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NGK 4912 Spark plug M12 x 1,25, Spanner Size: 14 mm

Article number: 4912 EAN: 2015633249000
Reviews - 67
Description
  • Spark Plug: Iridium Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat, Fixed SAE connector
  • Spanner Size: 14 mm
  • Thread Length [mm]: 26,5
  • Spark Position [mm]: 4,0
  • Thread Size: M12 x 1,25
  • Item number: 4912
  • Manufacturer: NGK
  • EAN number: 2015633249000
  • TecDoc Engine Number: This characteristic varies depending on the car model.
  • Condition: New
Trade numbers: NGK ILKAR7B11
In stock
-26%
compared to RRP £16.93

£12. 49
Price per item
£49.96 / Price per 4 items

price incl. 20% VAT

excl. delivery costs

Sold by AUTODOC

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Safety and product information
ОЕ number

OE reference number(s) comparable with the original spare part number:

NGK 90919-01253 Spark plug

Fully equivalent products

-61%
RIDEX 686S0086 Spark plug M12 x 1.25, Spanner Size: 14
Reviews - 23
Parts Details
  • Spark Plug: 1 - Earthed Electrode
  • Electrode Gap [mm]: 1,1
  • Spanner Size: 14
  • Thread Length [mm]: 26,5
  • Thread Size: M12 x 1.25
  • Tightening Torque [Nm]: 22
  • Item number: 686S0086
  • Manufacturer: RIDEX
  • EAN number: 4059191980918
  • Condition: New
Details
RIDEX 686S0086 Spark plug M12 x 1.25, Spanner Size: 14
Article number: 686S0086
compared to RRP £18.70

£7. 29
Price per item
£29.16 / Price per 4 items
price incl. 20% VAT, excl. delivery costs

Sold by AUTODOC

KAMOKA 7100053 Spark plug Spanner Size: 14 mm
Reviews - 2
Parts Details
  • Spark Plug: Iridium Middle Electrode, 1 - Earthed Electrode
  • Electrode Gap [mm]: 1
  • Spanner Size: 14 mm
  • Thread Length [mm]: 26
  • for OE number: 9091901253
  • Item number: 7100053
  • Manufacturer: KAMOKA
  • EAN number: 2218515500207
  • Condition: New
Details
KAMOKA ILKAR7B11 Spark plug Spanner Size: 14 mm
Article number: 7100053
£8. 29
Price per item
£33.16 / Price per 4 items
price incl. 20% VAT, excl. delivery costs

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KAMOKA 7100010 Spark plug Spanner Size: 14 mm
Reviews - 6
Parts Details
  • Spark Plug: Iridium Middle Electrode, 1 - Earthed Electrode
  • Electrode Gap [mm]: 1
  • Spanner Size: 14 mm
  • Thread Length [mm]: 26
  • for OE number: 1611548180
  • Item number: 7100010
  • Manufacturer: KAMOKA
  • EAN number: 2218515500164
  • Condition: New
Details
KAMOKA 1UXL18110 Spark plug Spanner Size: 14 mm
Article number: 7100010
£8. 99
Price per item
£35.96 / Price per 4 items
price incl. 20% VAT, excl. delivery costs

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-17%
HELLA 8EH 188 706-161 Spark plug M12 x 1.25, Spanner Size: 14
Reviews - 4
Parts Details
  • Spark Plug: 1 - Earthed Electrode
  • Electrode Gap [mm]: 1,0
  • Spanner Size: 14
  • Thread Length [mm]: 26,5
  • Thread Size: M12 x 1.25
  • Tightening Torque [Nm]: 22
  • Assy. / disassy. by qualified personnel required!
  • Item number: 8EH 188 706-161
  • Manufacturer: HELLA
  • EAN number: 4082300399035
  • Condition: New
Details
HELLA INF9RC-11P Spark plug M12 x 1.25, Spanner Size: 14
Article number: 8EH 188 706-161
compared to RRP £12.68

£10. 49
Price per item
£41.96 / Price per 4 items
price incl. 20% VAT, excl. delivery costs

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BOSCH 0 242 135 529 Spark plug M 12 x 1,25, Spanner Size: 14
Reviews - 28
Parts Details
  • Electrode Gap [mm]: 1,1
  • Spanner Size: 14
  • Thread Length [mm]: 26,5
  • Spark Position [mm]: 4
  • Thread Size: M 12 x 1,25
  • Tightening Torque [Nm]: 23
  • Number of pins: 1
  • Item number: 0 242 135 529
  • Manufacturer: BOSCH
  • EAN number: 2030477626000
  • Condition: New
Details
BOSCH 9621 Spark plug M 12 x 1,25, Spanner Size: 14
Article number: 0 242 135 529
£10. 99
Price per item
£43.96 / Price per 4 items
price incl. 20% VAT, excl. delivery costs

