--- product_id: 123137833 title: "NGK Spark Plug IMR9C-9HES Laser Iridium 5766" brand: "ngk" price: "¥8515" currency: JPY in_stock: true reviews_count: 6 url: https://www.desertcart.jp/products/123137833-ngk-spark-plug-imr9c-9hes-laser-iridium-5766 store_origin: JP region: Japan --- # Extended service life vs standard plugs Iridium center electrode for superior ignition Optimized combustion reduces emissions NGK Spark Plug IMR9C-9HES Laser Iridium 5766 **Brand:** ngk **Price:** ¥8515 **Availability:** ✅ In Stock ## Summary > ⚡ Ignite your drive with precision and power! ## Quick Answers - **What is this?** NGK Spark Plug IMR9C-9HES Laser Iridium 5766 by ngk - **How much does it cost?** ¥8515 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/123137833-ngk-spark-plug-imr9c-9hes-laser-iridium-5766) ## 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 - • **Trusted OE Quality:** Original Equipment standard trusted by top car manufacturers worldwide - • **Eco-Friendly Efficiency:** Improved combustion lowers fuel consumption and harmful emissions - • **Long-Lasting Performance:** Iridium’s durability means fewer replacements and consistent power - • **Precision Laser-Welded Iridium:** Ultra-fine electrode ensures flawless ignition and efficient fuel burn - • **Smooth Cold Starts & Engine Running:** Enhanced ignition for reliable starts and seamless driving experience ## Overview The NGK IMR9C-9HES Laser Iridium spark plug features a laser-welded iridium center electrode that delivers superior ignition performance, improved fuel efficiency, and reduced emissions. Engineered to OE standards and trusted globally, it offers longer service life and smoother engine starts, making it the smart upgrade for modern vehicles. ## Description Founded in 1936 as a manufacturer of spark plugs, the company's core competence has always been the automotive field. Today, the Automotive Components business has expanded to become the world’s top global manufacturer of OE and Aftermarket ignition and vehicle electronics parts. Benefit from our decades of know-how and outstanding expertise in Original Equipment and spare parts business. We promise: Under our new company name Niterra (formerly NGK SPARK PLUG), we continue to be the reliable partner at your side today and tomorrow. deliver smooth engine starting and running, general engine performance and efficiency as well as the reduction of harmful emissions. Niterra is the world's leading manufacturer of spark plugs for original equipment and the aftermarket. Car and motorbike manufacturers, dealers and workshops have been relying on the ignition specialist's expertise for decades. NGK Laser Iridium spark plugs are first-class technology of the highest calibre! The precious metal means that the centre electrode of the spark plug can be kept much narrower, allowing the petrol-air mixture to flow more easily between the centre and ground electrodes and therefore be better ignited. The result: Significantly improved cold start behaviour and more efficient combustion than with conventional spark plugs, the fuel is optimally utilised. The advantages: Improved ignition behaviour, optimised starting behaviour and smoother running – with lower fuel consumption and reduced environmental impact. An investment that pays off! In both motorsport and everyday use, the high-performance metal iridium ensures top performance. Laser Iridium spark plugs provide the ideal ignition for modern engines. The most important car manufacturers rely on this technology, which is also available to the aftermarket. Longer service life: The use of the precious metal extends the service life of the spark plug compared to standard spark plugs. Optimised starting behaviour: The laser-welded, ultra-fine iridium centre electrode ensures perfect ignition performance and promotes the spread of the flame front in the combustion chamber. Economical in consumption: The excellent ignition capacity contributes to more efficient engine performance, reduces fuel consumption and environmental pollution. Note: Please observe the general installation instructions before installation! Three letters stand for exceptional quality, reliability and efficiency: What began in 1937 with the production of its first spark plugs in the Japanese city of Nagoya, was just the start of what has now become an 85-year success story for the NGK Ignition Parts brand. ## Features - Original Equipment ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B001RLU1CI | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | 94,035 in Automotive (See Top 100 in Automotive) 497 in Car Spark Plugs | | Brand Name | NGK | | Compatible With Vehicle Type | Car | | Core Material | Iridium | | Country Of Origin | Italy | | Customer Reviews | 4.5 4.5 out of 5 stars (246) 4.5 out of 5 stars | | Gap Size | 2.15 Millimeters | | Global Trade Identification Number | 00087295157664 | | Included Components | nothing | | Item Type Name | NGK IMR9C-9HES Laser Iridium Spark Plug | | Item Weight | 0.03 Kilograms | | Manufacturer | NGK | | Manufacturer Part Number | 5766 | | Manufacturer Warranty Description | producer | | Model Number | IMR9C-9HES | | Number Of Items | 1 | | Number Of Packs | 1 | | Oem Equivalent Part Number | 31912-MEL-0030-HONDA,31912-MEL-A-HONDA,31912MEL003-HONDA,31912MFL003-HONDA,31922-MEL-003-HONDA | | Thread Size | 10,0 | | Top Material Type | Metal | | Unit Count | 1.0 count | | Upc | 087295157664 | ## Product Details - **Brand:** NGK - **Core material:** Iridium - **Thread size:** 10,0 - **Top material type:** Metal - **Vehicle service type:** Car ## Images ![NGK Spark Plug IMR9C-9HES Laser Iridium 5766 - Image 1](https://m.media-amazon.com/images/I/812Ux5TKcXL.jpg) ![NGK Spark Plug IMR9C-9HES Laser Iridium 5766 - Image 2](https://m.media-amazon.com/images/I/812iOtP49OL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Spark plug *by on Reviewed in the United Kingdom 26 May 2026* Its a spark plug and it's the one I ordered ### ⭐⭐⭐⭐⭐ 安心の性能です。 *by on Reviewed in Japan 2 March 2026* CBR600RR PC40 純正指定です。 ### ⭐⭐⭐⭐⭐ impressed *by on Reviewed in the United States 17 October 2011* I have to say I was a little worried, the picture didn't show the other end and I was a lil scared that I was going to get the wrong part. Other than that I'm impressed on how fast I got them and the price! The cheapest I found them so far. I have a 2005 Honda cbr 600 rr and they where the right ones for my bike, runs like a champ! Thanks --- ## 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.jp/products/123137833-ngk-spark-plug-imr9c-9hes-laser-iridium-5766](https://www.desertcart.jp/products/123137833-ngk-spark-plug-imr9c-9hes-laser-iridium-5766) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-08-27*