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CHAMPION 12YC spark plug

12YC CHAMPION - Properties, Compatibility and Alternatives

The CHAMPION 12YC spark plug represents a reliable ignition component designed for optimal engine performance in various automotive applications. This Spark plug CHAMPION 12YC delivers consistent spark generation through its copper core construction and proven electrode design. The model serves as a standard replacement option for numerous vehicle manufacturers seeking dependable ignition system components.

Advantages of the 12YC CHAMPION

  • Copper core construction provides excellent heat dissipation and thermal conductivity for consistent performance
  • Standard thread design ensures proper fitment across multiple vehicle applications without compatibility issues
  • The Spark plug 12YC CHAMPION features a resistor element that reduces electromagnetic interference with electronic systems
  • Durable electrode materials resist wear and corrosion, extending operational lifespan in demanding conditions
  • Pre-gapped design eliminates adjustment requirements during installation, simplifying maintenance procedures
  • The 12YC CHAMPION spark plug maintains stable ignition characteristics across varying temperature ranges and operating conditions

Technical Data

Feature Value
Manufacturer Champion
Model CHAMPION 12YC
Type Copper core resistor spark plug
Thread size 14mm
Thread length 19mm (3/4 inch)
Wrench size 5/8 inch (16mm)
Heat range 12 (medium heat range)
Electrode gap 0.035 inch (0.9mm)
Resistance 5000-10000 ohms
Application Automotive gasoline engines

Compatibility and Areas of Application

The CHAMPION 12YC spark plug demonstrates broad compatibility with various automotive applications, particularly in older vehicle models and small engines. This CHAMPION 12YC spark plug works effectively in carbureted engines where standard heat range characteristics are required. The component fits applications requiring 14mm thread diameter with 19mm reach specifications.

  • Classic American automotive applications from the 1970s through 1990s
  • Small engine applications including lawn mowers and generators
  • Marine engines requiring standard heat range spark plugs
  • Industrial equipment with gasoline-powered engines

Suitable for the following vehicle models and equivalents

It is important to mention that alternative products can be found on AUTODOC. Currently, there are over 7000 items available in the spark plugs category.

Car maker Car Model
Ford F-150 (1980-1996), Mustang (1979-1995)
Chevrolet Silverado (1988-1998), Camaro (1982-1992)
Dodge Ram (1981-1993), Dakota (1987-1996)
Plymouth Voyager (1984-1995), Grand Voyager (1987-1995)

Application Notes and Important Questions

  • What gap setting should be maintained for optimal performance? The 12YC CHAMPION comes pre-gapped at 0.035 inches and typically requires no adjustment
  • How frequently should replacement occur? Standard Spark plug CHAMPION 12YC replacement intervals range from 30,000 to 50,000 miles depending on driving conditions
  • Can this spark plug handle high-performance applications? The copper core design suits standard applications but may not provide optimal performance in high-compression or modified engines
  • What torque specification applies during installation? Apply 25-30 foot-pounds of torque to ensure proper seating without thread damage

Conclusion

The CHAMPION 12YC delivers reliable ignition performance for standard automotive and small engine applications requiring proven copper core technology. This 12YC CHAMPION maintains consistent operational characteristics while providing cost-effective maintenance solutions for older vehicle platforms and industrial equipment.

