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RC12Y spark plug

Spark plug RC12Y - Properties, Compatibility and Alternatives

The RC12Y spark plug represents a standard-heat range ignition component designed for reliable engine performance in various automotive applications. This RC12Y spark plug delivers consistent spark generation through its copper core electrode design and proven construction methodology. The component serves as a critical element in the combustion process, ensuring optimal fuel ignition timing and engine efficiency.

Advantages of the Spark plug RC12Y

  • Reliable ignition performance with consistent spark delivery across various operating conditions
  • Durable copper core construction that provides excellent heat dissipation and conductivity
  • Standard heat range design suitable for most conventional engines requiring Spark plug RC12Y specifications
  • Cost-effective solution for routine maintenance and replacement applications with RC12Y spark plug compatibility
  • Wide application range covering multiple vehicle manufacturers and engine types
  • Proven longevity with typical service intervals matching manufacturer recommendations

Technical Data

Feature Value
Manufacturer Champion
Model RC12Y
Type Copper core standard plug
Thread size 14mm
Thread length 19mm (3/4")
Wrench size 20.8mm (13/16")
Heat range 12 (standard)
Electrode gap 0.030" (0.76mm)
Resistance Non-resistor type
Application Small engines, lawn equipment, marine

Compatibility and Areas of Application

The RC12Y spark plug finds primary application in small displacement engines, particularly those found in lawn and garden equipment, marine outboard motors, and utility vehicles. This Spark plug RC12Y excels in applications requiring standard heat range characteristics and non-resistor spark delivery. The component's design specifications make it particularly suitable for:

  • Small displacement motorcycle engines
  • Lawn mower and garden tractor applications
  • Marine outboard motor systems
  • ATV and utility vehicle engines
  • Generator and stationary engine applications

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
Honda CB125, CB200, XL125
Yamaha DT125, RD125, YZ125
Kawasaki KE125, KD125, KS125
Suzuki TS125, GT125, RV125

Application Notes and Important Questions

  • What is the recommended gap setting for Spark plug RC12Y installation? The standard electrode gap should be set to 0.030 inches for optimal performance.
  • How frequently should RC12Y spark plug components be replaced in small engines? Replacement intervals typically range from 100-300 operating hours depending on application severity.
  • Can this spark plug be used in high-performance applications? The standard heat range makes it unsuitable for modified or high-compression engines requiring colder heat ranges.
  • What are the signs indicating spark plug replacement necessity? Common indicators include difficult starting, rough idle, reduced power output, and increased fuel consumption.

Conclusion

The RC12Y spark plug provides reliable ignition performance for small displacement engines across various applications. Its standard heat range and proven copper core design ensure consistent operation in lawn equipment, marine, and motorcycle applications. This RC12Y spark plug represents a dependable choice for routine maintenance requirements in compatible engine systems.

500 items
  • 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
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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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excl. delivery costs

  • 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
-57%
compared to RRP 5,90 €

2,49 €
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]: 0,5
  • 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
-54%
compared to RRP 6,22 €

2,82 €
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: 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

price incl. 23% VAT

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]: 0,7
  • 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
-50%
compared to RRP 6,06 €

2,97 €
Price per item

price incl. 23% VAT

excl. delivery costs

Product version: New
  • 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

price incl. 23% VAT

excl. delivery costs

  • Product line: Powersport
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Nickel Middle Electrode
  • Electrode Gap [mm]: 0,6
  • 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
Show OEM numbers of the product
Details
In stock
-49%
compared to RRP 5,92 €

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]: 0,8
  • 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, 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, 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

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]: 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

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: 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
-55%
compared to RRP 7,47 €

3,32 €
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: 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

price incl. 23% VAT

excl. delivery costs

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