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Champion Copper Plus Spark Plug 439

CHAMPION
ELE1981
In stock
$5.88 $4.99
Description The Champion Copper Plus Spark Plug 439 delivers reliable ignition performance and durability for a...
$4.99

Champion Copper Plus Spark Plug 439

Description

The Champion Copper Plus Spark Plug 439 delivers reliable ignition performance and durability for a wide variety of automotive, marine, and powersports engines. Featuring a copper core center electrode, this spark plug improves electrical conductivity and heat dissipation, helping maintain consistent combustion and longer plug life.

Part of the trusted Champion Copper Plus series, the RC12MCC4 spark plug is engineered with superior corrosion resistance and meets ISO and SAE standards for proven performance. The built-in resistor helps maintain stable ignition operation and reduces electrical interference for modern engine systems.

With a 0.041 in (1.05 mm) pre-gap, 14 mm thread diameter, and 0.75 in reach, this spark plug serves as a dependable OEM-style replacement for numerous BMW, Chrysler, Dodge, Jeep, Toyota, Scion, Mitsubishi, Saturn, and various marine and powersports engines.

Features

  • Copper core center electrode for improved conductivity and heat control

  • Champion Copper Plus design for dependable performance and durability

  • Superior corrosion resistance for extended service life

  • Resistor design for stable ignition system operation

  • Built to ISO and SAE standards for proven reliability

  • Suitable for automotive, marine, and powersports applications

Specifications

  • Brand: Champion

  • Part Number: 439

  • Plug Type: RC12MCC4

  • Classification: Champion Copper Plus

  • Grade Type: Standard Replacement

  • Part Description: Spark Plug

Electrode Specifications

  • Center Electrode Tip Material: Copper

  • Center Electrode Design: Standard

  • Ground Electrode Quantity: 1

  • Ground Electrode Core Material: Nickel

  • Ground Electrode Tip Material: Nickel

Dimensions

  • Thread Diameter: 14.000 mm / 0.551 in

  • Reach: 0.75 in

  • Seat Type: Flat

  • Hex Size: 0.625 in / 15.880 mm

  • Insulator Height: 0.12 in

Performance

  • Manufacturer Heat Range: 12

  • Pre-Gap Size: 0.041 in / 1.05 mm

  • Resistor Type: Yes

Additional Details

  • Washer Included: Yes

  • Washer Type: Crush

  • Electrical Terminal Type: Non-Removable Nut

  • Hex Type: Hex

  • Indexed: No

  • Subject to Prop 65: No

Fitment

The Champion 439 spark plug is compatible with a broad range of applications including select models from:

Automotive Applications

  • BMW – 850Ci (1993–1997) V12

  • Chrysler – 200, Aspen, Sebring (2008–2014)

  • Dodge – Avenger, Caliber, Dakota, Durango, Journey, Ram 1500 (2000–2014)

  • Jeep – Commander, Compass, Grand Cherokee, Patriot (1999–2009)

  • Mitsubishi – Raider (2006–2007)

  • Saturn – Astra (2008–2009)

  • Scion – xB (2004–2006, 2013–2015)

  • Toyota – 4Runner, Echo, Pickup, Prius C

Powersports & Marine Applications

Compatible with select engines from:

  • Polaris (ACE 500, Ranger 500, Sportsman 450 HO)

  • Sea-Doo watercraft models

  • Mercury Marine outboard and jet drive engines

Always verify compatibility by year, make, model, and engine specification before installation.

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Shipping

Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.

Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.

Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.

Returns

Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.

Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.

Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.

Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).

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