NGK NGK Laser Iridium/Platinum Spark Plug Box of 4 (LMAR9AI-8D)
NGK NGK Laser Iridium/Platinum Spark Plug Box of 4 (LMAR9AI-8D)
Click to zoom in

NGK Laser Iridium/Platinum Spark Plug Box of 4 (LMAR9AI-8D)

NGK
NGK90526
87295905265
Spark Plugs
9 Units In Stock - Ships Next Business Day
Engine, Ignition, NGK, Spark Plugs
$ 162.52
$ 162.52

SKU: 90526 | UPC: 87295905265

NGK Laser Iridium/Platinum Spark Plug Box of 4 (LMAR9AI-8D) Fits 1998-2006 Lexus GS LS RX Toyota Camry Avalon Sienna

NGK Laser Iridium spark plugs deliver a precise combination of performance and extended service life in a convenient box of 4. These LMAR9AI-8D plugs fit select 1998-2006 Lexus GS300 GS400 GS430 LS400 LS430 RX300 and Toyota Camry Avalon Highlander Sienna Solara V6 models with 1MZ-FE 3UZ-FE 1UZ-FE engines. Iridium center and platinum ground electrodes ensure consistent spark and combustion efficiency for smoother operation and fewer replacements.

Key Features

  • Iridium Tipped Center Electrode: Six times harder than platinum for resistance to wear and prolonged plug life under high heat
  • Platinum Ground Electrode Pad: Promotes balanced wear in distributorless ignition systems for steady performance over time
  • Pure Alumina Ceramic Insulator: High-grade material dissipates heat effectively to avoid pre-ignition and maintain reliability
  • 98% Pure Copper Core: Enhances conductivity for quick starts and stable operation in all conditions
  • OE-Engineered Design: Tested to strict standards matching factory specs for drop-in replacement and durability

Product Notes

  • Pre-gapped to 0.031 inches (0.8mm) verify before installation
  • Box contains 4 plugs suitable for V6 or V8 cylinder replacement sets
  • Handle with care to protect fine electrode tips

Installation Notes

  • Professional installation recommended.
  • Torque to 14-22 ft-lbs using anti-seize on threads
  • Direct OEM replacement no additional hardware required

This Part Fits

Year Make Model Submodel
1998-2005 Lexus GS300 All
1998-2000 Lexus GS400 All
2001-2005 Lexus GS430 All
1998-2000 Lexus LS400 All
2001-2006 Lexus LS430 All
1999-2003 Lexus RX300 All
2000-2004 Toyota Avalon XL XLS XLX
1997-2001 Toyota Camry V6 LE XLE SE
2001-2003 Toyota Highlander V6 Base Limited
1998-2003 Toyota Sienna CE LE XLE
1999-2003 Toyota Solara V6 SE SLE

Why Choose NGK?

  • OE supplier to Lexus and Toyota for proven factory performance
  • Advanced materials built for high-mileage reliability
  • Precision manufacturing ensures exact fit and function

Frequently Asked Questions

  • Q: Will NGK 90526 LMAR9AI-8D fit my 2002 Lexus GS430?
    A: Yes fits all 2001-2005 GS430 models with 3UZ-FE engine confirm via VIN or fitment tool for exact match
  • Q: What electrode materials are used in these plugs?
    A: Iridium alloy center electrode for wear resistance paired with platinum disc on ground strap for balanced longevity
  • Q: What warranty covers these spark plugs?
    A: NGK provides limited manufacturer warranty for defects in materials or workmanship contact retailer for details

Shipping & Handling

  • Method: UPS Ground or USPS Priority
  • Availability: In stock - ships same or next business day
  • Packaging: Secure manufacturer's box 6.3 x 3.8 x 1.1 inches
  • Weight: 0.75 lbs

Request For Information

Have questions about ? Fill out the form below and we'll get back to you by the next business day.
Engine

Engine

This engine parts collection covers oil catch cans, thermostats, thermostat housings, radiator components, coolant accessories, engine covers, fuse box covers, cap covers, throttle bodies, supercharger pulleys, idler pulleys, tensioner pulleys, and engine bay dress-up parts for trucks, SUVs, muscle cars, boosted builds, high-horsepower street cars, and performance vehicles that need better reliability, cooling, airflow, oil control, and under-hood styling. The collection is particularly strong for Dodge Challenger, Charger, Durango, Jeep Grand Cherokee Trackhawk, and Ram TRX platforms running 6.2L Hellcat, 6.4L HEMI, and 5.7L HEMI engines, where oil catch can and cooling upgrades address known OEM weaknesses in the PCV and thermal management systems. Import performance platforms including GM LS-based builds, Chevrolet Camaro, and Corvette applications are also represented through Mishimoto, CSF, and ZPE GripTec product lines. Builders who invest in engine bay organization and reliab...

View Engine Products
Ignition

Ignition

Upgrade your vehicle with high-quality ignition parts from Black Ops Auto Works. This collection features premium spark plugs, ignition coils, ignition wire sets, distributors, sensors, and ignition components designed to improve engine performance, reliability, and efficiency across a wide range of vehicles. Ignition Parts from Top Performance Brands Browse trusted brands known for performance and reliability, including: NGK spark plugs HKS spark plugs MSD ignition components Granatelli ignition wires and coils Ford Performance ignition parts Moroso ignition wire sets Mishimoto ignition coils Cobb tuning ignition and sensor components These brands are engineered for street, performance, racing, and high-horsepower applications. Complete Ignition System Components Find everything you need to maintain or upgrade your ignition system, including: Spark plugs (iridium, platinum, and performance options) Ignition coils and coil packs Spark plug wire sets Distributors and distributor c...

View Ignition Products
NGK

NGK

Welcome to our curated collection of NGK plugs and spark plug wires, where quality meets reliability. Whether you're a professional mechanic or a DIY enthusiast, our selection is tailored to enhance your engine's performance and longevity. Why Choose NGK? Superior Quality: NGK is a trusted name in the automotive industry, known for its high-quality products. Enhanced Performance: Our plugs are designed to deliver better fuel efficiency and improved ignition. Durability: NGK products are built to withstand the toughest conditions, ensuring long-lasting performance.   Our Collection Includes: NGK Spark Plugs: Available in a variety of types to fit different vehicle models. NGK Spark Plug Wires: Engineered to provide optimal conductivity and reliability. Accessories: Find all the necessary tools and accessories for installation and maintenance.   Shop with Confidence When you choose our NGK plugs and spark plug wires, you're investing in performance. Browse our collection to...

View NGK Products
Spark Plugs

Spark Plugs

Upgrade your vehicle with high-quality spark plugs designed for improved ignition, performance, and reliability. At Black Ops Auto Works, we offer a wide selection of performance spark plugs, including iridium spark plugs, platinum spark plugs, and racing spark plugs for street, track, and high-horsepower applications. Spark Plugs from Top Performance Brands Browse premium spark plugs from industry-leading brands, including: NGK spark plugs (Iridium IX, Laser Iridium, Platinum, Ruthenium) HKS Super Fire Racing spark plugs Denso spark plugs Bosch spark plugs Champion spark plugs Autolite spark plugs Cobb performance spark plugs These brands are trusted for OEM replacement, high-performance builds, turbocharged engines, and racing applications. High-Performance Spark Plugs for Every Application Our collection includes spark plugs engineered for: Stock replacement and daily driving Turbocharged and supercharged engines High-compression and performance builds Racing and track applic...

View Spark Plugs Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×