Home / Champion 401 Copper Plus Spark Plug RS12YC - 1 Pack
Champion 401 Copper Plus Spark Plug RS12YC - 1 Pack
$13.77
Free shipping on all orders.
Qty In Stock: 20
The Champion 401 Copper Plus Spark Plug RS12YC 1 Pack is designed for dependable ignition and smooth engine performance, delivering efficient combustion and lasting durability for automotive, small engine, and general replacement applications. Built for reliable performance and convenient replacement, this spark plug helps support consistent starts and steady operation with trusted Champion quality.
Features & Benefits:
🔧 Champion Copper Plus construction supports reliable spark and efficient heat transfer
🔧 Copper-core design helps promote consistent ignition performance
🔧 Resistor-style plug helps reduce radio frequency interference
🔧 Convenient 1-pack replacement for straightforward maintenance
Specifications:
Brand & Part Number: Champion 401 (RS12YC)
Quantity: 1 Pack
Product Type: Copper Plus Spark Plug
Application: Automotive, small engine, and general replacement
Electrode Material: Copper Core
Plug Style: Resistor
Thread Size: 14mm
Reach: 19mm (3/4 in)
Hex Size: 5/8 in (16mm)
Heat Range: 12
Seat Type: Gasket
Resistor: Yes
Choose Champion 401 RS12YC 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.