500 items
  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Nickel Middle Electrode
  • Electrode Gap [mm]: 0,7
  • Spanner Size: 19 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 9,5
  • Spark Position [mm]: 3
  • Thread Size: M14x1.25
  • Connector type: SAE
  • Packing Type: Box
  • Technical Information Number: CJ8Y
  • Tightening torque from [Nm]: 25
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 9,5
  • Packaging width [cm]: 2,4
  • Packaging height [cm]: 2,2
  • Projection [mm]: 1,5
  • Item number: CCH848
  • Manufacturer: CHAMPION
  • EAN number: 37551001132
  • Condition: New
Details
In stock
-74%
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Product version: New
  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Nickel Middle Electrode
  • Electrode Gap [mm]: 0,5
  • Spanner Size: 19 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 9,5
  • Spark Position [mm]: 1,5
  • Thread Size: M14x1.25
  • Connector type: M4 / SAE
  • Self-service suited packaging see parts list
  • Packing Type: Blister Pack
  • Technical Information Number: CJ6
  • Tightening torque from [Nm]: 25
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 14,3
  • Packaging width [cm]: 6,2
  • Packaging height [cm]: 2
  • Item number: CCH849C
  • Manufacturer: CHAMPION
  • EAN number: 37551011339
  • Condition: New
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  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Nickel Middle Electrode
  • Electrode Gap [mm]: 0,7
  • Spanner Size: 19 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 9,5
  • Spark Position [mm]: 3
  • Thread Size: M14x1.25
  • Connector type: SAE
  • Technical Information Number: CJ6Y
  • Tightening torque from [Nm]: 25
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 16,72
  • Packaging width [cm]: 11,74
  • Packaging height [cm]: 10,7
  • Projection [mm]: 1,5
  • Item number: CCH858S
  • Manufacturer: CHAMPION
  • EAN number: 37551161003
  • Condition: New
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-68%
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  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Nickel Middle Electrode
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 21 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 9,5
  • Spark Position [mm]: 1,5
  • Thread Size: M14x1.25
  • Connector type: M4 / SAE
  • Technical Information Number: J17LM
  • Tightening torque from [Nm]: 25
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 16,72
  • Packaging width [cm]: 11,74
  • Packaging height [cm]: 10,7, 2,032
  • Item number: CCH845S
  • Manufacturer: CHAMPION
  • EAN number: 37551790371
  • Condition: New
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In stock
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  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Copper Centre Electrode
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 21 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 9,5
  • Spark Position [mm]: 1,5
  • Thread Size: M14x1.25
  • Connector type: M4 / SAE
  • Packing Type: Box
  • Technical Information Number: RJ6C
  • Tightening torque from [Nm]: 25
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 9,5
  • Packaging width [cm]: 2,4
  • Packaging height [cm]: 2,2
  • Resistor from [kOhm]: 6
  • Resistor to [kOhm]: 15
  • Item number: CCH102
  • Manufacturer: CHAMPION
  • EAN number: 37551000524
  • Condition: New
Details
In stock
-64%
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£1.99
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  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Copper Centre Electrode
  • Electrode Gap [mm]: 0,7
  • Spanner Size: 16 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 12,7
  • Spark Position [mm]: 2,4
  • Thread Size: M10x1.0
  • Connector type: M4 / SAE
  • Packing Type: Box
  • Technical Information Number: P-RZ9HC
  • Tightening torque from [Nm]: 10
  • Tightening torque to [Nm]: 15
  • Packaging length [cm]: 8,65
  • Packaging width [cm]: 2,45
  • Packaging height [cm]: 2,45
  • Resistor from [kOhm]: 6
  • Resistor to [kOhm]: 15
  • Projection [mm]: 0,8
  • Item number: P-RZ9HC/T10
  • Manufacturer: CHAMPION
  • EAN number: 4044197440535
  • Condition: New
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  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Copper Centre Electrode
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 21 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M14x1.25
  • Connector type: M4 / SAE
  • Packing Type: Box
  • Technical Information Number: N9YC
  • Tightening torque from [Nm]: 25
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 8,65
  • Packaging width [cm]: 2,45
  • Packaging height [cm]: 2,45
  • Projection [mm]: 1,5
  • Item number: OE001/T10
  • Manufacturer: CHAMPION
  • EAN number: 5010874505605
  • Condition: New
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In stock
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  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Copper Centre Electrode
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 16 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M12x1.25
  • Connector type: SAE
  • Packing Type: Box
  • Technical Information Number: RA7YC
  • Tightening torque from [Nm]: 20
  • Tightening torque to [Nm]: 25
  • Packaging length [cm]: 8,65
  • Packaging width [cm]: 2,45
  • Packaging height [cm]: 2,45
  • Resistor from [kOhm]: 3
  • Resistor to [kOhm]: 8
  • Projection [mm]: 1,5
  • Item number: OE199/T10
  • Manufacturer: CHAMPION
  • EAN number: 4044197463398
  • Condition: New
Show OEM numbers of the product
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In stock
-28%
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  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Nickel Middle Electrode
  • Electrode Gap [mm]: 0,7
  • Spanner Size: 19 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 9,5
  • Spark Position [mm]: 3
  • Thread Size: M14x1.25
  • Connector type: SAE
  • Packing Type: Box
  • Technical Information Number: RCJ6Y
  • Tightening torque from [Nm]: 25
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 9,5
  • Packaging width [cm]: 2,4
  • Packaging height [cm]: 2,2
  • Resistor from [kOhm]: 6
  • Resistor to [kOhm]: 15
  • Projection [mm]: 1,5
  • Item number: CCH852
  • Manufacturer: CHAMPION
  • EAN number: 37551001040
  • Condition: New
Details
In stock
-50%
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£2.99
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Product version: New
  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with taper seat, Copper Centre Electrode
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 16 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 17,5
  • Spark Position [mm]: 3
  • Thread Size: M14x1.25
  • Connector type: M4 / SAE
  • Packing Type: Box
  • Technical Information Number: S9YC
  • Tightening torque from [Nm]: 15
  • Tightening torque to [Nm]: 20
  • Packaging length [cm]: 8,65
  • Packaging width [cm]: 2,45
  • Packaging height [cm]: 2,45
  • Projection [mm]: 1,5
  • Item number: OE009/T10
  • Manufacturer: CHAMPION
  • EAN number: 5010874505704
  • Condition: New
Show OEM numbers of the product
Details
In stock
-42%
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£2.99
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  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Nickel Middle Electrode
  • Electrode Gap [mm]: 0,5
  • Spanner Size: 19 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 9,5
  • Spark Position [mm]: 3,4
  • Thread Size: M14x1.25
  • Connector type: M4 / SAE
  • Packing Type: Box
  • Technical Information Number: CJ7Y
  • Tightening torque from [Nm]: 25
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 8,65
  • Packaging width [cm]: 2,45
  • Packaging height [cm]: 2,45
  • Projection [mm]: 1,5
  • Item number: CJ7Y/T10
  • Manufacturer: CHAMPION
  • EAN number: 5010874504219
  • Condition: New
Details
In stock
-44%
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Price per item
£11.96 / Price per 4 items

