Second Hand Vauxhall Grandland Catalytic Converter

Yes, all petrol-engined Grandlands have a catalytic converter as standard, and diesel variants have one as part of the exhaust aftertreatment system alongside a diesel particulate filter (DPF). The Grandland was sold in the UK from 2017 onwards, initially as the Grandland X and later simply as the Grandland from the 2022 generation. Whichever engine you have, a catalytic converter will be present somewhere in the exhaust system.

The original Grandland X (2017–2021) and the redesigned Grandland (2022 onwards) are substantially different vehicles on different platforms, so parts from one generation are very unlikely to cross over to the other. Even if the engine code appears similar, the exhaust routing, mountings, and emissions calibration are likely to differ between these two generations. Confirm with the breaker against your exact registration before purchasing.

Trim level does not affect which catalytic converter your Grandland needs — SE, Sport, Elite, and Ultimate models all use the same exhaust system for a given engine and year. What matters is your engine code, fuel type (petrol or diesel), and the emissions standard the vehicle was built to. Tell the breaker your registration and engine code rather than your trim name.

Diesel Grandland X models have both a diesel particulate filter (DPF) and a catalytic converter (typically a diesel oxidation catalyst) as part of the exhaust aftertreatment system — they are separate components. If you need one or the other, it is important to be clear with the breaker about exactly which unit you require, as they are sometimes sold together as an assembly and sometimes separately. Confirm the specific part and its compatibility with the breaker against your registration, as diesel catalyst and DPF interchange is complex and strongly breaker-verified territory.

Engine code matters significantly — even within the 1.2 petrol family, there can be differences in exhaust specification, emissions calibration, and physical fitment depending on the exact code and model year. Fitting a converter from a different engine variant or emissions era could cause an MOT failure or engine management warning lights even if it bolts on physically. Always provide the breaker with your full engine code (found on your V5C or inside the engine bay) and your registration so they can match correctly.

It is possible — if the replacement converter comes from a vehicle built to a different emissions standard or engine specification, it may not perform correctly for your vehicle's mapped tolerances and could result in an MOT emissions failure or a fault code. The Grandland X range spans Euro 6 throughout its UK life, but there are sub-variants and engine updates within that era that affect exhaust system specifications. This is firmly confirm-with-the-breaker territory — provide your registration and engine code before agreeing to any purchase.