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NGK ILNAR8B7G

ILNAR8B7G NGK - Properties, Compatibility and Alternatives

The NGK ILNAR8B7G represents a premium spark plug designed for high-performance automotive applications requiring precise ignition timing and consistent combustion. This Spark plug NGK ILNAR8B7G incorporates advanced electrode technology and specialized construction materials to deliver reliable engine performance across various operating conditions.

Advantages of the ILNAR8B7G NGK

  • Enhanced ignition reliability through iridium electrode construction, providing superior durability and extended service life
  • Optimized heat dissipation characteristics ensure consistent performance under high-stress operating conditions with Spark plug ILNAR8B7G NGK
  • Reduced electrode wear rate compared to conventional copper core designs, maintaining stable ignition parameters throughout service intervals
  • Superior resistance to carbon fouling and deposit accumulation, ensuring clean combustion with NGK ILNAR8B7G spark plug
  • Precise electrode gap maintenance over extended periods, contributing to fuel efficiency and emission control
  • Advanced insulator design provides excellent thermal shock resistance and prevents pre-ignition conditions

Technical Data

Feature Value
Manufacturer NGK
Model NGK ILNAR8B7G
Type Iridium
Thread size M14 x 1.25
Thread length 19mm
Wrench size 16mm
Heat range 8
Electrode gap 0.7mm
Resistance 5kΩ
Application High-performance engines

Compatibility and Areas of Application

This spark plug demonstrates exceptional compatibility with modern high-performance engines requiring precise ignition control and thermal management. The ILNAR8B7G NGK spark plug features make it particularly suitable for turbocharged and naturally aspirated engines operating under demanding conditions.

  • High-performance gasoline engines with advanced ignition systems
  • Turbocharged applications requiring consistent ignition under boost pressure
  • Racing and motorsport applications demanding maximum reliability
  • Premium passenger vehicles with sophisticated engine management systems

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
BMW M3, M4, M5 Series
Mercedes-AMG C63, E63, S63
Audi RS4, RS6, R8
Porsche 911 Turbo, Cayenne Turbo

Application Notes and Important Questions

  • What torque specification should be applied during installation of ILNAR8B7G NGK to prevent thread damage while ensuring proper heat transfer?
  • How does the iridium electrode construction affect service intervals compared to standard Spark plug NGK ILNAR8B7G designs?
  • What are the symptoms indicating replacement necessity, such as misfiring, rough idle, or reduced fuel economy?
  • Is gap adjustment recommended before installation, or should the factory preset gap be maintained?
  • What compatibility considerations exist when upgrading from copper or platinum electrode spark plugs?

Conclusion

The NGK ILNAR8B7G delivers exceptional ignition performance through advanced iridium electrode technology and precision engineering. This NGK ILNAR8B7G represents an optimal choice for high-performance applications requiring maximum reliability and consistent combustion characteristics. Professional installation and adherence to manufacturer specifications ensure optimal engine performance and component longevity.

500 items
NGK 91970 Spark plug M12 x 1,25, Spanner Size: 14 mm
Article number: 91970 Trade numbers: ILNAR8B7G
Reviews - 34
  • Spark Plug: Iridium Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with taper gasket seat, Fixed SAE connector
  • Spanner Size: 14 mm
  • Thread Length [mm]: 25,0
  • Spark Position [mm]: 3,5
  • Thread Size: M12 x 1,25
  • Item number: 91970
  • Manufacturer: NGK
  • EAN number: 0087295919705
  • Condition: New
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In stock
-24%
compared to RRP £27.27

£20.49
Price per item
£81.96 / Price per 4 items

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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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In stock
£1.99
Price per item
£7.96 / Price per 4 items

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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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£1.99
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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
Details
In stock
-67%
compared to RRP £6.12

£1.99
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£7.96 / Price per 4 items

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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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£1.99
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£7.96 / Price per 4 items

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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
Details
In stock
-63%
compared to RRP £6.21

£2.29
Price per item
£9.16 / Price per 4 items

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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
-69%
compared to RRP £7.55

£2.29
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£9.16 / Price per 4 items

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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
-69%
compared to RRP £7.52

£2.29
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£9.16 / Price per 4 items

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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
-69%
compared to RRP £7.39

£2.29
Price per item
£9.16 / Price per 4 items

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NGK 1270 Spark plug M14 x 1,25, Spanner Size: 16 mm
Article number: 1270
Submit a review
  • 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
-67%
compared to RRP £6.98

£2.29
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NGK 1097 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 1097
Submit a review
  • 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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In stock
-66%
compared to RRP £6.87

£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
-26%
compared to RRP £3.50

£2.59
Price per item
£10.36 / Price per 4 items

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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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In stock
£2.59
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£10.36 / Price per 4 items

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NGK 5638 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 5638
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]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 5638
  • Manufacturer: NGK
  • EAN number: 0087295156384
  • Condition: New
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£2.59
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£10.36 / Price per 4 items

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NGK 4632 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 4632
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  • Spark Plug: Connector Type M4, 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: 4632
  • Manufacturer: NGK
  • EAN number: 0087295146323
  • Condition: New
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In stock (Item(s) left: 10)
-66%
compared to RRP £7.74

£2.59
Price per item
£10.36 / Price per 4 items

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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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In stock
£2.99
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£11.96 / Price per 4 items

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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
  • Supplementary Info: BLISTER
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 91406
  • Manufacturer: NGK
  • EAN number: 0087295814062
  • Condition: New
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Details
In stock (Item(s) left: 4)
£2.99
Price per item
£11.96 / Price per 4 items

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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]: 3,5
  • Thread Size: M14 x 1,25
  • Item number: 4511
  • Manufacturer: NGK
  • EAN number: 0087295145111
  • Condition: New
Show OEM numbers of the product
Details
In stock
-19%
compared to RRP £3.72

£2.99
Price per item
£11.96 / Price per 4 items

price incl. 20% VAT

excl. delivery costs

  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
  • Spanner Size: 20,8 mm
  • Supplementary Info: BLISTER
  • Thread Length [mm]: 12,7
  • Spark Position [mm]: 3,5
  • Thread Size: M14 x 1,25
  • Item number: 92010
  • Manufacturer: NGK
  • EAN number: 0087295820100
  • Condition: New
Show OEM numbers of the product
Details
In stock
£2.99
Price per item
£11.96 / Price per 4 items

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  • Product line: V-Line
  • 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]: 4,0
  • Thread Size: M14 x 1,25
  • Item number: 3577
  • Manufacturer: NGK
  • EAN number: 0087295135778
  • Condition: New
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In stock
£4.99
Price per item
£19.96 / Price per 4 items

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