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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
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Description
NGK OEM Spark Plug Kit for Mercury Verado V10 6.4 350-425HP Engines (Set of 10)Spark plugs are responsible for providing an ignition source inside your engines combustion chamber. Energy is transferred from the ignition coil to the plug which creates a spark igniting the air fuel mixture. Our technicians and Mercury recommends replacement at the 300 hour service maintenance interval. NGK Fine Wire Platinum Tipped Center Electrode ensures higher durability, deliver slow wear rate, stable spark, superior anti fouling, improved
Spark plugs are responsible for providing an ignition source inside your engine’s combustion chamber. Energy is transferred from the ignition coil to the plug which creates a spark igniting the air-fuel mixture.
Our technicians and Mercury recommends replacement at the 300-hour service maintenance interval.
- NGK Fine Wire Platinum Tipped Center Electrode ensures higher durability, deliver slow wear rate, stable spark, superior anti-fouling, improved fuel efficiency and lower emissions
- This spark plug meets Mercury Marine original equipment manufacturer specifications to best protect your engine and ensure its optimum performance
- Check your engine owner’s manual for the correct spark plug and use only the plug as recommended by your engine’s original equipment manufacturer
- NGK Trivalent metal plating also provides superior anti-corrosion in the marine environment and anti-seizing for easier removal
- Longer service life with a copper core and ribbed suppressor seal for durability and performance
Sold as set of 10 spark plugs.
Manufacturer Part #: NGK LKAR7C-9
Direct Replacement for OEM Part #:
- 33-8M0135348
- 8M0135348
- 8M0204737
- 8M0135348
Fits The Following Engines:
- Mercury Verado V10 350HP
- Mercury Verado V10 400HP
- Mercury Verado V10 425HP
- Mercury Racing V10 400R
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
I’m really impressed with these 12-inch Heavy Duty Floating Shelf Brackets!
Size: 12 Inch, Style: Black 6Pack
I recently installed them in my living room to hold some books and decorative items, and they’ve been fantastic. The brackets feel extremely solid and well-made — the 1/5-inch thick iron gives them a sturdy, industrial look and they hold the shelves without any wobbling or sagging. I also love the sleek black finish; it looks modern and stylish, and it really complements my décor.
Installation was straightforward and stress-free because the set comes with screws, anchors, and a lever — everything I needed to get the shelves up securely. The pack of six brackets is great because it gave me enough for multiple shelves and even an extra in case I need it.
The only minor thing to note is that aligning the brackets perfectly requires a bit of patience, but once leveled, they hold like a dream.
Overall, these brackets are a great combination of strength, style, and value. They’ve made my shelves look clean and professional, and I feel confident they’ll last for years. Highly recommend for anyone looking for heavy-duty, attractive shelf support!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 7, 2025
★★★★★ 5
High quality look for office
Size: 10 Inch, Style: Black 4Pack, Size: 10 Inch, Style: Black 4Pack
These brackets were exactly what I was looking for. Very solid construction, clean powder-coated finish, and they gave the shelves a modern industrial look without being bulky. Installation was straightforward, and once mounted into studs they felt extremely sturdy.
I used them for floating wood shelves and was honestly impressed with how much weight they can handle without flexing. The black finish also matched perfectly with the rest of the room hardware.
For the price, these are a great value and look far more expensive than they are. Would definitely buy again for future projects.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026
★★★★★ 5
Heavy duty brackets!
Size: 12 Inch, Style: Black 6Pack
Super heavy duty brackets. Slim look and hardware pack included is good quality. Comes with two kinds of anchors and matching screws. Bought multiple sets and very pleased with them. Paid 30 bucks for a 6 pack.
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Reviewed in the United States on March 27, 2026
★★★★★ 5
Sturdy and easy to install
Size: 12 Inch, Style: Black 6Pack
These shelf brackets come with screws and are easily installed. Very sturdy and can hold 14 hardcover books easily. Would recommend these shelf brackets for use to hold things to the wall.
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Reviewed in the United States on April 17, 2026
★★★★★ 4
Needs heavier duty wall anchors
Size: 10 Inch, Style: Black 6Pack
Brackets are nice and sturdy and look great in my son’s room. The included mounting hardware is not strong enough to support the brackets and shelves and I had to purchase heavier duty wall anchors, other than that great product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 25, 2025
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