Home / 2 Pack NGK Spark Plug - For Honda TRX350 Fourtrax ATV
Customer Reviews
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Very nice spark plugs they look perfect thank you very much
— frank....
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Work as they should, no issues. Great seller
— 11sha....
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Order delivered on time with no issues
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2 Pack NGK Spark Plug - For Honda TRX350 Fourtrax ATV
$16.77
Free shipping on all orders.
Qty In Stock: 20
The NGK 5129 Spark Plug (DPR7EA-9) is a high-quality OE-style replacement designed for motorcycles, ATVs, and small engine applications. With a solid copper core and nickel alloy electrode, it ensures excellent heat dissipation, reliable ignition, and long-lasting engine performance under a wide range of conditions.
Features & Benefits:
🔧 Copper core delivers strong spark and superior thermal conductivity
🔧 Nickel alloy electrode resists fouling and corrosion
🔧 OE fit ensures easy and accurate installation
🔧 Pre-gapped at 0.9mm for consistent ignition performance
Specifications:
Brand & Part Number: NGK 5129 (DPR7EA-9)
Material: Nickel with Copper Core
Thread Size: 12mm
Reach: 19mm (0.75 in)
Hex Size: 18mm (11/16 in)
Heat Range: 7
Seat Type: Gasket
Resistor: Yes
Gap: 0.9mm (0.035 in)
Choose NGK DPR7EA-9 for dependable starts, smooth operation, and long-lasting performance in your motorcycle or small engine—order now!
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.
