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Spark Plug NGK 91970 OE Ref 55 490 097 NGK

Key Specification:

EAN: 087295919705
OEM Reference number: 10427930
Supplementary Info: ILNAR8B7G
Supplementary Info: SPARK PLUG - ILNAR8B7G
Thread Size: M12 x 1-25

See Full Specification

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£ 61.00

£ 46.01 excl. VAT

In Stock

SKU:	NGK 91970
Brand	NGK

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Specification
Description
OEM Numbers
Compatibilities
Reviews

EAN

087295919705

OEM Reference number

10427930

Supplementary Info

ILNAR8B7G

Supplementary Info

SPARK PLUG - ILNAR8B7G

Thread Size

M12 x 1-25

Spanner Size

14 mm

Packing Unit

Thread Length [mm]

25.0

Spark Position [mm]

3.5

Spark Plug

1 - Earthed Electrode

Spark Plug

Iridium Middle Electrode

Spark Plug

Fixed SAE connector

Spark Plug

interference Suppression 5 kOhm

Spark Plug

with taper gasket seat

Spark Plug NGK 91970 OE Ref 55 490 097

Spark Plug NGK OE Ref 55 490 097 – NGK – OEM 10427930

This Spark Plug NGK OE Ref 55 490 097 is supplied by NGK as a replacement for OEM reference 10427930. It is intended for use in selected MG, OPEL, VAUXHALL vehicles and designed to meet original equipment fit and function requirements.

The part is identified by manufacturer reference 91970 and EAN EAN: 087295919705, allowing accurate identification and compatibility verification before installation. It is suitable for replacing worn, damaged, or non-functioning components where dependable operation is required.

Correct part selection is essential to ensure proper fitment. Please verify compatibility using the OEM reference number or the vehicle registration lookup tool before ordering.

Vehicle Compatibility

Compatible with selected MG, OPEL, VAUXHALL models. Detailed compatibility information is available in the Compatibility section of this page.

If this part is not suitable for your vehicle, browse alternative options in our Ignition & Preheating category.

Reference number(s) comparable with the original spare part number

MG 10427930 CHEVROLET 55 490 097 DAEWOO, GM KOREA 55 490 097 GENERAL MOTORS 55 490 097 PONTIAC 55 490 097 BUICK 55 490 097 CADILLAC 55 490 097

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

MG MG GS From 05/2016

1.5 4WD 05/2016-, 122 kw, 1490 ccm, 166 PS, SUV, Petrol , ENG: 15E4E

MG MG HS From 09/2018

EHS 1,5T GDI Hybrid 4WD 01/2023-, 209 kw, 1490 ccm, 284 PS, SUV, Plug-In Hybrid , ENG: 15E4E

1.5 EHS Hybrid (CSA6463) 4WD 12/2020-, 190 kw, 1490 ccm, 258 PS, SUV, Plug-In Hybrid , ENG: 15E4E

1.5 T (SAS23) 4WD 09/2018-, 119 kw, 1490 ccm, 162 PS, SUV, Petrol , ENG: 15E4E

MG MG ZS SUV From 10/2017

1.0 T-GDi 4WD 10/2017-, 82 kw, 999 ccm, 111 PS, SUV, Petrol , ENG: 10E4E

OPEL

OPEL ADAM (M13) From 10/2012 to 02/2019

1.0 4WD 07/2014-11/2018, 66 kw, 999 ccm, 90 PS, Hatchback, Petrol , ENG: B 10 XFL, D 10 XFL

1.0 4WD 07/2014-11/2018, 85 kw, 999 ccm, 115 PS, Hatchback, Petrol , ENG: B 10 XFT, D 10 XFT

