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NGK SILZKFR8E7S Laser Iridium Spark Plug (90654)
£16.16 Original price was: £16.16.£10.51Current price is: £10.51.
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Workshop Fitting
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NGK SILZKFR8E7S Laser Iridium Spark Plug – 90654
This NGK Laser Iridium spark plug provides a strong, consistent spark under daily driving and high-load use. It helps cold starts, smooth idle, and reliable performance in turbo engines. The fine iridium centre electrode needs less voltage to fire, while the platinum-tipped ground electrode improves durability and stability over a long service life. Ideal for standard cars and mild tunes where dependable ignition is key.
- Stable spark for cleaner combustion and smoother throttle response
- Iridium centre and platinum ground for long life and consistent performance
- Resistor design to reduce electrical noise that can affect sensors and the ECU
Broad compatibility
Fits many modern VW, Audi, SEAT and Skoda 1.8 and 2.0 TSI/TFSI EA888 Gen 3 engines. Please use the vehicle lookup to confirm fitment, or check the Vehicle Fitment tab for full details.
| Part number | NGK SILZKFR8E7S |
|---|---|
| NGK stock number | 90654 |
| GTIN | 87295906545 |
| Category | 686 – Spark Plug |
| Type | Laser Iridium (iridium centre, platinum ground) |
| Heat range | 8 (NGK scale) |
| Thread size | M14 x 1.25 |
| Reach (thread length) | 26.5 mm |
| Hex size | 16 mm |
| Seat type | Flat seat with gasket |
| Gap | 0.8 mm (preset) |
| Resistor | Yes |
| Terminal | Solid SAE |
| Recommended tightening | By angle with new gasket: finger tight, then 1/2 – 2/3 turn (or torque to manufacturer spec) |
| Typical torque | 23 – 25 Nm for M14 gasket seat (always follow vehicle spec) |
| Construction | Fine-wire iridium centre electrode, laser-welded; platinum pad ground electrode |
| Service interval | Refer to vehicle schedule; iridium/platinum design supports extended intervals |
Tip: Keep the factory heat range unless your tuner specifies otherwise. Always check and adjust plug gap only if the vehicle or tune requires it.
The price displayed is for a single plug, please add the desired amount to your basket.
| Weight | 0.05 kg |
|---|---|
| Dimensions | 10 × 3 × 3 cm |
| Brand |
NGK-90654 Confirmed Fitment
Please note, this information is a combination of supplier provided compatibility data and our workshop expertise. While every effort has been made to ensure the accuracy of this information Progressive Parts Ltd are not liable for abnormalities or inaccurate data. Customers are wholly responsible for checking fitment for their vehicle. More information is available from our Terms & Conditions
A-CLASS (W176) A 220 4-matic (176.047) (M 270.920) | 184hp
Petrol 1991cc | Hatchback | 2014 - 2018
A-CLASS (W176) A 250 (176.044) (M 270.920) | 211hp
Petrol 1991cc | Hatchback | 2012 - 2018
A-CLASS (W176) A 250 (176.050) (M 270.920) | 218hp
Petrol 1991cc | Hatchback | 2015 - 2018
A-CLASS (W176) A 250 4-matic (176.046) (M 270.920) | 211hp
Petrol 1991cc | Hatchback | 2013 - 2018
A-CLASS (W176) A 250 4-matic (176.051) (M 270.920) | 218hp
Petrol 1991cc | Hatchback | 2015 - 2018
B-CLASS Sports Tourer (W246, W242) B 200 Natural Gas Drive / B 200 c (242.848) (M 270.920) | 156hp
Petrol/Compressed Natural Gas (CNG) 1991cc | Hatchback | 2012 - 2017
B-CLASS Sports Tourer (W246, W242) B 220 4-matic (246.247) (M 270.920) | 184hp
