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TR55GP spark plugs

TR55GP spark plug – Properties, Compatibility and Alternatives

The TR55GP spark plug represents a high-performance ignition component designed for modern automotive applications. This Spark plug TR55GP delivers reliable spark generation and consistent combustion performance across various engine configurations. Engineered with advanced materials and precision manufacturing, this spark plug ensures optimal engine operation and fuel efficiency.

Advantages of the TR55GP spark plug

  • Enhanced ignition reliability through advanced electrode design and TR55GP spark plugs technology
  • Superior heat dissipation properties that prevent pre-ignition and engine knock
  • Extended service life with TR55GP spark plug construction materials
  • Improved fuel economy through optimized combustion chamber performance
  • Reduced emissions output contributing to cleaner exhaust gases
  • Consistent spark energy delivery across varying operating temperatures

Technical Data

Feature Value
Manufacturer NGK
Model TR55GP
Type Standard copper core
Thread size 14mm
Thread length 19mm (3/4")
Wrench size 20.8mm (13/16")
Heat range 5
Electrode gap 1.1mm (0.043")
Resistance 5kΩ
Application Small engines, motorcycles, marine applications

Compatibility and Areas of Application

The TR55GP spark plug demonstrates exceptional versatility across multiple engine platforms. This Spark plug TR55GP performs optimally in small displacement engines, particularly those found in motorcycles, marine applications, and power equipment. The component's heat range and electrode configuration make it suitable for moderate-performance engines requiring reliable ignition characteristics.

  • Small displacement motorcycle engines (50cc-250cc)
  • Marine outboard motors and personal watercraft
  • Recreational vehicle applications
  • Small engine equipment and generators

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, CRF150
Yamaha YZ125, TTR125
Kawasaki KLX125, KX100
Suzuki DR125, RM125

Application Notes and Important Questions

  • What maintenance interval should be followed for TR55GP spark plug replacement? Regular inspection every 10,000-15,000 miles ensures optimal performance
  • How does electrode gap affect Spark plug TR55GP performance? Proper gap specification maintains consistent spark energy and prevents misfiring
  • Can this spark plug handle high-performance modifications? The standard heat range suits stock engine configurations best
  • What signs indicate spark plug replacement necessity? Rough idling, reduced acceleration, and increased fuel consumption are common indicators
  • Should gap adjustment be performed during installation? Always verify gap specification matches manufacturer requirements before installation

Conclusion

The TR55GP represents a reliable ignition solution for small engine applications requiring consistent performance and durability. This TR55GP spark plugs delivers dependable spark generation while maintaining cost-effective operation across various engine platforms. Proper installation and maintenance ensure optimal engine performance and extended component service life.

