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CHAMPION RC12YC spark plug

RC12YC CHAMPION – Properties, Compatibility and Alternatives

The CHAMPION RC12YC spark plug represents a reliable ignition solution designed for optimal engine performance across various automotive applications. This CHAMPION spark plug RC12YC delivers consistent spark generation, ensuring proper fuel combustion in internal combustion engines. The RC12YC model combines proven engineering with durable construction materials to provide dependable service life under demanding operating conditions.

Advantages of the RC12YC CHAMPION

  • Superior electrode design ensures reliable ignition across varying temperature ranges and operating conditions
  • Copper core construction provides excellent heat dissipation and thermal conductivity for consistent performance
  • Resistor technology reduces electromagnetic interference while maintaining optimal Spark plug CHAMPION RC12YC efficiency
  • Durable ceramic insulator construction withstands thermal shock and mechanical stress during engine operation
  • Extended service intervals reduce maintenance frequency while ensuring reliable RC12YC CHAMPION spark plug performance
  • Compatible design facilitates straightforward installation and replacement procedures

Technical Data

Feature Value
Manufacturer Champion
Model CHAMPION RC12YC
Type Copper core resistor spark plug
Thread size 14mm x 1.25
Thread length 19mm (3/4 inch)
Wrench size 13/16 inch (20.6mm)
Heat range 12 (medium heat range)
Electrode gap 0.030 inch (0.76mm)
Resistance 5,000-10,000 ohms
Application Small engines, lawn equipment, marine applications

Compatibility and Areas of Application

The CHAMPION RC12YC spark plug demonstrates excellent compatibility with small displacement engines commonly found in outdoor power equipment and marine applications. This CHAMPION RC12YC spark plug serves as an ideal replacement component for various engine configurations requiring reliable ignition performance. Primary applications include:

  • Lawn mowers and garden tractors with single-cylinder engines
  • Chainsaws and brush cutters requiring dependable ignition systems
  • Small marine outboard motors and boat engines
  • Generators and portable power equipment applications
  • Agricultural equipment with compatible engine specifications

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
Briggs & Stratton Various small engine models
Honda GX series small engines
Kohler Command series engines
Tecumseh Small engine applications

Application Notes and Important Questions

  • What maintenance interval should be followed when using RC12YC CHAMPION in small engines? Regular inspection every 100 operating hours ensures optimal performance and prevents ignition-related issues.
  • How does proper gap setting affect CHAMPION spark plug RC12YC performance? Maintaining the specified 0.030-inch gap ensures consistent spark strength and prevents misfiring under varying load conditions.
  • Can this spark plug withstand extended storage periods without performance degradation? The copper core construction and ceramic insulator provide excellent shelf stability when stored in dry conditions.
  • What signs indicate replacement necessity for this ignition component? Carbon buildup, electrode wear, or irregular engine operation typically signal the need for spark plug replacement.

Conclusion

The CHAMPION RC12YC spark plug delivers reliable ignition performance for small engine applications requiring dependable operation under varying conditions. This proven RC12YC CHAMPION combines durable construction with precise engineering specifications to ensure consistent engine performance. Professional installation and regular maintenance maximize service life while maintaining optimal ignition system efficiency.

500 items
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Copper Centre Electrode
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 16 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M14x1.25
  • Connector type: SAE
  • Technical Information Number: RC12YC
  • 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
  • Projection [mm]: 1,5
  • Item number: CCH71S
  • Manufacturer: CHAMPION
  • EAN number: 4060426472511
  • Condition: New
Show OEM numbers of the product
Details
In stock
-45%
compared to RRP 5,89 €

3,21 €
Price per item

price incl. 23% VAT

excl. delivery costs

  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Copper Centre Electrode
  • Electrode Gap [mm]: 0,8
  • 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: RC12YC
  • 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: OE013/T10
  • Manufacturer: CHAMPION
  • EAN number: 5010874507159
  • Condition: New
Show OEM numbers of the product
Details
In stock
-46%
compared to RRP 7,54 €

4,02 €
Price per item

price incl. 23% VAT

excl. delivery costs

  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Copper Centre Electrode
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 16 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M14x1.25
  • Connector type: M4 / SAE
  • Self-service suited packaging see parts list
  • Packing Type: Blister Pack
  • Technical Information Number: RC12YC
  • Tightening torque from [Nm]: 25
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 14,3
  • Packaging width [cm]: 6,2
  • Packaging height [cm]: 2
  • Resistor from [kOhm]: 3
  • Resistor to [kOhm]: 9
  • Projection [mm]: 1,5
  • Item number: CCH711
  • Manufacturer: CHAMPION
  • EAN number: 37551011025
  • Condition: New
Show OEM numbers of the product
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In stock
-43%
compared to RRP 7,52 €

