NGK 6955 CR9EB Standard Spark Plugs – 8-Pack for Yamaha Jet Boats (AR210, SX210, SR230, AR230) 2003-2015
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Description
xDiscover the NGK 6955 CR9EB standard spark plugs, sold as an 8-pack, designed to align with Yamaha jet boats from 2003 through 2015. Built to NGK’s OE-inspired standards, these plugs offer reliable ignition, steady heat control, and dependable durability under typical boating conditions. They’re a practical choice for owners looking to refresh ignition components without sacrificing engine reliability or performance potential.
Compatibility spans a broad Yamaha engine family within the 2003–2015 window, including popular models such as AR210, SX210, SR230 and AR230 variants. This wide fit helps simplify ordering and maintenance by matching common Yamaha powertrains used in wake boats and runabouts during that era. Always verify the exact part number with your manufacturer or owner’s manual to ensure a precise match.
Design, build, and why it matters
These plugs use a nickel/copper center electrode with a nickel ground electrode, pairing solid conduction with robust heat management. The resistor helps reduce electrical interference, which can contribute to cleaner ignition system operation in demanding marine environments. The insulator features premium ceramic composition for strong dielectric performance, while the triple gasket sealing helps prevent gas leakage under typical operating pressures.
Key specs at a glance
- Part number: CR9EB; 8-pack for convenient replacement
- Ground electrode design: Standard; Ground electrode core material: Nickel
- Center electrode core material: Copper; Center electrode tip material: Nickel
- Resistor type: Yes; Resistor resistance: 5000 ohms
- Pre-gap size: 0.032 in / 0.8 mm
- Heat range: 9; Reach: 19.0 mm; Thread diameter: 10.0 mm
- Insulator material: Ceramic; Seat type: Flat; Washer included
- Hex size: 5/8 in / 16 mm; Insulator height: 2.00 in
Potential benefits in real-world use
- OE-style reliability with NGK engineering and standard nickel alloy design
- Copper center core aids heat dissipation for steady operation across boating conditions
- Resistor helps mitigate electrical noise for smoother engine timing signals
- Durable ceramic insulator supports consistent performance and dielectric strength
- Triple gasket sealing minimizes combustion gas leakage risks under pressure
- 8-pack convenience supports regular maintenance and fleet replacements
What to check before you buy
Always verify the exact part number against your Yamaha engine manual or NGK directly before purchasing. This listing specifies the CR9EB plugs and offers the 8-pack quantity, with construction details that align to OEM-like expectations.
FAQ
Q: Which Yamaha models are compatible with NGK CR9EB 8-pack spark plugs?
A: Compatible with Yamaha jet boats from 2003-2015, including AR210, SX210, SR230, AR230 and other listed variants.
Q: What is included and how should I verify fit before purchase?
A: This listing is for 8 NGK CR9EB plugs; verify the part number with your owner's manual or NGK to ensure a correct match.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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