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Champion

Champion Copper Plus 401 (RS12YC) Pack of 1 (UPC 037551000401) for 1975 - 2020 Chevrolet Silverado 1500

  • Based on 484 reviews
Condition: New
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Availability: 19 left in stock
Fulfilled by LEADERS RPM
Arrives Friday, Jun 26
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Part Number: 401


Style: 1


Features

  • Copper Plus - Dependable Performance and Durability
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Inhibits corrosion
  • Built to ISO and SAE standards for proven performance

Description

Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

Brand: Champion


Core Material: Copper


Thread Size: 14mm


Top Material Type: Metal


Vehicle Service Type: Car, Truck


Brand Name: Champion


Manufacturer Part Number: 401


Global Trade Identification Number: 01


UPC: 037551000401


OEM Equivalent Part Number: 3851857, 3854399, 3856759, 502181


Model Number: 401


Unit Count: 1.0 Count


Manufacturer Warranty Description: 2 Year unlimited mileage guarantee or the Manufacturer recommended change interval, whichever comes last. Excludes Commercial or performance usage


Included Components: Champion Copper Plus 401 Spark Plug (Carton of 1) - RS12YC for 1975 - 2020 Chevrolet Silverado 1500


Item Type Name: Champion Copper Plus 401 Spark Plug (Carton of 1) - RS12YC for 1975 - 2020 Chevrolet Silverado 1500


Item Weight: 0.03 Kilograms


Manufacturer: Champion


Thread Size: 14mm


Compatible with Vehicle Type: Car, Truck


Automotive Fit Type: Vehicle Specific Fit


Core Material: Copper


Top Material Type: Metal


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Jun 26

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
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  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • A good Sparke plage!
Part Number: 401 Style: 1
The RS-12YC Sparke plug is the one I put into my Generator and my Gen. fire right up this winter and gave us very thing we needed this winter when our power went off!
Reviewed in the United States on February 2, 2026 by Ronald Walls
    • Do the job designed to do
Part Number: 401 Style: 1
I have always used Champion spark plugs and am pleased with the quality. They do the job they are supposed to do and last long.
Reviewed in the United States on December 28, 2025 by Nad Reese
    • It worked
Part Number: 401 Style: 1
It worked
Reviewed in the United States on March 19, 2026 by Fred
    • Good price and quality
Part Number: 401 Style: 1
I always use copper plugs in my 99 Chevy and have bought these for my last two. They fit right, each plug has so far been gapped properly and the performance of my old vortec is still smooth and sounds great when I get on it. Good value
Reviewed in the United States on September 17, 2023 by Lee Anthony
    • Making sure the gap is accurate before installing
Part Number: 401 Style: 1
Good spark plug don't know what heat range it is but working fine customer has no complaints
Reviewed in the United States on September 15, 2025 by larry
    • Great plugs
Part Number: 401 Style: 1
Got my Cub Cadet mower purring again.
Reviewed in the United States on October 17, 2025 by MikeM
    • Weak ceramic
Part Number: 401 Style: 1
You must be very careful when installing this plug. Any slight misalignment and the ceramic cracks. Recommend... Do Not Buy
Reviewed in the United States on November 11, 2025 by Worldy experienced.
    • You spark up my life
Part Number: 401 Style: 1
For me, this exact spark plug at the store was a little more difficult than anticipated. Luckily, I was able to find them on Amazon (as usual) and with the price being right. The threading on the plug is a perfect cut and installation was a breeze. Spark was immediate and I am back to mowing with no issues. I would recommend. ... show more
Reviewed in the United States on June 13, 2022 by Alex Soper

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