Yamaha ILMAR7H9 Laser Iridium Spark Plug – 94702-00447-00 | OEM

Yamaha ILMAR7H9 Laser Iridium Spark Plug – 94702-00447-00 | OEM

Maintain dependable ignition and engine performance with the Genuine Yamaha OEM Laser Iridium Spark Plug 94702-00447-00 (NGK ILMAR7H9). Manufactured to Yamaha's factory specifications, this laser iridium plug is specified for the Yamaha XF450 XTO Offshore four-stroke outboard. The iridium center electrode and platinum ground electrode wear slowly and resist fouling, supporting reliable starting, smooth operation, and efficient combustion.

Engine Compatibility

Specified by Yamaha for the following four-stroke outboards:

• XF450 XTO Offshore (2023+)

Compatibility can vary by complete engine model, production year, and serial number.

Important: The F350 4.2L V6 and XF425 use a different plug, ILMAR7E9. Please verify the correct plug for your engine before ordering.

Product Details

• Manufacturer: Yamaha
• Yamaha Part Number: 94702-00447-00
• NGK Part Number: ILMAR7H9
• Product Type: Outboard Laser Iridium Spark Plug
• Heat Range: 7
• Resistor: Yes
• Engine Type: Select Yamaha Four-Stroke Outboards
• Condition: New
• Part Type: Genuine Yamaha OEM

Important Fitment Information

Please verify your complete engine model, model year, serial number, and required spark-plug specification before ordering. Spark-plug requirements should not be determined by horsepower alone.

Sold individually — this listing is for one spark plug. Order the quantity your engine requires.

Genuine Yamaha OEM Part

This is a 100% Genuine Yamaha OEM spark plug—not an aftermarket substitute. It is manufactured to Yamaha's specifications for proper fit, ignition performance, and compatibility with applicable Yamaha outboards.

Replacing spark plugs at Yamaha's recommended service intervals helps support dependable starting, smooth engine operation, and consistent combustion performance.

Genuine Yamaha Parts from Compleat Angler Marine

Compleat Angler Marine, part of Pompano Beach Marine Center, supplies Genuine Yamaha OEM outboard parts, maintenance products, propellers, rigging components, accessories, and outboard motors. As an Authorized Yamaha Pro Elite Plus Dealer, we're here to help you find the correct Yamaha maintenance parts for your outboard.

Nationwide Shipping

We ship Genuine Yamaha OEM parts nationwide. Orders are carefully packed for safe delivery.

Need help confirming fitment?
Call 954-946-1451 or email support@compleatanglermarine.com.