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Advance Auto Parts Logo
1205 E Main St
Columbus, OH 43205
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Champion Copper Plus Spark Plug: Dependable Performance, OE Replacement, RC14YC

Part # 431
2 yr replacement if defective
$2.99
Add A Vehicle to Check Fitment
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Same Day Home Delivery

$8.99

Order By 7pm

Zip Code: 43205

Home Delivery

FREE for orders over $35

Standard Delivery Available

Curbside pickup is available at most stores

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Product Information

Product Details
Part No. 431
Warranty Details (2 YR REPLACEMENT IF DEFECTIVE)
Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

Product Features:
  • Copper Plus - Dependable Performance and Durability
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Superior corrosion resistance
  • Built to ISO and SAE standards for proven performance
  • Built to ISO and SAE standards for proven performance
Specifications
Center Electrode Tip Material:
Nickel

Classification:
Champion Copper Plus

Electrical Terminal Type:
Non-Removable Nut

Ground Electrode Core Material:
Nickel

Ground Electrode Quantity:
1

Hex Size:
0.625 in

Hex Type:
Hex

Indexed:
no

Insulator Height:
0.06 in

Manufacturer Heat Range:
14

Part Description:
Spark Plug

Plug Type:
RC14YC

Pre-Gap Size:
0.035 in

Reach:
0.75 in

Resistor Type:
YES

Seat Type:
Flat

Thread Diameter:
0.551 in

Washer Included:
YES

Washer Type:
Crush

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4.81 out of 5
728 Customer Reviews
95% of respondents would recommend this to a friend
Ratings Distribution
5 Stars
638
4 Stars
66
3 Stars
11
2 Stars
1
1 Star
12
I will only buy champion spark plugs for my Harley Davidsonspark plug for my pressure washerStarts every time...
Great plugs so farMuch needed tune upMy Sparkplug WarehouseStarted My Non-Starting Husqvarna Chainsaw Right UpBetter than before
Pros
36
Easy To Install
36
Improves Engine Efficiency
22
Durable
21
Increases Power
5
Lightweight
Cons
4
Difficult To Install
3
none
2
None
1
No Improvement In Performance
1
No rebate or promo
Best Uses
39
Everyday Driving
38
Replacement
12
Restoration
9
Performance Driving
3
Racing
Car & Truck
15
Auto Enthusiast
13
Casual Driver
6
Mechanic
6
Truck Enthusiast
1
Competitive Driver
Describe Yourself
8
Auto Enthusiast
8
Casual Driver
8
Mechanic
2
Competitive Driver
1
Truck Enthusiast
Most Liked Positive Review
Only trust champion in my Mopars
I only use Champion spark plugs in my Mopars and always will. Great plug for a great price.
Most Liked Negative Review
Don't Trust an On-Line Order
Made this an on-line order for four (4) spark plugs; waited about one hour and went to store for parts pick-up. They handed me a pack of the WRONG spark plugs. Waited until the guy actually found the correct ones, BUT they only had three (the on-line computer system said they had four.) Get this--since the order was "on line," it was not yet 'fully processed,' so the Parts Clerk was unable to re-write the order for 3 plugs, nor give me a credit. Waited in the store until the on-line order was FINALIZED. Wasted much time and after a while I said: "Look, just cancel the whole order, and I'll pay cash for the three plus you've got." This resulted in me LOOSING my cool 25% discount. What a colossal PITA!
Reviewed by 728 Customers
I would buy this product again
Submitted 22 days ago
Great replacement plug
Worked very well on a very old John Deere snowblower
Submitted 2 months ago
Standard spark plug, but no issues with it.
Bottom Line Yes, I would recommend to a friend
👍
Submitted 2 months ago
Worked as advertised
Bottom Line Yes, I would recommend to a friend
Great store!
Submitted 3 months ago
Convenient location, knowledgeable/friendly Staff and great prices.
Bottom Line Yes, I would recommend to a friend
I like the champion plug. I don't like the prices today even
Submitted 3 months ago
I put them in my Dodge trucks and cars because platinum in radium plugs suck and a Mopar
Bottom Line Yes, I would recommend to a friend
Displaying Reviews 1 - 5Back to Top

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Will this work on a 289 with hei ignition
Verified Reply - John the Car-Doc
Hi Ron! Since you didn't mention the specific vehicle, it's hard to tell for sure. To give you the correct information I would need the year, make, model, and engine size of the vehicle.
Is this compatible with champion UL-77V
Verified Reply - John the Car-Doc
No, Tony. This Champion Copper Plus Small Engine- Boxed - L77JC4 - Part # 821 does not replace the Champion Nickel Spark Plug - UL77V - Part # 831. However, we do offer the NGK OE Series Standard Nickel Spark Plug: Surface Discharge Tip Design, BUHXW-1 - Part # 5526 online. It replaces your Champion part # UL77V.
What Socket/Drive size do I need for this plug?
Verified Reply - Steve
Hi Amit, I'm glad to help you! This Champion Copper Plus Small Engine (Part # 868) will work fine with 13/16"- inch spark plug socket.
Can a RJ19LM spark plug be replaced with a Champion RC12YC
Verified Reply - Steve
No, Charles, this Champion Copper Plus Small Engine (Part # 868) is not equivalent for Champion RC12YC spark plug.
Why can't I order it now?
Verified Reply - Solomon
Hi William, happy to help you! We do handle only technical questions regarding product fitments, specifications, diagnosis and repairs. For order related inquiries, please feel free to call us at: 1-877-ADVANCE (238-2623) or contact our "Live Chat" support and one of our representatives will gladly assist you with any questions or concerns you may have.
Displaying Question & Answer 1-5

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