Home / Champion 31 Copper Plus Spark Plugs RN14MC5- 4 Pack
Champion 31 Copper Plus Spark Plugs RN14MC5- 4 Pack
$23.77
Free shipping on all orders.
Qty In Stock: 20
The Champion 31 Copper Plus Spark Plugs RN14MC5 4 Pack is designed to deliver dependable ignition, smooth engine performance, and long-lasting durability for automotive, motorcycle, small engine, and powersports applications. Built with Champion's trusted Copper Plus engineering, these spark plugs provide reliable starts, efficient combustion, and consistent performance under demanding operating conditions.
Features & Benefits:
🔧 Includes 4 Champion RN14MC5 Copper Plus spark plugs for convenient replacement
🔧 Copper core construction helps support efficient conductivity and reliable spark output
🔧 Durable electrode design resists wear and fouling for consistent engine operation
🔧 Designed for dependable heat transfer and smooth ignition performance
Specifications:
Brand & Part Number: Champion 31 (RN14MC5)
Quantity: 4 Pack
Product Type: Copper Plus Spark Plug
Application: Automotive, motorcycle, small engine, and powersports
Material: Copper core
Thread Size: 14mm
Reach: 19mm (3/4 in)
Hex Size: 5/8 in (16mm)
Heat Range: 14
Seat Type: Gasket
Resistor: Yes
Choose Champion RN14MC5 Copper Plus spark plugs for reliable performance, convenient replacement, and trusted quality—order this 4 pack 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.