Sold by AUTODOC

-58%
CHAMPION CCH9412 Spark plug REA9WYPB4, M12x1.25, Spanner Size: 14 mm, Pt GE
Reviews - 8
Parts Details
  • Spark Plug: 1 - Earthed Electrode, with gasket seat, Iridium Middle Electrode
  • Electrode Gap [mm]: 1
  • Spanner Size: 14 mm
  • Quality / Grade: Pt GE
  • Thread Length [mm]: 26,5
  • Spark Position [mm]: 4
  • Thread Size: M12x1.25
  • Connector type: SAE
  • Packing Type: Box
  • Technical Information Number: REA9WYPB4
  • Resistor to [kOhm]: 10
  • Tightening torque from [Nm]: 20
  • Tightening torque to [Nm]: 25
  • Packaging length [cm]: 10
  • Packaging width [cm]: 2,5
  • Packaging height [cm]: 3
  • Projection [mm]: 2,54
  • Item number: CCH9412
  • Manufacturer: CHAMPION
  • EAN number: 37551013029
  • Condition: New
Details
CHAMPION 9412 Spark plug REA9WYPB4, M12x1.25, Spanner Size: 14 mm, Pt GE
Article number: CCH9412
compared to RRP £26.74

£10. 99
Price per item
£43.96 / Price per 4 items
price incl. 20% VAT, excl. delivery costs

Sold by AUTODOC

Major advantages of spark plugs 4912 NGK

Spark Position [mm]: 4, Spark Plug: Fixed SAE connector, Thread Length [mm]: 26,5

Spark plug NGK ILKAR7B11

They faultlessly operate in the maximal load conditions.

NGK 4912 Spark plug

They are compatible with all types of power units.

NGK 4912 - Spark plug

The center electrode has a V-shaped groove.

For this reason the spark plugs effectively ignite the air-fuel mixture and help to reduce emission of hazardous substances in the process of engine work.

Spark plug NGK 4912

Enhanced wear resistance.

The parts are manufactured from materials with low sensitivity to spark erosion.

NGK ILKAR7B11 Spark plug

They have trivalent metal coating. It efficiently protects the parts against corrosion.

Spark plug NGK

NGK spark plugs are high quality components chosen by leading passenger car manufacturers. The Japanese company NGK produces original and aftermarket auto parts for passenger cars of various classes.

Autodoc online workshop Do-It-Yourself auto repair

Spark plug Tutorial/Step by step guide for repair and replacement

Spark plug NGK 4912 compatible with the following popular cars

Car models Toyota Yaris Mk2; Toyota RAV4 III; Toyota Yaris xp13; Toyota Auris E15; Toyota Avensis T27 Estate; Toyota Verso AR2; RAV4 IV Off-Road (XA40); Toyota Auris e18; Toyota Auris Estate; CX-3 (DK); Toyota Avensis T27; Toyota Prius Plus; 2 Hatchback (DL; DJ); Toyota IQ AJ1; CX-30 (DM); Toyota Urban Cruiser XP11; 3 Hatchback (BP); Corolla X Saloon (E150); Mazda MX5 ND; CT (ZWA10 )
Engines 1.33 VVT-i; 1.8 VVTi; 2.0 4WD; 2.0; 1.3; 1.33 Dual-VVTi; 1.8 Hybrid; 1.8; 1.6; 2.0 VVT-i; 1.8 VVT-i; 1.6 VVT-i; 2.0 SKYACTIV-G AWD; 1.5 E-SKYACTIV G; 1.33; e-SKYACTIV-X M Hybrid; e-SKYACTIV-X M Hybrid AWD; SKYACTIV-X M Hybrid AWD; SKYACTIV-X M Hybrid; 2.0 SKYACTIV-G M Hybrid; 1.6 VVTi; 1.6 Dual VVTi; 200h; 200 AWD; 200; 1.3 VVTi; 2.0 SKYACTIV-X M Hybrid; 1.33 16V
Engine power (horsepower) 98-186 hp
Power (kilowatts) 72-137 kW
Year of manufacture 2006-2026
Manufacturer article number ILKAR7B11
OE part number(s) 90919-01253, ILKAR7B11

Spark plug NGK 4912 : Review and evaluation

8 reviews

B.T. 20.11.2025
Verified purchase
gb Published at autodoc.co.uk

I have used it so many times and I trust this company

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H.T. 07.01.2025
Verified purchase
gb Published at autodoc.co.uk

Good plugs for 1.8 hybrid engine

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T.D. 22.02.2026
Verified purchase
gb Published at autodoc.co.uk

same as the factory items.

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D.H. 04.06.2021
Verified purchase
gb Published at autodoc.co.uk

ngk are the best

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M.H.R. 18.12.2024
Verified purchase
gb Published at autodoc.co.uk

Good quality

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R.B.A. 10.12.2024
Verified purchase
gb Published at autodoc.co.uk

Reference

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G.T. 31.01.2022
Verified purchase
gb Published at autodoc.co.uk

super

Leave a comment
D.R. 02.05.2022
Verified purchase
gb Published at autodoc.co.uk

Best

Leave a comment

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The tag "verified purchase" allows you to find reviews from customers who have actually purchased the item in question from the AUTODOC online shop. The "verified purchase" label applies to reviews of items purchased from the same account the reviews were submitted from. We still consider reviews without the "verified purchase" tag to be important, but we can't guarantee that the items described in such reviews were purchased in the AUTODOC online shop.

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NGK 4912: popular articles

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BOSCH 0 242 135 529
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