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  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Nickel Middle Electrode
  • Electrode Gap [mm]: 0,7
  • Spanner Size: 16 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 12,5
  • Spark Position [mm]: 3
  • Thread Size: M10x1.0
  • Connector type: M4 / SAE
  • Packing Type: Box
  • Technical Information Number: Z9Y
  • Tightening torque from [Nm]: 10
  • Tightening torque to [Nm]: 15
  • Packaging length [cm]: 8,65
  • Packaging width [cm]: 2,45
  • Packaging height [cm]: 2,45
  • Projection [mm]: 1,5
  • Item number: Z9Y/T10
  • Manufacturer: CHAMPION
  • EAN number: 4044197387472
  • Condition: New
Details
In stock
-45%
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  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Nickel Middle Electrode
  • Electrode Gap [mm]: 0,6
  • Spanner Size: 19 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 9,5
  • Spark Position [mm]: 1,0
  • Thread Size: M14x1.25
  • Connector type: M4 / SAE
  • Packing Type: Box
  • Technical Information Number: CJ8
  • Tightening torque from [Nm]: 25
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 8,65
  • Packaging width [cm]: 2,45
  • Packaging height [cm]: 2,45
  • Projection [mm]: -0,4
  • Item number: CJ8/T10
  • Manufacturer: CHAMPION
  • EAN number: 5010874505209
  • Condition: New
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  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Nickel Middle Electrode
  • Electrode Gap [mm]: 0,7
  • Spanner Size: 21 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 9,5
  • Spark Position [mm]: 1,5
  • Thread Size: M14x1.25
  • Connector type: M4 / SAE
  • Technical Information Number: J19LM
  • Tightening torque from [Nm]: 25
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 16,72
  • Packaging width [cm]: 11,74
  • Packaging height [cm]: 10,7, 2,2
  • Item number: CCH861S
  • Manufacturer: CHAMPION
  • EAN number: 4060426472535
  • Condition: New
Details
In stock
-36%
compared to RRP £5.21