Part brand
500 items
  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
  • Spanner Size: 20,8 mm
  • External Thread [mm]: 14,0
  • Thread Length [mm]: 12,7
  • Spark Position [mm]: 1,0
  • Thread Size: M14x1,25
  • Item number: 686S0190
  • Manufacturer: RIDEX
  • EAN number: 4064138233828
  • Condition: New
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In stock
1,02 €
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RIDEX 686S0214 Spark plug Spanner Size: 20,8
Article number: 686S0214
Reviews - 1
  • Spark Plug: with gasket seat
  • Electrode Gap [mm]: 0,7
  • Spanner Size: 20,8
  • External Thread [mm]: 14
  • Thread Length [mm]: 12,7
  • Spark Position [mm]: 1
  • Thread Pitch [mm]: 1,25
  • Tightening Torque [Nm]: 20
  • Number of pins: 1
  • Tightening angle [degrees]: 90
  • Item number: 686S0214
  • Manufacturer: RIDEX
  • EAN number: 4064138252300
  • Condition: New
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1,12 €
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Engine spark plugs 686S0062P RIDEX PLUS Spark plug TR55GP - 686S0062P
RIDEX PLUS 686S0062P Spark plug M14x1.25, Spanner Size: 16 mm
Article number: 686S0062P
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  • Spark Plug: 2 - Earthed Electrode, Nickel Middle Electrode
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19
  • Thread Size: M14x1.25
  • Connector type: Removable SAE
  • Tightening Torque [Nm]: 22
  • Diameter [mm]: 14
  • Weight [g]: 43
  • alternative item: K20TT
  • Item number: 686S0062P
  • Manufacturer: RIDEX PLUS
  • EAN number: 4069197952369
  • Condition: New
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Contents of the Spark plug RIDEX PLUS set:
Description of the product
Units
Article number
Spark plug
6
686S0005P
Details
In stock
1,80 €
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Spark plug 686S0068P RIDEX PLUS TR55GP spark plugs - 686S0068P
RIDEX PLUS 686S0068P Spark plug M 14 x 1,25, Spanner Size: 16 mm
Article number: 686S0068P
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  • Electrode Gap [mm]: 0,9
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19
  • Spark Position [mm]: 7
  • Thread Size: M 14 x 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 1
  • Item number: 686S0068P
  • Manufacturer: RIDEX PLUS
  • EAN number: 4069197952376
  • Condition: New
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Contents of the Spark plug RIDEX PLUS set:
Description of the product
Units
Article number
Spark plug
6
686S0018P
Details
In stock
1,80 €
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Engine spark plug 686S0061P RIDEX PLUS TR55GP spark plug - 686S0061P
RIDEX PLUS 686S0061P Spark plug M14x1.25, Spanner Size: 16 mm
Article number: 686S0061P
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  • Spark Plug: 2 - Earthed Electrode, Nickel Middle Electrode
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19
  • Thread Size: M14x1.25
  • Connector type: Removable SAE
  • Tightening Torque [Nm]: 22
  • Weight [g]: 43
  • alternative item: K20TT
  • Item number: 686S0061P
  • Manufacturer: RIDEX PLUS
  • EAN number: 4069197910031
  • Condition: New
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Contents of the Spark plug RIDEX PLUS set:
Description of the product
Units
Article number
Spark plug
4
686S0005P
Details
In stock
1,98 €
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Spark plugs 686S0320P RIDEX PLUS Spark plug TR55GP - 686S0320P
RIDEX PLUS 686S0320P Spark plug M14 x 1,25, Spanner Size: 16 mm
Article number: 686S0320P
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  • Spark Plug: Nickel Middle Electrode, 3 - Earthed Electrode, Interference Suppression 1 kOhm, with gasket seat, Fixed SAE connector
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 5,2
  • Thread Size: M14 x 1,25
  • Item number: 686S0320P
  • Manufacturer: RIDEX PLUS
  • EAN number: 4069197952291
  • Condition: New
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Contents of the Spark plug RIDEX PLUS set:
Description of the product
Units
Article number
Spark plug
4
686S0036P
Details
In stock
2,13 €
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Engine spark plug 686S0316P RIDEX PLUS TR55GP spark plugs - 686S0316P
RIDEX PLUS 686S0316P Spark plug M 14 x 1,25, Spanner Size: 16 mm
Article number: 686S0316P
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  • Electrode Gap [mm]: 1,1
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M 14 x 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 1
  • Item number: 686S0316P
  • Manufacturer: RIDEX PLUS
  • EAN number: 4069197952383
  • Condition: New
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Contents of the Spark plug RIDEX PLUS set:
Description of the product
Units
Article number
Spark plug
4
686S0027P
Details
In stock
2,16 €
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Spark plugs 686S0322P RIDEX PLUS TR55GP spark plugs - 686S0322P
RIDEX PLUS 686S0322P Spark plug M 12 x 1,25, Spanner Size: 14
Article number: 686S0322P
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  • Electrode Gap [mm]: 0,9
  • Spanner Size: 14
  • Thread Length [mm]: 26,5
  • Spark Position [mm]: 5
  • Thread Size: M 12 x 1,25
  • Tightening Torque [Nm]: 23
  • Number of pins: 1
  • Item number: 686S0322P
  • Manufacturer: RIDEX PLUS
  • EAN number: 4069197909981
  • Condition: New
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Contents of the Spark plug RIDEX PLUS set:
Description of the product
Units
Article number
Spark plug
4
686S0053P
Details
In stock
2,16 €
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Engine spark plugs 686S0311P RIDEX PLUS TR55GP spark plug - 686S0311P
RIDEX PLUS 686S0311P Spark plug M 12 x 1,25, Spanner Size: 16 mm
Article number: 686S0311P
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  • Electrode Gap [mm]: 1,0
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M 12 x 1,25
  • Tightening Torque [Nm]: 23
  • Number of pins: 1
  • Item number: 686S0311P
  • Manufacturer: RIDEX PLUS
  • EAN number: 4069197952321
  • Condition: New
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Contents of the Spark plug RIDEX PLUS set:
Description of the product
Units
Article number
Spark plug
4
686S0015P
Details
In stock
2,16 €
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Spark plug 686S0066P RIDEX PLUS Spark plug TR55GP - 686S0066P
RIDEX PLUS 686S0066P Spark plug M 14 x 1,25, Spanner Size: 16 mm
Article number: 686S0066P
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  • Electrode Gap [mm]: 0,9
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M 14 x 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 1
  • Item number: 686S0066P
  • Manufacturer: RIDEX PLUS
  • EAN number: 4069197911151
