Skip to content

FREE SHIPPING ON EVERY ORDER ·

Home / Champion / Champion Copper Plus Small Engine 104 (RN4C) Pack of 1 (UPC 037551000845)

Champion

Champion Copper Plus Small Engine 104 (RN4C) Pack of 1 (UPC 037551000845)

Part number 104. GTIN 037551000845

$15.77

Free shipping on all orders.

Sold Out

The Champion 104 Copper Plus Spark Plug RN4C 1 Pack is designed to deliver reliable ignition and optimal engine performance for automotive and small engine applications. Built with Champion's trusted quality, this spark plug ensures efficient combustion and dependable starts in various operating conditions.

Features & Benefits:

🔧 Includes 1 Champion RN4C spark plug for convenient replacement
🔧 Copper core center electrode provides excellent conductivity and heat control
🔧 Designed for consistent performance in a wide range of temperatures
🔧 Durable construction resists fouling and wear for long-lasting use

Specifications:

Brand & Part Number: Champion 104 (RN4C)
Quantity: 1 Pack
Plug Type: Standard Spark Plug
Thread Size: 14mm
Reach: 19mm (3/4 in)
Hex Size: 5/8 in (16mm)
Heat Range: 4
Seat Type: Gasket
Resistor: Yes

Choose Champion RN4C spark plugs for dependable ignition performance and reliable engine operation—order this 1 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.