Petrol 1991cc | Hatchback | 2013 - 2018
B-CLASS Sports Tourer (W246, W242) B 250 (246.244) (M 270.920) | 211hp
Petrol 1991cc | Hatchback | 2012 - 2018
B-CLASS Sports Tourer (W246, W242) B 250 4-matic (246.246) (M 270.920) | 211hp
Petrol 1991cc | Hatchback | 2014 - 2018
C-CLASS (W205) C 200 (205.042) (M 274.920) | 184hp
Petrol 1991cc | Saloon | 2013 - 2018
C-CLASS (W205) C 200 4-matic (205.043) (M 274.920) | 184hp
Petrol 1991cc | Saloon | 2015 - 2018
C-CLASS (W205) C 250 (205.045) (M 274.920) | 211hp
Petrol 1991cc | Saloon | 2014 - 2018
C-CLASS (W205) C 300 (205.048) (M 274.920) | 245hp
Petrol 1991cc | Saloon | 2015 - 2018
C-CLASS (W205) C 300 e (205.053) (M 274.920) | 320hp
Petrol/Electric 1991cc | Saloon | 2019 - 2021
C-CLASS (W205) C 300 e 4-matic (205.054) (M 274.920) | 320hp
Petrol/Electric 1991cc | Saloon | 2019 - 2021
C-CLASS (W205) C 350 e (205.047) (M 274.920) | 279hp
Petrol/Electric 1991cc | Saloon | 2015 - 2018
C-CLASS Convertible (A205) C 200 (205.442) (M 274.920) | 184hp
Petrol 1991cc | Convertible | 2016 - 2018
C-CLASS Convertible (A205) C 200 4-matic (205.443) (M 274.920) | 184hp
Petrol 1991cc | Convertible | 2016 - 2018
C-CLASS Convertible (A205) C 250 (205.445) (M 274.920) | 211hp
Petrol 1991cc | Convertible | 2016 - 2018
C-CLASS Convertible (A205) C 300 (205.448) (M 274.920) | 245hp
Petrol 1991cc | Convertible | 2016 - 2018
C-CLASS Coupe (C205) C 200 (205.342) (M 274.920) | 184hp
Petrol 1991cc | Coupe | 2015 - 2018
C-CLASS Coupe (C205) C 200 4-matic (205.343) (M 274.920) | 184hp
Petrol 1991cc | Coupe | 2016 - 2018
C-CLASS Coupe (C205) C 250 (205.345) (M 274.920) | 211hp
Petrol 1991cc | Coupe | 2015 - 2018
C-CLASS Coupe (C205) C 300 (205.348) (M 274.920) | 245hp
Petrol 1991cc | Coupe | 2015 - 2018
C-CLASS T-Model (S205) C 200 (205.242) (M 274.920) | 184hp
Petrol 1991cc | Estate | 2014 - 2018
C-CLASS T-Model (S205) C 200 4-matic (205.243) (M 274.920) | 184hp
Petrol 1991cc | Estate | 2015 - 2018
C-CLASS T-Model (S205) C 250 (205.245) (M 274.920) | 211hp
Petrol 1991cc | Estate | 2014 - 2018
C-CLASS T-Model (S205) C 300 (205.248) (M 274.920) | 245hp
Petrol 1991cc | Estate | 2015 - 2018
C-CLASS T-Model (S205) C 300 e (205.253) (M 274.920) | 320hp
Petrol/Electric 1991cc | Estate | 2019 - 2021
C-CLASS T-Model (S205) C 350 e (205.247) (M 274.920) | 279hp
Petrol/Electric 1991cc | Estate | 2015 - 2018
CLA Coupe (C117) CLA 220 4-matic (117.347) (M 270.920) | 184hp
Petrol 1991cc | Coupe | 2016 - 2019
CLA Coupe (C117) CLA 250 (117.344) (M 270.920) | 211hp
Petrol 1991cc | Coupe | 2013 - 2019
CLA Coupe (C117) CLA 250 (117.350) (M 270.920) | 218hp
Petrol 1991cc | Coupe | 2015 - 2019
CLA Coupe (C117) CLA 250 4-matic (117.346) (M 270.920) | 211hp
Petrol 1991cc | Coupe | 2013 - 2019
CLA Coupe (C117) CLA 250 4-matic (117.351) (M 270.920) | 218hp
Petrol 1991cc | Coupe | 2015 - 2019
CLA Shooting Brake (X117) CLA 220 4-matic (117.947) (M 270.920) | 184hp
Petrol 1991cc | Estate | 2016 - 2019
CLA Shooting Brake (X117) CLA 250 (117.944) (M 270.920) | 211hp
Petrol 1991cc | Estate | 2015 - 2019
CLA Shooting Brake (X117) CLA 250 4-matic (117.946) (M 270.920) | 211hp
Petrol 1991cc | Estate | 2015 - 2019
CLA Shooting Brake (X117) CLA 250 4-matic (117.951) (M 270.920) | 218hp
Petrol 1991cc | Estate | 2015 - 2019
E-CLASS (W212) E 200 (212.034) (M 274.920) | 184hp
Petrol 1991cc | Saloon | 2013 - 2016
E-CLASS (W212) E 200 NGT (212.035) (M 274.920) | 156hp