4,26 €
Price per item

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excl. delivery costs

  • Spark Plug: 1 - Earthed Electrode, with gasket seat
  • Electrode Gap [mm]: 1
  • Spanner Size: 16 mm
  • Thread Length [mm]: 26,5
  • Thread Size: M14x1.25
  • Connector type: SAE
  • Technical Information Number: REC12MCC4
  • Tightening torque from [Nm]: 20
  • Tightening torque to [Nm]: 30
  • Resistor from [kOhm]: 3
  • Resistor to [kOhm]: 10
  • Projection [mm]: 3
  • Item number: REC12MCC4
  • Manufacturer: CHAMPION
  • EAN number: 37551161379
  • Condition: New
Details
In stock
1,92 €

price incl. 23% VAT

excl. delivery costs

  • 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
  • Self-service suited packaging see parts list
  • Packing Type: Blister Pack
  • Technical Information Number: RJ17LM
  • Tightening torque from [Nm]: 25
  • Tightening torque to [Nm]: 30
  • Packaging length [cm]: 14,3
  • Packaging width [cm]: 6,2
  • Packaging height [cm]: 2
  • Resistor from [kOhm]: 6
  • Resistor to [kOhm]: 15
  • Item number: CCH8561
  • Manufacturer: CHAMPION
  • EAN number: 37551011179
  • Condition: New
Show OEM numbers of the product
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In stock (Item(s) left: 4)
-70%
compared to RRP 7,50 €

2,23 €
Price per item

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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
Show OEM numbers of the product
Details
In stock
-53%
compared to RRP 5,90 €

2,74 €
Price per item

price incl. 23% VAT

excl. delivery costs

  • 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: C9YC
  • 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: OE003/T10
  • Manufacturer: CHAMPION
  • EAN number: 5010874505100
  • Condition: New
Show OEM numbers of the product
Details
In stock
-53%
compared to RRP 6,08 €

2,81 €
Price per item

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excl. delivery costs

  • 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
-58%
compared to RRP 6,97 €

2,90 €
Price per item

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excl. delivery costs

Product version: New
  • 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: Cu-core GE
  • Thread Length [mm]: 19
  • Spark Position [mm]: 2,4
  • Thread Size: M10x1.0
  • Connector type: M4 / SAE
  • Packing Type: Box
  • Technical Information Number: P-RG4HCC
  • 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]: 3
  • Resistor to [kOhm]: 8
  • Projection [mm]: 0,8
  • Item number: P-RG4HCC/T10
  • Manufacturer: CHAMPION
  • EAN number: 4044197492398
  • Condition: New
Details
In stock (Item(s) left: 8)
-54%
compared to RRP 6,45 €

2,92 €
Price per item

price incl. 23% VAT

excl. delivery costs

  • 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
Show OEM numbers of the product
Details
In stock
-50%
compared to RRP 5,92 €

2,96 €
Price per item

price incl. 23% VAT

excl. delivery costs

  • 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
-67%
compared to RRP 9,09 €

3,00 €
Price per item

price incl. 23% VAT

excl. delivery costs

  • 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
-57%
compared to RRP 7,01 €

3,00 €
Price per item

price incl. 23% VAT

excl. delivery costs

  • 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
-49%
compared to RRP 5,92 €

3,00 €
Price per item

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excl. delivery costs

  • 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
Show OEM numbers of the product
Details
In stock
-48%
compared to RRP 5,83 €

3,01 €
Price per item

price incl. 23% VAT

excl. delivery costs

  • 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 (Item(s) left: 5)
-51%
compared to RRP 6,22 €

3,02 €
Price per item

price incl. 23% VAT

excl. delivery costs

  • 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
Details
In stock
-37%
compared to RRP 4,91 €

3,05 €
Price per item

price incl. 23% VAT

excl. delivery costs

  • 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
-49%
compared to RRP 6,08 €

3,07 €
Price per item

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excl. delivery costs

  • 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
Details
In stock
-48%
compared to RRP 6,06 €

3,15 €
Price per item

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excl. delivery costs

  • 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
Show OEM numbers of the product
Details
In stock
-41%
compared to RRP 6,42 €

3,75 €
Price per item

price incl. 23% VAT

excl. delivery costs

  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with taper seat, Nickel Middle Electrode
  • Electrode Gap [mm]: 0,7
  • Spanner Size: 16 mm
  • Quality / Grade: Nickel GE
  • Thread Length [mm]: 8,3
  • Spark Position [mm]: 1,5
  • Thread Size: M14x1.25
  • Connector type: SAE
  • Packing Type: Box
  • Technical Information Number: DJ6J
  • Tightening torque from [Nm]: 15
  • Tightening torque to [Nm]: 20
  • Packaging length [cm]: 9,5
  • Packaging width [cm]: 2,4
  • Packaging height [cm]: 2,2
  • Item number: CCH851
  • Manufacturer: CHAMPION
  • EAN number: 37551001033
  • Condition: New
Details
In stock
-28%
compared to RRP 7,26 €

5,21 €
Price per item

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excl. delivery costs

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