  • Condition: New
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Contents of the Spark plug RIDEX PLUS set:
Description of the product
Units
Article number
Spark plug
6
686S0002P
Details
In stock
2,47 €
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Engine spark plug 686S0065P RIDEX PLUS TR55GP spark plugs - 686S0065P
RIDEX PLUS 686S0065P Spark plug M 14 x 1,25, Spanner Size: 16 mm
Article number: 686S0065P
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  • Electrode Gap [mm]: 0,9
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M 14 x 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 1
  • Item number: 686S0065P
  • Manufacturer: RIDEX PLUS
  • EAN number: 4069197911137
  • Condition: New
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Contents of the Spark plug RIDEX PLUS set:
Description of the product
Units
Article number
Spark plug
4
686S0002P
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In stock
2,47 €
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Spark plugs GCF860092 goCORE TR55GP spark plug - GCF860092
goCORE GCF860092 Spark plug M14 x 1,25, Spanner Size: 16 mm
Article number: GCF860092
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  • Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat, Fixed SAE connector
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 4,0
  • Thread Size: M14 x 1,25
  • Item number: GCF860092
  • Manufacturer: goCORE
  • EAN number: 4069197090191
  • Condition: New
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4,56 €
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Engine spark plug GCF860001 goCORE Spark plug TR55GP - GCF860001
goCORE GCF860001 Spark plug M 14 x 1,25, Spanner Size: 16 mm
Article number: GCF860001
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  • Electrode Gap [mm]: 0,9
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M 14 x 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 1
  • Item number: GCF860001
  • Manufacturer: goCORE
  • EAN number: 4067448664146
  • Condition: New
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4,69 €
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Spark plugs GCF860035 goCORE TR55GP spark plugs - GCF860035
goCORE GCF860035 Spark plug M 14 x 1,25, Spanner Size: 16 mm
Article number: GCF860035
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  • Electrode Gap [mm]: 0,8
  • Spanner Size: 16 mm
  • Thread Length [mm]: 17,5
  • Spark Position [mm]: 3
  • Thread Size: M 14 x 1,25
  • Tightening Torque [Nm]: 20
  • Number of pins: 1
  • Item number: GCF860035
  • Manufacturer: goCORE
  • EAN number: 4069197089621
  • Condition: New
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In stock
4,70 €
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Engine spark plugs GCF860004 goCORE TR55GP spark plugs - GCF860004
goCORE GCF860004 Spark plug M 14 x 1,25, Spanner Size: 16 mm
Article number: GCF860004
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  • Electrode Gap [mm]: 1,1
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M 14 x 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 1
  • Item number: GCF860004
  • Manufacturer: goCORE
  • EAN number: 4069197089317
  • Condition: New
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In stock
6,29 €
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Spark plug GCF860006 goCORE Nickel TR55GP spark plug - GCF860006
goCORE Nickel GCF860006 Spark plug Spanner Size: 16 mm
Article number: GCF860006
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  • Product line: Nickel
  • Spark Plug: 2 - Earthed Electrode, Nickel Middle Electrode
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19
  • Connector type: Removable SAE
  • Tightening Torque [Nm]: 22
  • Diameter [mm]: 14
  • Weight [g]: 43
  • Gross Weight [g]: 46
  • Item number: GCF860006
  • Manufacturer: goCORE
  • EAN number: 4069197089331
  • Condition: New
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In stock
6,92 €
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Engine spark plug GCF860034 goCORE Nickel Spark plug TR55GP - GCF860034
goCORE Nickel GCF860034 Spark plug Spanner Size: 16 mm
Article number: GCF860034
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  • Product line: Nickel
  • Spark Plug: 1 - Earthed Electrode, Nickel Middle Electrode
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19
  • Connector type: Solid SAE
  • Tightening Torque [Nm]: 22
  • Diameter [mm]: 14
  • Weight [g]: 43
  • Gross Weight [g]: 46
  • Item number: GCF860034
  • Manufacturer: goCORE
  • EAN number: 4069197089614
  • Condition: New
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In stock
7,27 €
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Spark plugs GCF860015 goCORE ULTRA TR55GP spark plugs - GCF860015
goCORE ULTRA GCF860015 Spark plug M14x1,25, Spanner Size: 16 mm
Article number: GCF860015
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  • Product line: ULTRA
  • Spark Plug: 2 - Earthed Electrode, with gasket seat
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19
  • Thread Size: M14x1,25
  • Connector type: SAE / M4
  • Tightening torque from [Nm]: 20
  • Item number: GCF860015
  • Manufacturer: goCORE
  • EAN number: 4069197089423
  • Condition: New
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In stock
7,98 €
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Engine spark plug GCF860041 goCORE TR55GP spark plug - GCF860041
goCORE GCF860041 Spark plug M12x1.25, Spanner Size: 14 mm
Article number: GCF860041
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  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Copper Centre Electrode
  • Electrode Gap [mm]: 0,9
  • Spanner Size: 14 mm
  • Thread Length [mm]: 26,5
  • Spark Position [mm]: 5
  • Thread Size: M12x1.25
  • Connector type: SAE
  • Packing Type: Box
  • Tightening torque from [Nm]: 20
  • Resistor from [kOhm]: 3
  • Resistor to [kOhm]: 9
  • Projection [mm]: 3
  • Item number: GCF860041
  • Manufacturer: goCORE
  • EAN number: 4069197089683
  • Condition: New
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In stock
9,94 €
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Spark plugs GCF860026 goCORE Spark plug TR55GP - GCF860026
goCORE GCF860026 Spark plug M 12 x 1,25, Spanner Size: 16 mm
Article number: GCF860026
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  • Electrode Gap [mm]: 1,0
  • Spanner Size: 16 mm
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Size: M 12 x 1,25
  • Tightening Torque [Nm]: 23
  • Number of pins: 1
  • Item number: GCF860026
  • Manufacturer: goCORE
  • EAN number: 4069197089539
  • Condition: New
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In stock
10,28 €
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