Home / NGK Spark Plugs BR7EF 3346 (Set of 8)
NGK Spark Plugs BR7EF 3346 (Set of 8)
$48.77
Free shipping on all orders.
Qty In Stock: 20
The NGK 3346 Spark Plug (BR7EF) is designed for high-performance and small engine applications requiring strong ignition and reliable combustion. With an extended insulator nose, solid copper core, and nickel alloy electrode, it provides excellent anti-fouling characteristics and heat dissipation for consistent engine performance.
Features & Benefits:
🔧 Extended insulator nose helps prevent fouling under load
🔧 Copper core improves heat transfer and spark reliability
🔧 Nickel alloy electrode resists wear and corrosion
🔧 Pre-gapped for fast and accurate installation
Specifications:
Brand & Part Number: NGK 3346 (BR7EF)
Material: Nickel with Copper Core
Thread Size: 14mm
Reach: 19mm (0.75 in)
Hex Size: 13/16 in (20.8mm)
Heat Range: 7
Seat Type: Gasket
Resistor: Yes
Gap: 0.8mm (0.031 in)
Count on NGK BR7EF for dependable ignition, excellent combustion, and long-lasting performance—ideal for performance-tuned engines and small engine platforms!
Shipping Info
Free shipping on every US order. In-stock parts typically ship within 1 business day from Texas.
Returns
30-day returns on unused parts in original packaging. Wrong or defective items are replaced or refunded. See the return policy.
How do I confirm this part fits?
Match the brand and part number to your vehicle, or use the Parts Finder on the homepage. Contact us before ordering if you are unsure.
Are these parts new?
Yes. TXN Supply Co sells new parts from trusted OEM-quality brands — not remanufactured cores.
How fast will my order ship?
In-stock orders ship within 1 business day. Delivery time depends on your ZIP; most US addresses arrive in 2–5 business days.
What is your return policy?
Unused items can be returned within 30 days in original packaging. Customer-initiated returns may include a restocking fee and return shipping.