NGK Spark Plug KR9E-G 3-Pack for Sea‑Doo 300HP 1630cc (2016–2022) — OEM Fit, Correct Heat Range

Genuine NGK KR9E-G spark plug 3-pack (part no. 93226) designed as a direct replacement for Sea‑Doo 300HP 1630cc GTX, RXP and RXT models from 2016–2022.

Keep your Sea‑Doo running reliably with OEM‑spec NGK ignition components. This three‑pack contains the same NGK KR9E‑G plugs specified for many high‑output 300HP 1630cc Sea‑Doo engines, offering the correct heat range and electrochemical properties to match factory requirements. Each plug pictured is the exact item you receive and replaces Sea‑Doo part numbers 296000407 and 296000421.

Will these spark plugs fit my Sea‑Doo 300 series watercraft?

Yes—these NGK KR9E‑G plugs are manufactured to match the factory specifications for a range of 300HP Sea‑Doo models. Verify your model and year against the compatibility list before ordering to ensure a direct, no‑modification fit.

• Compatible with GTX 300 (2016–2022)
• Fits RXP‑X 300 and RXT‑X 300 models (2016–2022)
• Direct replacement for Sea‑Doo part numbers 296000407 and 296000421
• Sold as a pack of three plugs for multi‑cylinder engines

What makes the NGK KR9E‑G the right choice for these engines?

The KR9E‑G is specified by manufacturers for its balanced heat range, robust construction, and consistent gap control—factors that matter in high‑compression marine engines. NGK’s production tolerances and material choices help deliver stable ignition under high loads and variable marine conditions.

• Correct heat rating (KR9E‑G) for many 1630cc 300HP Sea‑Doo engines
• Factory‑equivalent dimensions and thread engagement for proper seating
• Durable electrode materials for consistent spark performance
• Pre‑gapped or factory gap to reduce installation prep

How should I install and maintain these plugs for best results?

Install plugs with a clean thread area, torque to the manufacturer’s specification, and use anti‑seize only if recommended by Sea‑Doo. Routine inspection during scheduled service intervals helps detect fouling or wear before performance issues arise.

• Inspect spark plug threads and sealing surface for damage before installation
• Tighten to Sea‑Doo torque specs; avoid over‑tightening
• Replace all plugs together for consistent ignition timing across cylinders
• Check plugs during tune‑ups for electrode wear or deposits

How many plugs come in the pack and what is included?

This listing is for a genuine NGK 93226 KR9E‑G three‑pack—three individual spark plugs ready for immediate swap‑out. The exact items photographed are the same as what is shipped, so you receive OEM‑grade components without aftermarket substitutions.

• Three NGK KR9E‑G spark plugs (part no. 93226)
• Each plug ready to fit compatible Sea‑Doo models
• Packaging showing genuine NGK labeling and part number

Who is this for: This product is aimed at Sea‑Doo owners, technicians, and marine service shops maintaining high‑output 300HP 1630cc Sea‑Doo models from 2016 through 2022 who want an OEM‑equivalent ignition replacement. If you perform routine maintenance, seasonal tune‑ups, or need a direct replacement for worn plugs, this NGK three‑pack gives the correct specification, reliable manufacturing quality, and simple compatibility verification for these Sea‑Doo watercraft.