Home / Champion 841 Copper Plus Spark Plug J8C - 24 Pack
Champion 841 Copper Plus Spark Plug J8C - 24 Pack
$94.77
Free shipping on all orders.
Qty In Stock: 20
The Champion 841 Copper Plus Spark Plug J8C 24 Pack is designed for dependable ignition, smooth engine performance, and long-lasting durability for automotive, small engine, marine, 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 24 Champion J8C Copper Plus spark plugs for convenient replacement
🔧 Copper core center electrode helps support improved conductivity and heat dissipation
🔧 Reliable spark output helps support smooth starts and steady engine operation
🔧 Durable electrode construction resists wear and fouling
Specifications:
Brand & Part Number: Champion 841 (J8C)
Quantity: 24 Pack
Product Type: Copper Plus Spark Plug
Application: Automotive, small engine, marine, and powersports
Material: Copper core center electrode
Plug Type: Copper Plus Spark Plug
Thread Size: 14mm
Reach: 9.5mm (3/8 in)
Hex Size: 13/16 in (20.6mm)
Heat Range: 8
Seat Type: Gasket
Resistor: No
Terminal Type: Removable Nut
Choose Champion J8C Copper Plus spark plugs for reliable performance, convenient replacement, and trusted quality—order this 24 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.
Customer Reviews
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