OPEL ASTRA J (P10) From 09/2009 to 10/2015

1.6 SIDI (68) 4WD 12/2012-10/2015, 125 kw, 1598 ccm, 170 PS, Hatchback, Petrol , ENG: A 16 XHT, B 16 SHL

OPEL ASTRA J Coupe From 10/2011

1.6 SIDI (08) 4WD 12/2012-04/2018, 125 kw, 1598 ccm, 170 PS, Hatchback, Petrol , ENG: A 16 XHT, B 16 SHL

1.6 SIDI (08) 4WD 07/2013-04/2018, 147 kw, 1598 ccm, 200 PS, Hatchback, Petrol , ENG: A 16 SHT, B 16 SHT

OPEL ASTRA J Saloon From 06/2012

1.6 SIDI (69) 4WD 06/2012-10/2015, 125 kw, 1598 ccm, 170 PS, Saloon, Petrol , ENG: A 16 XHT, B 16 SHL

OPEL ASTRA J Sports Tourer (P10) From 10/2010 to 10/2015

1.6 SIDI (35) 4WD 12/2012-10/2015, 125 kw, 1598 ccm, 170 PS, Estate, Petrol , ENG: A 16 XHT, B 16 SHL

OPEL ASTRA K (B16) From 06/2015 to 12/2022

1.2 Turbo (68) 4WD 08/2019-12/2022, 96 kw, 1199 ccm, 131 PS, Hatchback, Petrol , ENG: F 12 SHT

1.6 Turbo (68) 4WD 11/2015-12/2022, 147 kw, 1598 ccm, 200 PS, Hatchback, Petrol , ENG: B 16 SHT, D 16 SHT

1.0 Turbo (68) 4WD 06/2015-12/2022, 77 kw, 999 ccm, 105 PS, Hatchback, Petrol , ENG: B 10 XFL, D 10 XFL

1.4 Turbo (68) 4WD 06/2015-12/2022, 92 kw, 1399 ccm, 125 PS, Hatchback, Petrol , ENG: D 14 XFL, B 14 XFL

1.2 Turbo (68) 4WD 08/2019-12/2022, 107 kw, 1199 ccm, 145 PS, Hatchback, Petrol , ENG: F 12 SHR

1.2 Turbo (68) 4WD 08/2019-12/2022, 81 kw, 1199 ccm, 110 PS, Hatchback, Petrol , ENG: F 12 SHL

1.4 Turbo (68) 4WD 06/2015-12/2022, 110 kw, 1399 ccm, 150 PS, Hatchback, Petrol , ENG: B 14 XFT, D 14 XFT

1.0 Turbo (68) 4WD 06/2018-12/2022, 66 kw, 999 ccm, 90 PS, Hatchback, Petrol , ENG: D 10 XFL

OPEL ASTRA K Estate Van From 11/2015

1.4 (35) 4WD 06/2018-, 110 kw, 1399 ccm, 150 PS, Estate Van, Petrol , ENG: D 14 XFT

1.0 (35) 4WD 05/2018-, 77 kw, 999 ccm, 105 PS, Estate Van, Petrol , ENG: D 10 XFL

OPEL ASTRA K Sports Tourer (B16) From 11/2015 to 12/2022

1.2 Turbo (35) 4WD 08/2019-12/2022, 81 kw, 1199 ccm, 110 PS, Estate, Petrol , ENG: F 12 SHL

1.6 Turbo (35) 4WD 11/2015-12/2022, 147 kw, 1598 ccm, 200 PS, Estate, Petrol , ENG: B 16 SHT, D 16 SHT

1.4 Turbo (35) 4WD 11/2015-12/2022, 92 kw, 1399 ccm, 125 PS, Estate, Petrol , ENG: D 14 XFL, B 14 XFL

1.0 Turbo (35) 4WD 06/2018-12/2022, 66 kw, 999 ccm, 90 PS, Estate, Petrol , ENG: D 10 XFL

1.2 Turbo (35) 4WD 08/2019-12/2022, 96 kw, 1199 ccm, 131 PS, Estate, Petrol , ENG: F 12 SHT

1.4 Turbo (35) 4WD 11/2015-12/2022, 110 kw, 1399 ccm, 150 PS, Estate, Petrol , ENG: B 14 XFT, D 14 XFT

1.0 Turbo (35) 4WD 11/2015-12/2022, 77 kw, 999 ccm, 105 PS, Estate, Petrol , ENG: B 10 XFL, D 10 XFL

1.2 Turbo (35) 4WD 08/2019-12/2022, 107 kw, 1199 ccm, 145 PS, Estate, Petrol , ENG: F 12 SHR

OPEL CASCADA (W13) From 03/2013 to 04/2019

1.6 (67) 4WD 11/2013-04/2018, 147 kw, 1598 ccm, 200 PS, Convertible, Petrol , ENG: A 16 SHT, B 16 SHT, D 16 SHT

