Opel Petrol

GM12677856

Opel petrol catalytic converter · Opel Astra, Opel Insignia

Ceramic catalytic converter with DPF made by Kat Con. May fit Opel Astra & Opel Insignia.

We buy the GM12677856 Opel catalytic converter in various conditions, even with a damaged casing. Prices track live precious-metal markets, so send us a photo or WhatsApp the code for today’s price.

Converter details

Primary code
GM12677856
Also stamped
422178733
Make
Opel (OEM)
Fuel
Petrol

Vehicles this may fit

VehicleYearsEngineEngine code
Opel Astra 2018 1.4 –
Opel Insignia 2016 2.0 CDTi –
Opel Insignia B – 2.0D –

Same as / cross-references

These codes are listed alongside GM12677856 and may be the same or an equivalent unit.

  • 55576648
  • 422178733

Questions about GM12677856

How much is a GM12677856 catalytic converter worth?

Prices for GM12677856 follow live platinum, palladium and rhodium markets and depend on the condition of the unit. Send us a photo of the converter and its code and we will reply with today’s price.

Where is the code on a Opel catalytic converter?

Look for the stamped or engraved code on the converter shell or heat shield. This unit is also known by 422178733, so any of these codes identifies it.

Do you collect GM12677856 converters?

Yes. We collect across England & Wales, or you can drop off. Payment is usually by bank transfer.

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