Check the product's specific applications and dimensions. The model evolved over decades, and later service, electrical or body parts should not be assumed to fit early cars.
Check the production series and body style, then record the engine and transmission details. Early small-capacity cars and later 2CV4/2CV6 versions. Compare the fitted component with the product's stated application before ordering.
Compare the complete number, including any suffix, and check the listing's applications, dimensions and mounting details. If the car has been modified, identify the fitted component as well as the original vehicle specification.
Read the individual condition label and description, and review the photographs for storage marks, wear or missing fittings. Check whether the price covers one item, a pair or a set; condition and quantity are product-specific.