The NGK 3951 V-Power Spark Plug (TR55) is designed to deliver enhanced ignitability, improved fuel economy, and smooth engine performance. Featuring a V-groove center electrode and a solid copper core, it promotes efficient combustion, reduces emissions, and provides reliable ignition—ideal for a wide range of vehicles.
🔧 V-groove electrode enhances flame propagation and fuel burn 🔧 Copper core ensures optimal heat transfer and spark performance 🔧 Reduces misfires and fouling for consistent operation 🔧 Pre-gapped for quick and easy installation
Brand & Part Number: NGK 3951 (TR55) Material: Nickel with Copper Core Thread Size: 14mm Reach: 19mm (0.75 in) Hex Size: 5/8 in (16mm) Heat Range: 5 Seat Type: Gasket Resistor: Yes Gap: 1.1mm (0.043 in)
Upgrade to NGK TR55 V-Power for reliable performance, better fuel efficiency, and longer plug life—order now!
At TXN Supply, we're driven by a passion for quality and reliability. Whether you're a DIY mechanic, an automotive professional, or just looking for top-notch essentials, we provide premium spark plugs, oil filters, fluids, and more from trusted brands like Champion, NGK, and ACDelco.
Our mission is simple: to deliver high-quality auto parts and everyday must-haves with fast shipping and great prices!
Immediate payment is required for all purchases. We accept major payment methods via eBay Managed Payments, including credit/debit cards, PayPal, Apple Pay, and Google Pay. Orders process immediately after payment. Contact us if you need assistance.
We offer fast, reliable shipping within the USA. Orders are processed quickly and shipped via trusted carriers. Tracking information will be provided. Expedited options may be available at an extra cost. Contact us for any shipping inquiries.
We offer a 30-day return period. Items must be in original condition. Buyer is responsible for return shipping unless the item is defective or incorrect. Refunds are processed once the item is received. Contact us for any return assistance.



