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Champion Copper Plus Spark Plug 21
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Champion Copper Plus Spark Plug 21

CHAMPION
ELE1948
In stock
$3.82 $3.50
Description The Champion Copper Plus Spark Plug 21 (RF14YC) is engineered to deliver dependable ignition performance...
$3.50
Champion Copper Plus Spark Plug 21
Description

Description

The Champion Copper Plus Spark Plug 21 (RF14YC) is engineered to deliver dependable ignition performance and long service life. Featuring a copper core center electrode, this spark plug improves conductivity and heat control to help maintain consistent combustion and reduce electrode wear during normal engine operation.

Built to ISO and SAE standards, Champion Copper Plus spark plugs are designed for reliable replacement performance across a wide range of engines. The copper core allows for accurate heat range control, helping support longer plug life and stable ignition performance.

Constructed with nickel and nickel-copper alloy electrodes, this spark plug provides strong corrosion resistance and durability. With a tapered seat design, resistor construction, and factory pre-gap, the RF14YC spark plug supports reliable engine performance and smooth ignition operation.

Features

  • Copper core center electrode improves conductivity and heat control

  • Built to ISO and SAE standards for proven performance

  • Nickel center and ground electrodes for durability and corrosion resistance

  • Resistor design helps reduce electrical interference

  • Copper Plus construction for dependable performance and durability

  • Pre-gapped design for easier installation

Specifications

  • Brand: Champion Spark Plugs

  • Plug Type: RF14YC

  • Classification: Champion Copper Plus

  • Ground Electrode Core Material: Nickel

  • Ground Electrode Material: Nickel Copper Alloy

  • Center Electrode Tip Material: Nickel

  • Center Electrode Diameter: 0.094 in

  • Electrical Terminal Type: Removable Nut

  • Pre-Gap Size: 0.040 in / 1.02 mm

  • Ground Electrode Quantity: 1

  • Manufacturer Heat Range: 14

  • Seat Type: Tapered

  • Reach: 0.429 in

  • Thread Diameter: 0.709 in / 18.000 mm

  • Hex Type: Hex

  • Hex Size: 0.813 in / 20.650 mm

  • Installed Height: 2.27 in

  • Insulator Height: 0.06 in

  • Insulator Projection: 0.06 in

  • Taper Diameter: 0.34 in

Application Summary

  • Ford Light Truck: 2.8L L6 (1965), 3.9L L6 (1965–1971), 4.9L L6 (1965–1966), 5.0L V8 (1968–1974), 5.8L V8 (1967–1974), 5.9L V8 (1968–1977), 6.4L V8 (1971–1976), 6.7L V8 (1974), 7.0L V8 (1972)

  • Ford Passenger Car: 2.3L L6 (1955–1956), 2.4L L6 (1961), 2.8L L6 (1963–1965), 3.9L L6 (1965–1972)

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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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