Opel Astra J Catalytic Converter
New, used, or aftermarket – from sellers across Europe.
Parts availability
Limited availability – hank searches the web for you.
Estimated price range
Widely available Limited Hard to find
Last updated: 25.10.2026, 01:26
Catalytic Converter for your Opel Astra?
Create a parts request and we will automatically search the web for suitable offers. You'll receive the results by e-mail - free of charge.
In addition, sellers on hank can send you offers directly.
Prices from recent listings
| Source | Condition | Price (approx.) | Last seen |
|---|---|---|---|
| eBay | New | 129.00 € | 2026-10-25 |
| eBay | New | 245.00 € | 2026-10-25 |
| eBay | New | 135.50 € | 2026-08-29 |
| eBay | New | 299.00 € | 2026-08-29 |
Indicative values only – current prices may vary.
Price comparison: Catalytic Converter
Current median for the Opel Astra J: 190.25 €.
Median across all car models: around 360 €. This model is 45% below that and cheaper than 85% of the models compared.
Median across Opel car models: around 290 €. This model is 35% below that and cheaper than 70% of the models compared.
Compares the medians of the most recent offers found for each model.
Find Opel Astra J parts online
hank's free AI report searches specialized shops for Opel Astra J parts, including MM-Opelparts, techniczentrum & Crosthwaite & Gardiner Ltd.
About this part
The catalytic converter on your Astra J converts the pollutants in the exhaust and decides whether the emissions test passes. Rattling when pulling away, a loss of power from blocked ceramic or a lambda control fault all call for replacement.
Frequently asked questions
What should I check when buying a catalytic converter for the Opel Astra?
Emissions standard, engine code and flange dimensions of your Astra J matter, because a converter for the wrong standard never brings the sensors into their control range. Look for a valid approval number on the housing and check that the lambda sensor bosses and heat shield are there.
A used original converter or an aftermarket one?
A used original fits without surprises and keeps the vehicle's approval, but tap it first to hear whether the ceramic has come loose. Aftermarket converters cost less yet need the matching approval, otherwise the roadworthiness test turns into a problem.
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