Used Vauxhall Agila Catalytic Converter

Yes, all petrol-engined Agilas were fitted with a catalytic converter as standard, as these engines require one to control exhaust emissions. The Agila was sold in two generations: the A-series (2000–2004) and the B-series (2004–2008), and both carried a cat on petrol variants. Diesel-engined Agilas used a different exhaust aftertreatment setup, so if you have the 1.3 CDTi diesel you should confirm with your breaker exactly what part you need.

These are two different generations — the 2002 car is an Agila A and the 2006 car is an Agila B — so the exhaust systems are not the same and the cats are very unlikely to be interchangeable. Even if the engine displacement looks similar across the two generations, the mounting points, pipe diameters, and emissions calibration can differ. Confirm with the breaker whether the part from a donor car matches your exact registration and engine code before buying.

No, trim level does not affect catalytic converter fitment on the Agila — trims like Club, Design, and Expression are cosmetic and equipment-level differences only, and none of them change the engine or exhaust specification. What actually matters is the engine code and the model year, which determine the emissions standard the cat was built to meet. Always cross-reference the engine code from your V5C with the breaker to confirm the correct part.

2004 is the changeover year between the Agila A (2000–2004) and the Agila B (2004–2008), so your car could be either generation depending on the month of manufacture. This boundary year is strong confirm-with-breaker territory for catalytic converter interchange, as fitting a cat from the wrong generation risks an incorrect fit or an MOT emissions failure. Give the breaker your full registration and engine code so they can identify which platform your car is built on.

Yes, the engine code is one of the most important things to get right when sourcing a used cat, because different engines have different exhaust gas compositions and the catalytic converter is calibrated accordingly. On the Agila, petrol engines included units such as the 1.0 and 1.2 in various states of tune, and each has its own correct cat specification. Always quote your engine code — found on your V5C or stamped on the engine block — to the breaker, and never assume that matching the displacement alone is sufficient.

No — petrol and diesel exhaust aftertreatment systems are fundamentally different and are not interchangeable. A petrol engine uses a three-way catalytic converter, whereas the 1.3 CDTi diesel uses a different setup suited to diesel combustion chemistry. Make sure you and the breaker are both clear on whether your car is petrol or diesel before any part is sourced.