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NGK SILFR6A

SILFR6A NGK – Properties, Compatibility and Alternatives

The NGK SILFR6A represents a high-performance spark plug engineered for reliable ignition in modern automotive applications. This Spark plug NGK SILFR6A delivers consistent performance through advanced electrode technology and precision manufacturing. The component serves as a critical element in the engine's ignition system, ensuring optimal combustion efficiency and reliable starting characteristics.

Advantages of the SILFR6A NGK

  • Enhanced ignition reliability through silver-tipped electrode design that provides superior conductivity and heat dissipation
  • Extended service life compared to conventional copper core plugs, reducing maintenance frequency and replacement costs
  • Improved fuel economy through optimized combustion chamber performance with the Spark plug SILFR6A NGK technology
  • Superior anti-fouling properties that maintain consistent performance in various driving conditions
  • Precise electrode gap specifications ensure optimal spark formation and NGK SILFR6A spark plug compatibility
  • Reduced emissions output through complete fuel combustion and enhanced environmental compliance

Technical Data

Feature Value
Manufacturer NGK
Model NGK SILFR6A
Type Silver electrode spark plug
Thread size 14mm
Thread length 19mm (3/4")
Wrench size 16mm (5/8")
Heat range 6
Electrode gap 1.1mm (0.043")
Resistance 5kΩ
Application Passenger cars, light trucks

Compatibility and Areas of Application

The NGK SILFR6A demonstrates excellent compatibility with various engine configurations, particularly those requiring medium heat range characteristics. This SILFR6A NGK spark plug performs optimally in naturally aspirated engines with moderate compression ratios and standard fuel delivery systems.

  • Four-cylinder naturally aspirated engines with displacement ranges from 1.6L to 2.4L
  • Six-cylinder engines requiring standard heat range specifications
  • Vehicles operating in moderate climate conditions with regular driving patterns
  • Applications where NGK SILFR6A replacement intervals align with manufacturer recommendations

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 Civic, Accord, CR-V
Toyota Camry, Corolla, RAV4
Nissan Altima, Sentra, Rogue
Mazda Mazda3, Mazda6, CX-5

Application Notes and Important Questions

  • When should SILFR6A NGK replacement occur? Typically every 30,000 to 50,000 miles depending on driving conditions and manufacturer specifications
  • How does electrode gap affect performance? Proper gap maintenance ensures optimal spark formation and prevents misfiring issues
  • What torque specifications apply during installation? Follow manufacturer recommendations, typically 20-25 Nm for 14mm thread applications
  • Can Spark plug NGK SILFR6A cross-reference with other brands? Yes, equivalent models exist but verify specifications before substitution
  • What symptoms indicate replacement necessity? Engine misfiring, poor fuel economy, or difficult starting conditions

Conclusion

The NGK SILFR6A provides reliable ignition performance through proven silver electrode technology and precision engineering standards. This component offers excellent value for vehicles requiring dependable spark plug performance with extended service intervals. The NGK SILFR6A represents a solid choice for maintaining optimal engine performance in compatible applications.

500 items
NGK 7913 Spark plug M14 x 1,25, Spanner Size: 16 mm
Article number: 7913 Trade numbers: SILFR6A
Reviews - 2
  • Spark Plug: Iridium Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat, Fixed SAE connector
  • Spanner Size: 16 mm
  • Thread Length [mm]: 26,5
  • Spark Position [mm]: 3,5
  • Thread Size: M14 x 1,25
  • Item number: 7913
  • Manufacturer: NGK
  • EAN number: 0087295179130
  • Condition: New
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In stock
-23%
compared to RRP £20.34

£15.99
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NGK 3228 Spark plug M10 x 1,0, Spanner Size: 16 mm
Article number: 3228
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  • Spark Plug: Connector Type M4, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
  • Spanner Size: 16 mm
  • Thread Length [mm]: 12,7
  • Spark Position [mm]: 1,65
  • Thread Size: M10 x 1,0
  • Item number: 3228
  • Manufacturer: NGK
  • EAN number: 0087295132289
  • Condition: New
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In stock
-66%
compared to RRP £4.69

