Home / Champion 405 Copper Plus Spark Plug RN14YC - 1 Pack
Champion 405 Copper Plus Spark Plug RN14YC - 1 Pack
$13.77
Free shipping on all orders.
Qty In Stock: 20
The Champion 405 Copper Plus Spark Plug RN14YC 1 Pack is designed for dependable ignition, smooth engine performance, and efficient combustion for automotive and general engine applications. Built for reliable performance and convenient replacement, this Copper Plus spark plug helps support consistent starts and steady operation with trusted Champion quality and dependable spark output.
Features & Benefits:
🔧 Champion Copper Plus copper-core design helps improve heat dissipation and ignition performance
🔧 Reliable spark output supports smooth starts and consistent engine operation
🔧 Durable electrode construction resists wear and fouling
🔧 Convenient 1 pack for straightforward replacement
Specifications:
Brand & Part Number: Champion 405 (RN14YC)
Quantity: 1 Pack
Product Type: Copper Plus Spark Plug
Application: Automotive and general engine replacement
Material: Copper-core center electrode
Thread Size: 14mm
Reach: 19mm (3/4 in)
Hex Size: 13/16 in
Heat Range: 14
Seat Type: Gasket
Resistor: Yes
Choose Champion 405 RN14YC Copper Plus spark plugs for reliable performance, convenient replacement, and trusted quality—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.
