Home / Champion 31 Copper Plus Spark Plugs RN14MC5- 8 Pack
Champion 31 Copper Plus Spark Plugs RN14MC5- 8 Pack
$37.77
Free shipping on all orders.
Qty In Stock: 20
The Champion 31 Copper Plus Spark Plugs RN14MC5 8 Pack is designed for dependable ignition and consistent engine performance, delivering reliable starts, efficient combustion, and durable operation for automotive applications. Built for reliable performance and convenient replacement, this item helps support smooth engine operation with trusted quality and dependable spark output.
Features & Benefits:
🔧 Includes 8 Champion RN14MC5 Copper Plus spark plugs for convenient replacement
🔧 Copper core center electrode helps support efficient heat transfer and consistent ignition
🔧 Durable construction designed to resist wear and support steady engine operation
🔧 Resistor-type design helps reduce radio frequency interference
Specifications:
Brand & Part Number: Champion 31 (RN14MC5)
Quantity: 8 Pack
Product Type: Copper Plus Spark Plug
Application: Automotive
Thread Size: 14mm
Reach: 19mm (3/4 in)
Hex Size: 13/16 in
Heat Range: 14
Seat Type: Gasket
Resistor: Yes
Choose Champion Copper Plus RN14MC5 spark plugs for reliable performance, convenient replacement, and trusted quality—order this 8 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.
