Home / NGK 6668 Spark Plug LFR6A - 4 Pack - For Watercraft FX FZR FZS VX VXR VXS
NGK 6668 Spark Plug LFR6A - 4 Pack - For Watercraft FX FZR FZS VX VXR VXS
$53.77
Free shipping on all orders.
Qty In Stock: 20
The NGK 6668 Standard Spark Plug (LFR6A) is designed for reliable ignition, smooth engine operation, and long-lasting performance in a variety of modern automotive applications. Featuring a solid copper core and nickel alloy electrode, it ensures excellent heat dissipation, corrosion resistance, and consistent combustion efficiency.
Features & Benefits:
🔧 Copper core delivers strong spark and optimal heat transfer
🔧 Nickel alloy electrode resists fouling and wear
🔧 OE-style fit for quick, reliable installation
🔧 Pre-gapped to ensure consistent ignition performance
Specifications:
Brand & Part Number: NGK 6668 (LFR6A)
Material: Nickel with Copper Core
Thread Size: 14mm
Reach: 25mm (0.98 in)
Hex Size: 5/8 in (16mm)
Heat Range: 6
Seat Type: Gasket
Resistor: Yes
Gap: 0.9mm (0.035 in)
Choose NGK LFR6A for dependable starts, smooth combustion, and lasting performance in your vehicle—order today!
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.