1.6 (67) 4WD 05/2018-04/2019, 100 kw, 1598 ccm, 136 PS, Convertible, Petrol , ENG: D 16 SHJ

1.6 SIDI (67) 4WD 04/2013-04/2019, 125 kw, 1598 ccm, 170 PS, Convertible, Petrol , ENG: A 16 XHT, D 16 SHL, B 16 SHL

OPEL CORSA E (X15) From 09/2014

1.0 (08, 68) 4WD 09/2014-, 85 kw, 999 ccm, 115 PS, Hatchback, Petrol , ENG: B 10 XFT, D 10 XFT

1.0 (08, 68) 4WD 09/2014-, 66 kw, 999 ccm, 90 PS, Hatchback, Petrol , ENG: B 10 XFL, D 10 XFL, F 10 XFL

OPEL INSIGNIA A (G09) From 07/2008 to 03/2017

1.6 SIDI (68) 4WD 03/2013-03/2017, 125 kw, 1598 ccm, 170 PS, Hatchback, Petrol , ENG: A 16 XHT, B 16 SHL

OPEL INSIGNIA A Country Tourer (G09) From 07/2008 to 03/2017

1.6 SIDI (47) 4WD 07/2014-03/2017, 125 kw, 1598 ccm, 170 PS, Estate, Petrol , ENG: A 16 XHT, B 16 SHL

OPEL INSIGNIA A Saloon (G09) From 07/2008 to 03/2017

1.6 SIDI (69) 4WD 03/2013-03/2017, 125 kw, 1598 ccm, 170 PS, Saloon, Petrol , ENG: A 16 XHT, B 16 SHL

OPEL INSIGNIA A Sports Tourer (G09) From 07/2008 to 03/2017

1.6 SIDI (35) 4WD 06/2013-03/2017, 125 kw, 1598 ccm, 170 PS, Estate, Petrol , ENG: A 16 XHT, B 16 SHL

OPEL INSIGNIA B Country Tourer (Z18) From 06/2017

1.5 (47) 4WD 06/2017-, 121 kw, 1490 ccm, 165 PS, Estate, Petrol , ENG: D 15 SFT, B 15 SFT

1.6 Turbo (47) 4WD 06/2018-, 147 kw, 1598 ccm, 200 PS, Estate, Petrol , ENG: D 16 SHT

OPEL INSIGNIA B Grand Sport (Z18) From 03/2017

1.5 (68) 4WD 03/2017-, 103 kw, 1490 ccm, 140 PS, Hatchback, Petrol , ENG: B 15 SFL, D 15 SFL

1.5 (68) 4WD 03/2017-, 121 kw, 1490 ccm, 165 PS, Hatchback, Petrol , ENG: D 15 SFT, B 15 SFT

1.6 Turbo (68) 4WD 06/2018-, 147 kw, 1598 ccm, 200 PS, Hatchback, Petrol , ENG: D 16 SHT

OPEL INSIGNIA B Sports Tourer (Z18) From 03/2017

1.5 (35) 4WD 03/2017-, 103 kw, 1490 ccm, 140 PS, Estate, Petrol , ENG: B 15 SFL, D 15 SFL

1.6 Turbo (35) 4WD 06/2018-, 147 kw, 1598 ccm, 200 PS, Estate, Petrol , ENG: D 16 SHT

1.5 (35) 4WD 03/2017-, 121 kw, 1490 ccm, 165 PS, Estate, Petrol , ENG: D 15 SFT, B 15 SFT

OPEL MOKKA / MOKKA X (J13) From 06/2012

1.4 4x4 (_76) 4WD 06/2016-, 112 kw, 1399 ccm, 152 PS, SUV, Petrol , ENG: B 14 XFT

OPEL ZAFIRA TOURER C (P12) From 10/2011

1.6 (75) 4WD 12/2012-, 125 kw, 1598 ccm, 170 PS, MPV, Petrol , ENG: A 16 XHT, D 16 SHL, B 16 SHL

1.6 (75) 4WD 09/2018-07/2019, 100 kw, 1598 ccm, 136 PS, MPV, Petrol , ENG: D 16 SHJ

