Home / Champion 843 Copper Plus Spark Plug CJ8 - 8 Pack
Champion 843 Copper Plus Spark Plug CJ8 - 8 Pack
$35.77
Free shipping on all orders.
Qty In Stock: 20
The Champion 843 Copper Plus Spark Plug (CJ8) is designed for reliable ignition, smooth engine operation, and efficient combustion. Featuring a copper core and nickel alloy electrode, it ensures strong spark, effective heat dissipation, and resistance to fouling. Ideal for small engine applications, such as lawn mowers and other outdoor equipment, the CJ8 offers dependable cold starts, improved fuel efficiency, and long-lasting performance.
Features & Benefits:
🔧 Copper core enhances conductivity and heat dissipation
🔧 Nickel alloy electrode resists fouling, corrosion, and wear
🔧 Pre-gapped for quick and precise installation
🔧 Provides smooth idle and reliable cold-start performance
Specifications:
Brand & Part Number: Champion 843 (CJ8)
Material: Copper Core with Nickel Alloy Electrode
Thread Size: 14mm
Reach: 0.46 in. (11.7mm)
Gap: Pre-gapped (~0.030 in.)
Ensure reliable ignition and optimal engine performance with Champion 843 Copper Plus Spark Plugs! 🔧
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.
