | Car, Truck, Motorcycle, etc. | | Core Material | Iridium | | Country of Publication | Japan | | Customer Reviews | 4.8 4.8 out of 5 stars (819) | | Gap Size | 0.6 Millimeters | | Global Trade Identification Number | 00087295064412 | | Included Components | Other Vehicle Parts( AUTO_PART ),Replacement Parts - Underhood, Engine Management, spark-plugs | | Item Type Name | ZFR6FIX11 Iridium Plug | | Item Weight | 0.01 Ounces | | Manufacturer | NGK | | Manufacturer Part Number | 6441-4PK | | Model Number | 6441-4PK | | Thread Size | M10x1.0 or M12x1.25 | | Top Material Type | Metal | | UPC | 087295064412 | | Unit Count | 1 Count | ## Product Details - **Brand:** NGK - **Core material:** Iridium - **Thread size:** M10x1.0 or M12x1.25 - **Top material type:** Metal - **Vehicle service type:** Car, Truck, Motorcycle, etc. ## Images ![NGK 6441 ZFR6FIX-11 Iridium IX Spark Plug, Pack of 4 - Image 1](https://m.media-amazon.com/images/I/81lMBJ-5KgL.jpg) ## Available Options This product comes in different **Number Of Items** options. ## Frequently Bought Together - NGK 6441 ZFR6FIX-11 Iridium IX Spark Plug, Pack of 4 - ENA Set of 4 Ignition Coil Pack Compatible with Honda Civic 2001 2002 2003 2004 2005 Acura EL 2002 2003 2004 L4 1.7L Coils for UF307 UF400 UF512 5C1451 E1012 UF307 30520P8EA00 C1460 - A-Premium 2-PC Cabin Air Filter w/Activated Carbon Compatible with Honda & Acura Model - Civic (01-05), CR-V (02-06), Element (03-11), CSX (06), EL (97-00 02-05), RSX (02-06) --- ## 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.tn/products/261588335-ngk-6441-zfr6fix-11-iridium-ix-spark-plug-pack-4](https://www.desertcart.tn/products/261588335-ngk-6441-zfr6fix-11-iridium-ix-spark-plug-pack-4) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-07-14*