1.6 SIDI (75) 4WD 07/2013-, 147 kw, 1598 ccm, 200 PS, MPV, Petrol , ENG: A 16 SHT, B 16 SHT, D 16 SHT

VAUXHALL

VAUXHALL ADAM (M13) From 10/2012 to 04/2019

1.0 4WD 07/2014-11/2018, 85 kw, 999 ccm, 116 PS, Hatchback, Petrol , ENG: B 10 XFT, D 10 XFT

VAUXHALL ASTRA Mk VI (J) (P10) From 12/2009 to 10/2015

1.6 SIDI 4WD 12/2012-10/2015, 125 kw, 1598 ccm, 170 PS, Hatchback, Petrol , ENG: A 16 XHT, B 16 SHL

VAUXHALL ASTRA Mk VI (J) Estate (P10) From 10/2010 to 10/2015

1.6 SIDI 4WD 12/2012-10/2015, 125 kw, 1598 ccm, 170 PS, Estate, Petrol , ENG: A 16 XHT, B 16 SHL

VAUXHALL ASTRA Mk VI (J) GTC (P10) From 10/2011 to 10/2020

1.6 SIDI 4WD 09/2013-10/2018, 125 kw, 1598 ccm, 170 PS, Hatchback, Petrol , ENG: A 16 XHT, B 16 SHL

1.6 SIDI 4WD 09/2013-10/2018, 147 kw, 1598 ccm, 200 PS, Hatchback, Petrol , ENG: B 16 SHT, A 16 SHT

VAUXHALL ASTRA Mk VII (K) (B16) From 07/2015

1.4 Turbo 4WD 07/2015-, 92 kw, 1399 ccm, 125 PS, Hatchback, Petrol , ENG: B 14 XFL

1.2 Turbo 4WD 08/2019-, 107 kw, 1199 ccm, 145 PS, Hatchback, Petrol , ENG: F 12 SHR

1.6 Turbo 4WD 11/2015-, 147 kw, 1598 ccm, 200 PS, Hatchback, Petrol , ENG: B 16 SHT, D 16 SHT

1.2 Turbo 4WD 08/2019-, 81 kw, 1199 ccm, 110 PS, Hatchback, Petrol , ENG: F 12 SHL

1.4 Turbo 4WD 07/2015-, 110 kw, 1399 ccm, 150 PS, Hatchback, Petrol , ENG: B 14 XFT, D 14 XFT

1.0 4WD 07/2015-, 77 kw, 999 ccm, 105 PS, Hatchback, Petrol , ENG: B 10 XFL, D 10 XFL

1.2 Turbo 4WD 08/2019-, 96 kw, 1199 ccm, 131 PS, Hatchback, Petrol , ENG: F 12 SHT

VAUXHALL ASTRA Mk VII (K) Estate (B16) From 07/2015

1.4 Turbo 4WD 11/2015-, 92 kw, 1399 ccm, 125 PS, Estate, Petrol , ENG: B 14 XFL

1.2 Turbo 4WD 08/2019-, 107 kw, 1199 ccm, 145 PS, Estate, Petrol , ENG: F 12 SHR

1.2 Turbo 4WD 08/2019-, 81 kw, 1199 ccm, 110 PS, Estate, Petrol , ENG: F 12 SHL

1.4 Turbo 4WD 11/2015-, 110 kw, 1399 ccm, 150 PS, Estate, Petrol , ENG: B 14 XFT, D 14 XFT

1.0 4WD 11/2015-, 77 kw, 999 ccm, 105 PS, Estate, Petrol , ENG: B 10 XFL, D 10 XFL

1.2 Turbo 4WD 08/2019-, 96 kw, 1199 ccm, 131 PS, Estate, Petrol , ENG: F 12 SHT

1.6 Turbo 4WD 11/2015-, 147 kw, 1598 ccm, 200 PS, Estate, Petrol , ENG: B 16 SHT, D 16 SHT

VAUXHALL CASCADA Convertible (W13) From 02/2013

1.6 4WD 02/2013-, 125 kw, 1598 ccm, 170 PS, Convertible, Petrol , ENG: D 16 SHL, A 16 XHT, B 16 SHL