Petrol/Compressed Natural Gas (CNG) 1991cc | Saloon | 2013 - 2015
E-CLASS (W212) E 250 (212.036) (M 274.920) | 211hp
Petrol 1991cc | Saloon | 2013 - 2016
E-CLASS (W213) E 200 (213.042) (M 274.920) | 184hp
Petrol 1991cc | Saloon | 2016 - 2019
E-CLASS (W213) E 200 4-matic (213.043) (M 274.920) | 184hp
Petrol 1991cc | Saloon | 2016 - 2019
E-CLASS (W213) E 250 (213.045) (M 274.920) | 211hp
Petrol 1991cc | Saloon | 2016 - 2023
E-CLASS (W213) E 300 (213.048) (M 274.920) | 245hp
Petrol 1991cc | Saloon | 2016 - 2020
E-CLASS (W213) E 300 e (213.053) (M 274.920) | 320hp
Petrol/Electric 1991cc | Saloon | 2018 - 2023
E-CLASS (W213) E 300 e 4-matic (213.054) (M 274.920) | 320hp
Petrol/Electric 1991cc | Saloon | 2020 - 2023
E-CLASS (W213) E 350 e (213.050) (M 274.920) | 286hp
Petrol/Electric 1991cc | Saloon | 2016 - 2019
E-CLASS (W213) E 350 e (213.050) (M 274.920) | 320hp
Petrol/Electric 1991cc | Saloon | 2016 - 2019
E-CLASS Convertible (A207) E 200 (207.434) (M 274.920) | 184hp
Petrol 1991cc | Convertible | 2013 - 2016
E-CLASS Convertible (A207) E 250 (207.436) (M 274.920) | 211hp
Petrol 1991cc | Convertible | 2013 - 2016
E-CLASS Convertible (A238) E 200 (238.442) (M 274.920) | 184hp
Petrol 1991cc | Convertible | 2017 - 2025
E-CLASS Convertible (A238) E 200 4-matic (238.443) (M 274.920) | 184hp
Petrol 1991cc | Convertible | 2017 - 2025
E-CLASS Convertible (A238) E 300 (238.448) (M 274.920) | 245hp
Petrol 1991cc | Convertible | 2017 - 2025
E-CLASS Coupe (C207) E 200 (207.334) (M 274.920) | 184hp
Petrol 1991cc | Coupe | 2013 - 2016
E-CLASS Coupe (C207) E 250 (207.336) (M 274.920) | 211hp
Petrol 1991cc | Coupe | 2013 - 2016
E-CLASS Coupe (C238) E 200 (238.342) (M 274.920) | 184hp
Petrol 1991cc | Coupe | 2016 - 2025
E-CLASS Coupe (C238) E 200 4-matic (238.343) (M 274.920) | 184hp
Petrol 1991cc | Coupe | 2017 - 2025
E-CLASS Coupe (C238) E 300 (238.348) (M 274.920) | 245hp
Petrol 1991cc | Coupe | 2016 - 2025
E-CLASS T-Model (S212) E 200 (212.234) (M 274.920) | 184hp
Petrol 1991cc | Estate | 2012 - 2016
E-CLASS T-Model (S212) E 250 (212.236) (M 274.920) | 211hp
Petrol 1991cc | Estate | 2012 - 2016
E-CLASS T-Model (S213) E 200 (213.242) (M 274.920) | 184hp
Petrol 1991cc | Estate | 2016 - 2020
E-CLASS T-Model (S213) E 200 4-matic (213.243) (M 274.920) | 184hp
Petrol 1991cc | Estate | 2017 - 2019
E-CLASS T-Model (S213) E 250 (213.245) (M 274.920) | 211hp
Petrol 1991cc | Estate | 2016 - 2018
E-CLASS T-Model (S213) E 300 e (213.253) (M 274.920) | 320hp
Petrol/Electric 1991cc | Estate | 2020 - 2023
GLA-CLASS (X156) GLA 220 4-matic (156.947) (M 270.920) | 184hp
Petrol 1991cc | SUV | 2017 - 2019
GLA-CLASS (X156) GLA 250 (156.944) (M 270.920) | 211hp
Petrol 1991cc | SUV | 2013 - 2019
GLA-CLASS (X156) GLA 250 4-matic (156.946) (M 270.920) | 211hp
Petrol 1991cc | SUV | 2013 - 2019
GLA-CLASS (X156) GLA 250 Flex (156.944) (M 270.920) | 211hp
Petrol/Ethanol 1991cc | SUV | 2015 - 2019
GLC (X253) 250 4-matic (253.946) (M 274.920) | 211hp
Petrol 1991cc | SUV | 2015 - 2019
GLC (X253) 300 4-matic (253.949) (M 274.920) | 245hp
Petrol 1991cc | SUV | 2015 - 2019
GLC (X253) 300 e 4-matic (253.953) (M 274.920) | 320hp
Petrol/Electric 1991cc | SUV | 2019 - 2022
GLC (X253) 350 e 4-matic (253.954) (M 274.920) | 320hp
Petrol/Electric 1991cc | SUV | 2016 - 2019
GLC Coupe (C253) 250 4-matic (253.346) (M 274.920) | 211hp
Petrol 1991cc | SUV | 2016 - 2019
GLC Coupe (C253) 300 4-matic (253.349) (M 274.920) | 245hp
Petrol 1991cc | SUV | 2016 - 2019
