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No two window regulators are quite the same across different vehicles, so getting the specifics right matters when you buy used, second hand or a replacement. Answer a few quick questions below and breakers will only quote if they have the exact matching part in stock:
The Cavalier ran through three main UK generations: Mk1 (1975–1981), Mk2 (1981–1988), and Mk3 (1988–1995). Regulators are not interchangeable across these generations, so always match the part to your specific Mk number. Confirm the generation with your breaker against your registration to be certain.
Both years fall within the Mk3 generation (1988–1995), so a regulator from either year is likely to be from the same body shell. That said, confirm with the breaker against your registration, as mid-run production changes can affect whether a specific unit swaps straight in. Always verify side (NS or OS) and door count at the same time.
The Mk3 received a facelift during its production run, and whether regulators cross that boundary cleanly is not something we can confirm as fact. Name the boundary to your breaker and ask them to check the part against your registration, as door frame or channel changes around a facelift can affect fitment.
Yes, this matters — front door regulators on 3-door and 5-door body styles differ because the door itself is a different shape and size, so the regulator mechanism is not the same. Always tell your breaker both the side (NS for passenger/left, OS for driver/right) and the door count of your car. Getting either detail wrong means the part will not fit.
Trim level does not affect the physical fitment of the regulator; what matters is the generation, body style, and which side of the car you need. You may find cosmetic differences such as different door furniture on higher trims, but the regulator mechanism itself fits to the door frame. Confirm with your breaker whether you need an electric or manual unit, as that can vary mid-range and is worth verifying against your registration.
Give the breaker the generation (Mk3, 1988–1995), the side (NS, nearside, passenger/left), whether it is a 3-door or 5-door, and your vehicle registration so they can cross-reference. Also let them know whether your current regulator is electric or manual, as this is worth confirming against your specific car rather than assuming by trim. The more detail you provide upfront, the less risk of ordering the wrong unit.