{"product_id":"ngk-ilzkr7d8-laser-iridium-spark-plugs-96412","title":"NGK ILZKR7D8 Laser Iridium Spark Plugs - 96412","description":"\u003ch2\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0056\/9429\/2079\/files\/ngk_logo_1.png?v=1780608867\" alt=\"\"\u003e\u003c\/h2\u003e\n\u003ch2\u003eNGK ILZKR7D8 Laser Iridium Spark Plug – 96412\u003c\/h2\u003e\n\u003cp\u003eThe NGK ILZKR7D8 Laser Iridium Spark Plug, stock number 96412, is a premium ignition component designed for select Suzuki high-horsepower four-stroke outboards. Engineered for the demanding combustion requirements of Suzuki's 4.4L V6 dual-prop engine family, this plug combines an iridium center electrode with a platinum-tipped ground electrode for dependable ignition, excellent durability, and long service life.\u003c\/p\u003e\n\u003cp\u003eNGK Laser Iridium technology is designed to maintain a precise firing surface over extended operating intervals. The fine-wire electrode promotes reliable ignition of the air-fuel mixture, helping support smooth starting, consistent idle quality, responsive acceleration, and efficient combustion. Its resistor construction also helps suppress electrical interference with modern engine-management systems and onboard electronics.\u003c\/p\u003e\n\u003cp\u003eFor Suzuki DF300B, DF325A, and DF350A owners, installing the correct spark plugs during scheduled maintenance is an important part of maintaining performance. Worn electrodes or combustion deposits can contribute to difficult starting, hesitation, misfires, reduced fuel economy, and loss of power under load.\u003c\/p\u003e\n\u003ch3\u003eSpark Plug Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eManufacturer: NGK\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePart Number: ILZKR7D8\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNGK Stock Number: 96412\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSeries: Laser Iridium\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeat Range: 7\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThread Diameter: 12 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThread Pitch: 1.25 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThread Reach: 26.5 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHex Size: 16 mm \/ 5\/8\"\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSeat Type: Gasket\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCenter Electrode: Fine-wire iridium\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGround Electrode: Platinum-tipped\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResistor: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSpark Gap: 0.8 mm \/ .032\"\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSold Individually\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSuzuki Outboard Engine Fitment\u003c\/h3\u003e\n\u003cp\u003eThe NGK ILZKR7D8 \/ 96412 is specified for select Suzuki 4.4L V6 four-stroke outboards, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSuzuki DF300B – 300 HP\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuzuki DF325A – 325 HP\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuzuki DF325AX\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuzuki DF325AXX\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuzuki DF350A – 350 HP\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuzuki DF350ATX\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuzuki DF350AX\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuzuki DF350AXX\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuzuki DF350AMD\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese high-output Suzuki engines use a 4,390cc V6 platform and Suzuki's contra-rotating dual-prop lower-unit technology.\u003c\/p\u003e\n\u003ch3\u003eCommon Boat Applications\u003c\/h3\u003e\n\u003cp\u003eSuzuki DF300B, DF325A, and DF350A outboards are installed on a wide variety of offshore center consoles, bay boats, dual consoles, and larger fishing boats. Depending on model year and factory or dealer-installed engine package, applications may include:\u003c\/p\u003e\n\u003ch4\u003eSea Pro\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSea Pro 259 DLX\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSea Pro 262 DLX\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSea Pro 280 DLX\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSea Pro 320 DLX\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSportsman\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSportsman Open 252\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSportsman Open 262\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSportsman Open 282\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSportsman Open 302\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSportsman Open 322\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSea Fox\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSea Fox 268 Commander\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSea Fox 288 Commander\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSea Fox 328 Commander\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSea Fox 368 Commander\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCobia\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCobia 262 CC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCobia 280 CC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCobia 301 CC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCobia 320 CC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTwin Vee\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eTwin Vee 260 GFX\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTwin Vee 280 GFX\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTwin Vee 300 GFX\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTwin Vee 340 GFX\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCape Horn\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCape Horn 24 XS\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCape Horn 27 XS\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCape Horn 31 T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCape Horn 34 XS\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eDusky\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDusky 252\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDusky 278\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDusky 33\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDusky 35\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAdditional applications may include compatible Suzuki-powered boats from Aquasport, Carolina Skiff, Sea Chaser, Key West, Blackfin, Pro-Line, Sailfish, World Cat, Prowler, Stamas, and other manufacturers offering high-horsepower Suzuki outboards.\u003c\/p\u003e\n\u003ch3\u003eSuzuki OEM Cross Reference\u003c\/h3\u003e\n\u003cp\u003eThe NGK ILZKR7D8 \/ 96412 cross-references with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSuzuki 09482-00642\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuzuki 09482-00642-000\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNGK ILZKR7D8\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNGK 96412\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eGenuine NGK Laser Iridium spark plug\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNGK stock number 96412\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for select Suzuki 4.4L V6 outboards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFits DF300B, DF325A, and DF350A engine families\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFine-wire iridium center electrode provides excellent ignitability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePlatinum-tipped ground electrode helps reduce wear\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e0.8 mm \/ .032\" spark gap\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResistor design helps suppress electrical interference\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports reliable starting and smooth acceleration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExcellent choice for scheduled Suzuki outboard maintenance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuilt for Suzuki's High-Horsepower V6 Outboards\u003c\/h3\u003e\n\u003cp\u003eSuzuki's DF300B, DF325A, and DF350A engines are designed to deliver substantial torque and performance for larger recreational and offshore boats. Maintaining that performance requires ignition components built to the correct specifications. The NGK ILZKR7D8 Laser Iridium Spark Plug provides the durability, spark consistency, and heat-management characteristics required for these advanced four-stroke V6 engines.\u003c\/p\u003e\n\u003cp\u003eWhether you're servicing a Suzuki DF300B, DF325A, DF325AX, DF350A, or another compatible variant, the NGK ILZKR7D8 Laser Iridium Spark Plug – 96412 provides a proven replacement backed by NGK's extensive experience in marine ignition technology.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment Note:\u003c\/strong\u003e Boat model alone does not determine spark plug compatibility. The same hull may be offered with several outboard brands and horsepower options. Verify \u003cstrong\u003eNGK ILZKR7D8 \/ stock #96412\u003c\/strong\u003e against your Suzuki engine model, serial number, service information, or original OEM number \u003cstrong\u003e09482-00642\u003c\/strong\u003e before ordering.\u003c\/p\u003e","brand":"Land 'N' Sea","offers":[{"title":"Default Title","offer_id":50254719090945,"sku":"41-ILZKR7D8","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0056\/9429\/2079\/files\/Screenshot2026-08-29085019.png?v=1788007829","url":"https:\/\/inboardpartshq.com\/products\/ngk-ilzkr7d8-laser-iridium-spark-plugs-96412","provider":"Inboard Parts HQ","version":"1.0","type":"link"}