GLC Coupe (C253) 300 e 4-matic (253.353) (M 274.920) | 320hp
Petrol/Electric 1991cc | SUV | 2019 - 2023
GLC Coupe (C253) 350 e 4-matic (253.354) (M 274.920) | 320hp
Petrol/Electric 1991cc | SUV | 2016 - 2019
GLE (V167) GLE 350 e 4-matic (167.154) (M 274.920) | 333hp
Petrol/Electric 1991cc | SUV | 2020 - 2023
GLE Coupe (C167) GLE 350 e 4-matic (167.354) (M 274.920) | 333hp
Petrol/Electric 1991cc | SUV | 2020 - 2023
GLK-CLASS (X204) 250 4-matic (204.937) (M 274.920) | 211hp
Petrol 1991cc | SUV | 2013 - 2015
SLC (R172) 200 (172.434) (M 274.920) | 184hp
Petrol 1991cc | Convertible | 2016 - 2025
SLC (R172) 300 (172.438) (M 274.920) | 245hp
Petrol 1991cc | Convertible | 2016 - 2025
SLK (R172) 200 (172.434) (M 274.920) | 184hp
Petrol 1991cc | Convertible | 2015 - 2025
SLK (R172) 300 (172.438) (M 274.920) | 245hp
Petrol 1991cc | Convertible | 2015 - 2025
Stock at Progressive Parts
Delivery timescales are given as estimates in good faith, but cannot be taken as precise or exact information. We highly advise against booking installation/workshop time or engaging in preparatory work until you've received and inspected the goods.
What do our stock statuses mean?
1+ IN STOCK in green stock is readily available in one of our warehouses for express delivery (at the time of viewing).
LOW STOCK in green means we're running low! 1 or 2 left on the shelf so act fast. Over evenings, weekends and bank holidays this stock can move quickly so please bear this in mind.
0 IN STOCK in blue means our primary warehouse does not have unallocated stock, but our UK partners do. Often these can be shipped quickly and efficiently. You'll be notified via the Track My Order page if further delays are unavoidable.
MADE TO ORDER in blue means we've partnered with a supplier which primarily makes their products to order. It's not on our shelf, but your order goes into production immediately.
0 IN STOCK in orange means everybody we work with is unfortunately out of stock. Stock is not available in the UK. The best course of action is to place an order to create an allocation from the next batch arriving.
OUT OF STOCK in red. This product is unavailable to order, for whatever reason we're unable to obtain stock or there is an issue with supply/lead times.
We're tuners too!
Our staff are car enthusiasts, we understand the need for speed... This includes getting your orders out the door as quickly and securely as possible!
In some instances, extended lead times are unavoidable. This is as labour-intensive and frustrating for us as it is for you, please know we are doing our best to facilitate your modification goals. Abuse of our staff or systems will not be tolerated.
Thank you, Team PP
In the words of the Vehicle Standards Agency (VCA), type approval provides "confirmation that production and samples of a design will meet specified performance standards".
For emissions components this encompasses noise, emissions and balanced back pressure, which have a strong influence on maintaining engine performance (power), and fuel efficiency. Type approval ensures that an aftermarket component will reach, or exceed the performance standard of the corresponding OE part.
Type-approval then, is a certain guarantee that an end user will receive a product of OE equivalent performance attributes.
Products on the Progressive Parts website that meet this approval will be clearly marked or labelled EC or ECE approved.