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NGK SILFR6A-11

SILFR6A-11 NGK – Properties, Compatibility and Alternatives

The NGK SILFR6A-11 represents a premium spark plug solution designed for modern automotive applications requiring superior ignition performance. This Spark plug NGK SILFR6A-11 incorporates advanced silver electrode technology to deliver consistent spark energy and extended service life. The component serves as a critical element in the engine's ignition system, ensuring optimal combustion efficiency across various operating conditions.

Advantages of the SILFR6A-11 NGK

  • Enhanced ignition reliability through silver center electrode construction that provides superior electrical conductivity
  • Extended service intervals due to the Spark plug SILFR6A-11 NGK design that resists electrode wear and fouling
  • Improved fuel efficiency resulting from optimized combustion characteristics of the NGK SILFR6A-11 spark plug
  • Reduced emissions output through complete fuel burn achieved by precise spark timing
  • Superior cold-start performance in challenging weather conditions
  • Consistent performance across wide temperature ranges and operating conditions

Technical Data

Feature Value
Manufacturer NGK
Model NGK SILFR6A-11
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-11 demonstrates exceptional compatibility with various engine configurations, particularly those requiring medium heat range spark plugs. This SILFR6A-11 NGK spark plug proves ideal for naturally aspirated and moderately boosted engines where reliable ignition performance is essential. The component's design specifications make it suitable for both daily driving and moderate performance applications.

  • Four-cylinder naturally aspirated engines
  • V6 passenger car applications
  • Light-duty commercial vehicles
  • Moderate performance automotive 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 Accord, Civic, CR-V
Toyota Camry, Corolla, RAV4
Nissan Altima, Sentra, Rogue
Mazda CX-5, Mazda3, Mazda6
Subaru Outback, Forester, Impreza

Application Notes and Important Questions

  • What is the recommended replacement interval for the SILFR6A-11 NGK? Typically 60,000 to 100,000 miles depending on driving conditions and vehicle specifications
  • How does the silver electrode technology benefit engine performance? The Spark plug NGK SILFR6A-11 provides enhanced electrical conductivity and heat dissipation compared to conventional electrodes
  • Should the electrode gap be adjusted during installation? The factory-set gap should generally not be altered as it is precisely calibrated for optimal performance
  • What are the signs indicating spark plug replacement is needed? Engine misfiring, rough idling, decreased fuel economy, and difficult starting conditions

Conclusion

The NGK SILFR6A-11 offers reliable ignition performance through its advanced silver electrode design and precise engineering specifications. This component provides excellent value for vehicle owners seeking dependable spark plug performance with extended service intervals. The NGK SILFR6A-11 represents a proven solution for maintaining optimal engine operation across diverse automotive applications.

500 items
  • Product line: BR8ES-11
  • Spark Plug: Никелевый электрод
  • Electrode Gap [mm]: 1.1
  • Spanner Size: 21 mm
  • Thread Length [mm]: 19
  • Thread Size: M14x1.25
  • Connector type: SAE
  • Packing Type: Box
  • Resistor [kOhm]: 5
  • Item number: 7986
  • Manufacturer: NGK
  • EAN number: 0087295179864
  • Condition: New
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-29%
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£4.99
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NGK 5468 Spark plug M14 x 1,25, Spanner Size: 16 mm
Article number: 5468 Trade numbers: SILFR6A11
Reviews - 26
  • 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: 5468
  • Manufacturer: NGK
  • EAN number: 0087295154687
  • Condition: New
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In stock
-19%
compared to RRP £17.21

£13.99
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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 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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-66%
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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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In stock
-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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£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 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%
compared to RRP £5.88

£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 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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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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£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
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In stock
-71%
compared to RRP £6.98

£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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-71%
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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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-71%
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NGK 6429 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 6429
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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]: 9,5
  • Thread Size: M14 x 1,25
  • Item number: 6429
  • Manufacturer: NGK
  • EAN number: 0087295164297
  • Condition: New
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In stock
-71%
compared to RRP £7.52

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NGK 3725 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 3725
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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]: 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 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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  • 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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