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Champion Copper Plus Spark Plug (J12YC): Dependable Performance & Durability
30 day warranty
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Product Information
Product Details
Part No. 10
Warranty Details (30 Day Warranty)
The Copper Plus Spark Plug delivers dependable performance and durability, making it an ideal OE-type replacement for your engine. Featuring a copper core center electrode, it ensures increased conductivity and precise heat control, promoting longer life and consistent performance. Its durable nickel center electrode tip enhances longevity, while the superior corrosion resistance ensures reliability even in challenging conditions. Designed to resist fouling, this spark plug maintains optimal engine efficiency over time. Built to ISO and SAE Standards, it guarantees proven performance and compatibility with a wide range of engines. The flat seat type and standard-grade design make it a reliable choice for maintaining your engine's peak performance. Whether you're looking for enhanced heat control or a spark plug that stands up to wear, this Champion spark plug is engineered to deliver exceptional value and reliability.
Product Features:
Product Features:
- Copper Plus - Dependable Performance and Durability
- OE type replacement plug
- Resists fouling
- 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
- Increased Conductivity and Heat Control: The Champion Copper Plus Small Engine Spark Plug features a copper core electrode that enhances conductivity and heat control, ensuring good overall wear.
- Durable Nickel Center Electrode Tip: The nickel center electrode tip material ensures durability, providing a longer lifespan for your engine's spark plug.
Specifications
Center Electrode Design:
Standard
Center Electrode Diameter (Inch):
0.1 in
Center Electrode Tip Material:
Nickel
Electrical Terminal Type:
Removable Nut
Grade Type:
Standard Replacement
Ground Electrode Core Material:
Nickel
Ground Electrode Material:
Nickel Copper Alloy
Ground Electrode Quantity:
1
Ground Electrode Tip Material:
Nickel
Hex Size:
20.650 mm
Hex Type:
Hex
Indexed:
No
Installed Height (Inch):
2.24 in
Insulator Height:
0.09 in
Manufacturer Heat Range:
12
Part Description:
Spark Plug
Pre-Gap Size:
0.89 mm
Reach:
0.375 in
Resistor Type:
No
Seat Type:
Flat
Thread Diameter:
14.000 mm
Washer Type:
Crush
Washer(s) Included:
Yes
4.81 out of 5
751 Customer Reviews
95% of respondents would recommend this to a friend
Ratings Distribution
5 Stars
660
4 Stars
66
3 Stars
11
2 Stars
2
1 Star
12
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
NA
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
Car
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 751 Customers
Only trust champion in my Mopars
I only use Champion spark plugs in my Mopars and always will. Great plug for a great price.
Bottom Line Yes, I would recommend to a friend
Thunder Under hood
Verified Buyer -
Good plugs like copper for better electrical charge transfer from wires to spark plug tip
Perfect for Toro Super Recycler mower
This spark plug fit my Toro super recycler 20384 as a replacement for Toro part 121-4199. Sales team provided excellent service, ordering the part from CT for next day store pickup.
Bottom Line Yes, I would recommend to a friend
The Right Spark Plug for Marine Use.
I use only this Champion QL78YC marine spark plug in my 1999 Johnson 130HP outboard motor! My motor is 22 years old and runs like a dream with these plugs! I run around 500 miles each year and a set of plugs lasts the entire season. I have never had a bad spark plug nor any on-water incidents using these plugs. Excellent Quality and burn evenly, i.e., consistently. If your Motor Manual calls for this Champion product, do not use a substitute and you be rewarded with outstanding power and consistency.
Bottom Line Yes, I would recommend to a friend
H12 Spark Plugs
Verified Buyer -
The best spark plugs for the old Ford tractor!
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