1.6 4WD 11/2013-, 147 kw, 1598 ccm, 200 PS, Convertible, Petrol , ENG: B 16 SHT, D 16 SHT, A 16 SHT

VAUXHALL CORSA Mk IV (E) (X15) From 08/2014

1.0 4WD 08/2014-, 66 kw, 999 ccm, 90 PS, Hatchback, Petrol , ENG: F 10 XFL, B 10 XFL, D 10 XFL

1.0 4WD 08/2014-, 85 kw, 999 ccm, 116 PS, Hatchback, Petrol , ENG: B 10 XFT, D 10 XFT

VAUXHALL INSIGNIA Mk I (A) Country Tourer (G09) From 07/2008 to 05/2017

1.6 Turbo (47) 4WD 07/2013-05/2017, 125 kw, 1598 ccm, 170 PS, Estate, Petrol , ENG: A 16 XHT, B 16 SHL

VAUXHALL INSIGNIA Mk I (A) Hatchback (G09) From 07/2008 to 05/2017

1.6 Turbo (68) 4WD 07/2013-05/2017, 125 kw, 1598 ccm, 170 PS, Hatchback, Petrol , ENG: A 16 XHT, B 16 SHL

VAUXHALL INSIGNIA Mk I (A) Sports Tourer (G09) From 07/2008 to 05/2017

1.6 Turbo (35) 4WD 07/2013-05/2017, 125 kw, 1598 ccm, 170 PS, Estate, Petrol , ENG: A 16 XHT, B 16 SHL

VAUXHALL INSIGNIA Mk II (B) Hatchback (Z18) From 03/2017

1.5 (68) 4WD 03/2017-, 103 kw, 1490 ccm, 140 PS, Hatchback, Petrol , ENG: B 15 SFL, D 15 SFL

1.5 (68) 4WD 03/2017-, 121 kw, 1490 ccm, 165 PS, Hatchback, Petrol , ENG: D 15 SFT, B 15 SFT

1.6 Turbo (68) 4WD 06/2018-, 147 kw, 1598 ccm, 200 PS, Hatchback, Petrol , ENG: D 16 SHT

VAUXHALL INSIGNIA Mk II (B) Sports Tourer (Z18) From 03/2017

1.5 (35) 4WD 03/2017-, 103 kw, 1490 ccm, 140 PS, Estate, Petrol , ENG: B 15 SFL, D 15 SFL

1.6 Turbo (35) 4WD 06/2018-, 147 kw, 1598 ccm, 200 PS, Estate, Petrol , ENG: D 16 SHT

1.5 (35) 4WD 03/2017-, 121 kw, 1490 ccm, 165 PS, Estate, Petrol , ENG: D 15 SFT, D 15 XHT, B 15 SFT

VAUXHALL MOKKA / MOKKA X (J13) From 06/2012

1.4 4x4 4WD 06/2016-, 112 kw, 1399 ccm, 152 PS, SUV, Petrol , ENG: B 14 XFT

VAUXHALL ZAFIRA Mk III (P12) From 10/2011 to 08/2018

1.6 SIDI (75) 4WD 07/2013-08/2018, 147 kw, 1598 ccm, 200 PS, MPV, Petrol , ENG: B 16 SHT, D 16 SHT, A 16 SHT

Berry
12 Nov, 2025
elderly car so really pleased that the part could be supplied :-) Correct part arrived swiftly - excellent - thank you
Edward & Susan
20 OCT, 2025
These guys were real helpful when I was looking for an EGR valve. Great communications and fast delivery, the valve did exactly as It was meant to do and it was a lot cheaper than everywhere else I looked. I'll be using eAuto Parts again. Top banana.
Charlie
27 AUG, 2025
eAuto Parts made me happy because it only took 2 minutes to order the part and at a very good price, also very quick delivery, will definitely deal with them again.
Adam Taylor
12 May, 2025
Quick enquiry response, easy buying and quick delivery. Quality of goods was good and fitted with no problem (Suzuki bonnet hinges.) recommended.
Helena Garcia
2 January, 2025
The correct part was rapidly identified and located, and was despatched promply to my chosen repairer in time for the work to be done on schedule. Very pleased with the service and will be using eAuto Parts again.