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NGK

NGK 3951 Spark Plugs TR55 (6 Pack)

  • Based on 4,606 reviews
Condition: New
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$20.60 Why this price?
Holiday Deal · 69% off was $66.19

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This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026

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Availability: In Stock.
Fulfilled by Amazon
Arrives Friday, Dec 26
Order within 2 hours and 44 minutes
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Features

  • Designed to operate over a much wider heat range than ordinary plugs
  • Resists carbon buildup and pre-ignition
  • Patented triple gasket sealing process eliminates the possibility of combustion gas leakage
  • NGK spark plugs are an OE cornerstone that have provided decades of reliable performance

Description

Sold in packs of 6.

Brand: NGK


Core Material: Copper


Thread Size: 14 milimeters


Top Material Type: Metal


Vehicle Service Type: Car,Truck,SUV,Lawn Mowers,ATV,Motorcycle,Scooter


Brand: ‎NGK


Core Material: ‎Copper


Thread Size: ‎14 milimeters


Top Material Type: ‎Metal


Vehicle Service Type: ‎Car,Truck,SUV,Lawn Mowers,ATV,Motorcycle,Scooter


Automotive Fit Type: ‎Vehicle Specific Fit


UPC: ‎087295139516


OEM Part Number: ‎TR55


Manufacturer: ‎NGK


Model: ‎6 pack NGK V-Power 3951 Spark Plug


Item Weight: ‎0.01 ounces


Product Dimensions: ‎3.31 x 0.94 x 4.98 inches


Item model number: ‎3951


Manufacturer Part Number: ‎TR55


Position: ‎Front, Rear


Date First Available: December 5, 2019


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Dec 26

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
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  • Afterpay Financing
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  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Quality and affordable priced spark plugs
*5/5 Stars* I've had the opportunity to use NGK spark plugs in my vehicle, and I'm thoroughly impressed. Here's why: *Key Features* - *Excellent Performance*: NGK spark plugs provide a reliable spark, resulting in improved engine performance and fuel efficiency. - *Durable Construction*: These spark plugs are built to last, with a long lifespan and resistance to wear and tear. - *Wide Range of Applications*: NGK offers a vast selection of spark plugs for various vehicles, making it easy to find the right one for your needs. - *Easy Installation*: NGK spark plugs are designed for straightforward installation, saving you time and effort. *Performance* NGK spark plugs have made a noticeable difference in my vehicle's performance. The engine runs smoother, and I've experienced improved fuel efficiency. *Recommendation* If you're looking for high-quality spark plugs that deliver exceptional performance and durability, look no further than NGK. They're a trusted brand in the industry, and their spark plugs are a great choice for any vehicle owner. ... show more
Reviewed in the United States on April 9, 2025 by Garrett Cunningham
    • Great product
Worked perfectly. Brought my explorer back to life.
Reviewed in the United States on November 4, 2025 by Eddie Turbyfill
    • Quality part.
Good quality. Nice price.
Reviewed in the United States on October 24, 2025 by Richard McDermott
    • fit right engine
works so far, no fowled plugs yet,gap right
Reviewed in the United States on October 11, 2025 by Ronnie
    • Ok
Ok for the price
Reviewed in the United States on September 4, 2025 by David Bunner
    • Good!!! Love the brand
Gooddddddd!!!!!! NGK IS THE INLY BRAND I THINK IN MY OPINION LAST AND ARE GOOD IN ALL MY CARS I HAD.
Reviewed in the United States on November 27, 2025 by 35slimgoody
    • Quality
Excellent spark plug. Came fast and pre gapped at .055.
Reviewed in the United States on November 20, 2025 by James Fulbright
    • awesome
just what I needed, and expected..
Reviewed in the United States on November 27, 2025 by alan

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