£1.59
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NGK 6221 Spark plug M14 x 1,25, Spanner Size: 16 mm
Article number: 6221
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  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with taper gasket seat
  • Spanner Size: 16 mm
  • Thread Length [mm]: 7,8
  • Spark Position [mm]: 1,0
  • Thread Size: M14 x 1,25
  • Item number: 6221
  • Manufacturer: NGK
  • EAN number: 0087295162217
  • Condition: New
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In stock
-71%
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£1.59
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NGK 2911 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 2911
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  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 9,5
  • Spark Position [mm]: 3,5
  • Thread Size: M14 x 1,25
  • Item number: 2911
  • Manufacturer: NGK
  • EAN number: 0087295129111
  • Condition: New
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-71%
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£1.99
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NGK 7311 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 7311
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  • Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat, Fixed SAE connector
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 7311
  • Manufacturer: NGK
  • EAN number: 0087295173114
  • Condition: New
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NGK 2924 Spark plug M14 x 1,25, Spanner Size: 16 mm
Article number: 2924
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  • Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with taper gasket seat, Fixed SAE connector
  • Spanner Size: 16 mm
  • Thread Length [mm]: 11,2
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 2924
  • Manufacturer: NGK
  • EAN number: 0087295129241
  • Condition: New
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-70%
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£1.99
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NGK 4028 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 4028
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  • Spark Plug: Connector Type SAE, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 4,0
  • Thread Size: M14 x 1,25
  • Item number: 4028
  • Manufacturer: NGK
  • EAN number: 0087295140284
  • Condition: New
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NGK 5950 Spark plug M14 x 1,25, Spanner Size: 16 mm
Article number: 5950
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  • Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with taper gasket seat, Fixed SAE connector
  • Spanner Size: 16 mm
  • Thread Length [mm]: 7,8
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 5950
  • Manufacturer: NGK
  • EAN number: 0087295159507
  • Condition: New
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-70%
compared to RRP £6.12

£1.99
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NGK 2642 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 2642
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  • Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat, Fixed SAE connector
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 2642
  • Manufacturer: NGK
  • EAN number: 0087295126424
  • Condition: New
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  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 12,7
  • Spark Position [mm]: 1,0
  • Thread Size: M14 x 1,25
  • Item number: 3722
  • Manufacturer: NGK
  • EAN number: 0087295137222
  • Condition: New
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In stock
-72%
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NGK 6429 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 6429
Submit a review
  • Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat, Fixed SAE connector
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 9,5
  • Thread Size: M14 x 1,25
  • Item number: 6429
  • Manufacturer: NGK
  • EAN number: 0087295164297
  • Condition: New
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-71%
compared to RRP £7.52

£2.29
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NGK 7023 Spark plug M10 x 1,0, Spanner Size: 16 mm
Article number: 7023
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  • Spark Plug: Connector Type M4, Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat
  • Spanner Size: 16 mm
  • Thread Length [mm]: 12,7
  • Spark Position [mm]: 1,5
  • Thread Size: M10 x 1,0
  • Item number: 7023
  • Manufacturer: NGK
  • EAN number: 0087295170236
  • Condition: New
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In stock
-71%
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£2.29
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NGK 3725 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 3725
Submit a review
  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 12,7
  • Spark Position [mm]: 3,5
  • Thread Size: M14 x 1,25
  • Item number: 3725
  • Manufacturer: NGK
  • EAN number: 087295137253
  • Condition: New
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In stock
-65%
compared to RRP £6.21

£2.29
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NGK 1097 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 1097
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  • Spark Plug: with gasket seat, Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 1,0
  • Thread Size: M14 x 1,25
  • Item number: 1097
  • Manufacturer: NGK
  • EAN number: 0087295110973
  • Condition: New
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-70%
compared to RRP £6.87

£2.29
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NGK 7926 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 7926
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  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 12,7
  • Spark Position [mm]: 4,5
  • Thread Size: M14 x 1,25
  • Item number: 7926
  • Manufacturer: NGK
  • EAN number: 0087295179260
  • Condition: New
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In stock
-71%
compared to RRP £7.39

£2.29
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NGK 6028 Spark plug M14 x 1,25, Spanner Size: 19 mm
Article number: 6028
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  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat
  • Spanner Size: 19 mm
  • Thread Length [mm]: 9,5
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 6028
  • Manufacturer: NGK
  • EAN number: 0087295160282
  • Condition: New
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In stock
-71%
compared to RRP £7.13

£2.29
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NGK 1270 Spark plug M14 x 1,25, Spanner Size: 16 mm
Article number: 1270
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  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with taper gasket seat
  • Spanner Size: 16 mm
  • Thread Length [mm]: 7,8
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 1270
  • Manufacturer: NGK
  • EAN number: 0087295112700
  • Condition: New
Details
In stock
-71%
compared to RRP £6.98

£2.29
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  • Spark Plug: Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat, Fixed SAE connector
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 7529
  • Manufacturer: NGK
  • EAN number: 0087295175293
  • Condition: New
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In stock
-19%
compared to RRP £3.50

£2.99
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  • Product line: V-Line
  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 5637
  • Manufacturer: NGK
  • EAN number: 0087295156377
  • Condition: New
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£2.99
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  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 7811
  • Manufacturer: NGK
  • EAN number: 0087295178119
  • Condition: New
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