Opel Petrol

GM40GC

Opel petrol catalytic converter · Opel Zafira, Opel Astra

Ceramic catalytic converter made by AC. Listed for Opel Zafira & Opel Astra.

We buy the GM40GC 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
GM40GC
Make
Opel (OEM)
Fuel
Petrol

Vehicles this code is listed for

VehicleYearsEngineEngine code
Opel Zafira A 2000 1.8 –
Opel Astra G 2000 1.8 –

Same as / cross-references

These codes share a catalyst or housing number with GM40GC, so they are the same or an equivalent unit.

  • 9158634
  • 9158633

Questions about GM40GC

How much is a GM40GC catalytic converter worth?

Prices for GM40GC 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. Photograph every code you can see so we can match it exactly.

Do you collect GM40GC converters?

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

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