Opel Petrol

GM25

Opel petrol catalytic converter · Opel Calibra, Opel Vectra

Ceramic catalytic converter made by AC. May fit Opel Calibra & Opel Vectra.

We buy the GM25 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
GM25
Also stamped
104049 25170435
Make
Opel (OEM)
Fuel
Petrol

Vehicles this may fit

VehicleYearsEngineEngine code
Opel Calibra – – –
Opel Vectra A – 2.0 –

Same as / cross-references

These codes are listed alongside GM25 and may be the same or an equivalent unit.

  • 25170435
  • MSU56
  • MSU72
  • MSU78
  • MSU81
  • MSU86
  • MSU89
  • MSU93
  • NSU01
  • NSU06
  • 25130835
  • 25130233
  • 25143419
  • 25129129
  • 25130422
  • 25130837
  • 25104049

Questions about GM25

How much is a GM25 catalytic converter worth?

Prices for GM25 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 104049, 25170435, so any of these codes identifies it.

Do you collect GM25 converters?

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

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