Home / Champion 845 Copper Plus Spark Plug J17LM - 4 Pack
Champion 845 Copper Plus Spark Plug J17LM - 4 Pack
$23.77
Free shipping on all orders.
Qty In Stock: 20
The Champion 845 Copper Plus Spark Plug J17LM 4 Pack is designed for dependable ignition, delivering smooth engine performance and lasting durability for small engines, lawn and garden equipment, and outdoor power applications. Built for reliable performance and convenient replacement, this item helps support consistent starts and efficient combustion with trusted quality and dependable operation.
Features & Benefits:
🔧 Includes 4 Champion J17LM Copper Plus spark plugs for convenient replacement
🔧 Copper core electrode design helps support efficient heat transfer and a reliable spark
🔧 Durable construction resists wear and fouling for consistent ignition performance
🔧 Designed for dependable starts and steady engine operation
Specifications:
Brand & Part Number: Champion 845 (J17LM)
Quantity: 4 Pack
Product Type: Copper Plus Spark Plug
Application: Small engine, lawn and garden, outdoor power equipment
Series: Copper Plus
Thread Size: 14mm
Reach: 9.5mm (3/8 in)
Hex Size: 3/4 in (19mm)
Seat Type: Gasket
Choose Champion J17LM Copper Plus spark plugs for reliable performance, convenient replacement, and trusted quality—order this 4 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.
