【Direct install】:The Cooling A/C Compressor internal parts are lubricated during production and this item is pre-filled with oil upon delivery.Therefore, So there is needn't to add oil during initial use,excessive oil addition may damage the ac compressor
【Purchase notes】:Before purchasing,please check your vehicle year make model with our description to avoid buying wrong.You can enter all vehicle information (year, make, model,engine and trim) in the input box above the product to ensure compatibility