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Celebrating over 50 years of Trusted Marine Service
Over 50 years of Trusted Marine Service

NGK Spark Plugs - 7240-3475 Spark Plug | YR55

Original price $6.05 - Original price $6.05
Original price
$6.05
$6.05 - $6.05
Current price $6.05
Availability: Available

Free returns on all eligible orders

You have 30 days to request a return. All sale items are final sale.

7240-3475 Spark Plug

  • Brand: NGK
  • Manufacturer part #: YR55
  • Sold as: EA (pack of 4)

Product Details

V-Power spark plug, stock number 7240; wide-gap design, tapered seat, 0.460-inch reach and 5/8-inch hex. NGK specification reference.

Parts Desk Insight

The full YR55 code matters: seat style, reach and gap must suit the engine, even when another plug fits the same socket.

Confirm the application in the NGK parts lookup and follow the engine service manual for installation.

Shipping information

In-stock and OEM parts: ship same or next business day.

Available items are ready for pickup or shipping between one and three days.

Special-order items: timeline confirmed after order.

Returns & warranty

Returns & Satisfaction Guarantee

We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.

If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.

To qualify for a return:


  • Item must be in new, unused condition

  • Product must be in its original packaging

  • All parts, components, hardware, manuals, and accessories must be included

  • Packaging must be undamaged and suitable for resale

Important:

Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.

We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.

For return authorization, please contact our support team before shipping anything back.

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