Several levels of quality are available: NEW: a new product 100% compliant with the original specifications, quality is equivalent to original equipement. STANDARD RENOVATED: a product coming from renovation process, in compliance with the original specifications and so offering the same guarantee than a new one. ECONOMICAL RENOVATED: full renovated product, compatible with the vehicle but that can have some variations compared to original specifications. Intended for the car fleet older than 8 years old.