--- product_id: 56139604 title: "NGK 93911 LKR7AIX Iridium IX Spark Plug, Pack of 4" brand: "ngk" price: "$86.93" currency: USD in_stock: true reviews_count: 13 category: "Ngk" url: https://www.desertcart.us/products/56139604-ngk-93911-lkr7aix-iridium-ix-spark-plug-pack-of-4 store_origin: US region: United States of America --- # 0.6mm Iridium tip for extreme ignitability High melting point Iridium alloy for heat durability Triple gasket seal prevents combustion gas leakage NGK 93911 LKR7AIX Iridium IX Spark Plug, Pack of 4 **Brand:** ngk **Price:** $86.93 **Availability:** ✅ In Stock ## Summary > ⚡ Ignite your ride with precision and power – don’t get left behind! ## Quick Answers - **What is this?** NGK 93911 LKR7AIX Iridium IX Spark Plug, Pack of 4 by ngk - **How much does it cost?** $86.93 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/56139604-ngk-93911-lkr7aix-iridium-ix-spark-plug-pack-of-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 Design:** Triple gasket seal and corrugated insulator ribs eliminate flashover and combustion gas leaks. - • **Anti-Seize Assurance:** Trivalent metal plating ensures easy installation and removal without thread damage. - • **Endurance Engineered:** Iridium alloy withstands extreme heat and electrical wear for long-lasting performance. - • **Precision Ignition Power:** Laser-welded 0.6mm Iridium tip delivers unmatched spark stability and throttle response. - • **Universal High-Performance Fit:** Compatible with a wide range of vehicles from watercraft to street sport motorcycles. ## Overview The NGK 93911 LKR7AIX Iridium IX Spark Plug pack of 4 is engineered for performance enthusiasts seeking extreme ignitability and durability. Featuring a laser-welded 0.6mm Iridium tip, a high melting point alloy, and a triple gasket seal, it ensures stable sparks, improved throttle response, and prevents combustion gas leakage. Designed for universal fit across multiple vehicle types, it combines cutting-edge materials and design for reliable, long-lasting engine performance. ## Description Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response. 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 , the corrugated ribs on insulator prevents 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 - superior anti-seizing properties. ## Features - Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response - 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, the corrugated ribs on insulator prevents 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 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01DMFGQ52 | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #1,136,966 in Automotive ( See Top 100 in Automotive ) #5,912 in Automotive Replacement Spark Plugs | | Brand | NGK | | Brand Name | NGK | | Compatible with Vehicle Type | Watercraft, all-terrain-vehicles, off-road-motorcycles, snowmobiles, street-cruiser-motorcycles, street-motor-scooters, street-sport-motorcycles, street-touring-motorcycles | | Core Material | Iridium | | Customer Reviews | 4.4 out of 5 stars 289 Reviews | | Global Trade Identification Number | 00087295839119 | | Included Components | NGK (93911-4PK) LKR7AIX Iridium IX Spark Plug, Box of 4 | | Item Weight | 0.4 Pounds | | Manufacturer | NGK | | Manufacturer Part Number | 93911-4PK | | Manufacturer Warranty Description | Includes manufacturer provided warranty | | Model Number | 93911-4PK | | OEM Equivalent Part Number | 93911-4PK | | Thread Size | 12mm x 26.5mm | | Top Material Type | Metal | | UPC | 087295839119 | | Unit Count | 4.0 Count | | Vehicle Service Type | Watercraft, all-terrain-vehicles, off-road-motorcycles, snowmobiles, street-cruiser-motorcycles, street-motor-scooters, street-sport-motorcycles, street-touring-motorcycles Vehicle Service Type Watercraft, all-terrain-vehicles, off-road-motorcycles, snowmobiles, street-cruiser-motorcycles, street-motor-scooters, street-sport-motorcycles, street-touring-motorcycles See more | ## Product Details - **Brand:** NGK - **Core Material:** Iridium - **Thread Size:** 12mm x 26.5mm - **Top Material Type:** Metal ## Images ![NGK 93911 LKR7AIX Iridium IX Spark Plug, Pack of 4 - Image 1](https://m.media-amazon.com/images/I/61mhf2QF-lL.jpg) ## Questions & Answers **Q: What is the correct torque on these?** A: Sorry I don't know, but like with any spark plug, just snug them down. They aren't going anywhere **Q: Are these plugs pre gaped?** A: You must always check the gap on spark plug replacements against recommended gap for that specific plug. Even plugs that are pre-gapped can have discrepancies due to shipping and handling. - worked at a auto parts store for years **Q: Will this fit perfect in my 2012 c250 coupe?** A: Not sure but it fit perfectly in my s550 benz. **Q: Do i have to game these? what to gap with? and what size socket is required?** A: You do not have to gap them. It is a 5/8 deep socket. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by M***N on January 21, 2024* ### ⭐⭐⭐⭐⭐ Review *by D***N on April 11, 2020* ### ⭐⭐⭐⭐⭐ Review *by A***E on July 9, 2023* ## Frequently Bought Together - NGK 93911 LKR7AIX Iridium IX Spark Plug, Pack of 4 - NGK 93911 LKR7AIX Iridium IX Spark Plug - Mann Filter C 3698/3-2 Air Filter Element, (Set of 2) --- ## 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.us/products/56139604-ngk-93911-lkr7aix-iridium-ix-spark-plug-pack-of-4](https://www.desertcart.us/products/56139604-ngk-93911-lkr7aix-iridium-ix-spark-plug-pack-of-4) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-11*