£3.29
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Product version: New
  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Copper Centre Electrode
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 21 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 12,7
  • Spark Position [mm]: 3
  • Thread Size: M14x1.25
  • Connector type: M4 / SAE
  • Packing Type: Box
  • Technical Information Number: L92YC
  • Tightening torque from [Nm]: 25
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 8,65
  • Packaging width [cm]: 2,45
  • Packaging height [cm]: 2,45
  • Projection [mm]: 1,5
  • Item number: OE059/T10
  • Manufacturer: CHAMPION
  • EAN number: 5010874507517
  • Condition: New
Show OEM numbers of the product
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In stock
-36%
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  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Nickel Middle Electrode
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 19 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 9,5
  • Spark Position [mm]: 1,5
  • Thread Size: M14x1.25
  • Connector type: SAE
  • Packing Type: Box
  • Technical Information Number: CJ14
  • Tightening torque from [Nm]: 25
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 9,5
  • Packaging width [cm]: 2,4
  • Packaging height [cm]: 2,2
  • Item number: CCH846
  • Manufacturer: CHAMPION
  • EAN number: 37551000630
  • Condition: New
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In stock
-40%
compared to RRP £5.52

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  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Nickel Middle Electrode
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 21 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 9,5
  • Spark Position [mm]: 1,5
  • Thread Size: M14x1.25
  • Connector type: SAE
  • Technical Information Number: RJ19LM
  • Tightening torque from [Nm]: 25
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 16,72
  • Packaging width [cm]: 11,74
  • Packaging height [cm]: 10,7
  • Resistor from [kOhm]: 6
  • Resistor to [kOhm]: 15
  • Item number: CCH868S
  • Manufacturer: CHAMPION
  • EAN number: 37551121427
  • Condition: New
Details
In stock
-57%
compared to RRP £7.81

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  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Copper Centre Electrode
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 21 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 9,5
  • Spark Position [mm]: 1,5
  • Thread Size: M14x1.25
  • Connector type: M4 / SAE
  • Packing Type: Box
  • Technical Information Number: J8C
  • Tightening torque from [Nm]: 25
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 8,65
  • Packaging width [cm]: 2,45
  • Packaging height [cm]: 2,45
  • Item number: J8C/T10
  • Manufacturer: CHAMPION
  • EAN number: 5010874505407
  • Condition: New
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In stock
-35%
compared to RRP £5.08

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£13.16 / Price per 4 items

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Sold by AUTODOC

  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, Nickel Middle Electrode
  • Electrode Gap [mm]: 0,6
  • Spanner Size: 19 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 9,5
  • Spark Position [mm]: 1,0
  • Thread Size: M14x1.25
  • Connector type: SAE
  • Technical Information Number: CJ8
  • Tightening torque from [Nm]: 25
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 16,72
  • Packaging width [cm]: 11,74
  • Packaging height [cm]: 10,7
  • Projection [mm]: -0,4
  • Item number: CCH843S
  • Manufacturer: CHAMPION
  • EAN number: 4060426472528
  • Condition: New
Show OEM numbers of the product
Details
In stock
-35%
compared to RRP £5.08

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Price per item
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Sold by AUTODOC

  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Copper Centre Electrode
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 16 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M14x1.25
  • Connector type: M4 / SAE
  • Packing Type: Box
  • Technical Information Number: RC9YC
  • Tightening torque from [Nm]: 25
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 8,85
  • Packaging width [cm]: 2,6
  • Packaging height [cm]: 2,35
  • Resistor from [kOhm]: 3
  • Resistor to [kOhm]: 9
  • Projection [mm]: 1,5
  • Item number: OE005/T10
  • Manufacturer: CHAMPION
  • EAN number: 5010874505155
  • Condition: New
Show OEM numbers of the product
Details
In stock
-48%
compared to RRP £6.41

£3.29
Price per item
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