Champion Copper Marine Spark Plug 828M in bulk pack for reliable ignition in marine engines.
Close-up of Champion 828M thread and flat-seat design ensuring proper seating.
Thread detail highlights 14mm thread and 12.7mm reach for marine fit.
Champion Copper Marine Spark Plug 828M installed for smooth startup.
Champion Copper Marine Spark Plug 828M in bulk pack for reliable ignition in marine engines.
Close-up of Champion 828M thread and flat-seat design ensuring proper seating.
Thread detail highlights 14mm thread and 12.7mm reach for marine fit.
Champion Copper Marine Spark Plug 828M installed for smooth startup.

Champion Copper Marine Spark Plug 828M QL77JC4 – Pack of 6

Premium Replacement Spark Plugs for Marine Use Meet the Champion Copper Marine Spark Plug 828M QL77JC4, a...
Vendor: Champion828M QL77JC4
Availability: In stock
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Champion Copper Marine Spark Plug 828M in bulk pack for reliable ignition in marine engines.

Champion Copper Marine Spark Plug 828M QL77JC4 – Pack of 6

£39.93
Champion Copper Marine Spark Plug 828M in bulk pack for reliable ignition in marine engines.
Close-up of Champion 828M thread and flat-seat design ensuring proper seating.
Thread detail highlights 14mm thread and 12.7mm reach for marine fit.
Champion Copper Marine Spark Plug 828M installed for smooth startup.

Champion Copper Marine Spark Plug 828M QL77JC4 – Pack of 6

£39.93
Description
Description
x

Premium Replacement Spark Plugs for Marine Use

Meet the Champion Copper Marine Spark Plug 828M QL77JC4, a six-pack crafted for dependable ignition on compatible marine engines. Built to endure salty spray, vibration, and temperature shifts, these plugs deliver robust construction and consistent performance. Bulk packed for easy stocking, they’re ready when you need quick, reliable swaps on your boat.

What’s included

  • Six spark plugs with genuine OEM designation QL77JC4-6PK
  • Specifications: 14 mm thread, 12.7 mm reach, flat seat, 21 mm hex, non-projected tip, standard type, solid terminal
  • New, bulk packed for convenient maintenance

Key specs at a glance

  • Genuine Champion replacement part for marine engines
  • Thread: 14 mm; Reach: 12.7 mm; Seat: flat; Hex: 21 mm
  • Tip configuration: non-projected; Type: standard; Terminal: solid

Real-world use scenarios

In saltwater environments and under engine vibration, reliable ignition and steady combustion are valuable. These plugs can contribute to crisp throttle response and steady idle, making boat journeys smoother across varying conditions.

  • Weekend fishing boats needing dependable starts
  • Daily-tow or sailboats seeking predictable ignition
  • Routine maintenance to minimize downtime and ensure readiness

Installation and compatibility tips

Always verify part number and compatibility with your engine manual. When installing, follow recommended torque and seating practices to ensure proper engagement and a tight seal.

  • Confirm compatibility with your model using the QL77JC4-6PK part number
  • Refer to the owners manual for torque and seating guidance
  • Inspect nearby ignition components for wear and replace as needed

Quality assurance

This six-pack is a genuine OEM replacement part from Champion, designed to meet the brand’s standards for marine performance and reliability.

FAQ

Q: What’s included in this six-pack?

A: Six Champion 828M QL77JC4 spark plugs, 14mm thread, 12.7mm reach, flat-seat, standard solid terminals, bulk-packed.

Q: How do I verify compatibility for my engine model?

A: Check the owner's manual or compatibility list to confirm part number QL77JC4-6PK matches your engine.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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