1. OE Number: The reference OE number for this washer reservoir cap is 643237, whose shape and design are based on original data.2. Features: The fluid reservoir cap is a replacement for Peugeot 407 407SW 508 3008 5008, replacement for Citroen C5 C6.3. Function: Directly replace the original windshield washer fluid reservoir cap. This cap fits and functions like the original cap, allowing for hassle-free installation.4. Perfect Fit: Made of ABS plastic for long life, durable and wear-resistant, it can be securely attached to the washer reservoir and sealed to avoid leakage.5. Easy Installation: Easy installation, no cutting or drilling required. Remove the old windshield washer fluid reservoir cap and then install the new windshield washer fluid reservoir cap.Specification:Item Type: Washer Reservoir CapOE Number:643237Material: ABSFitment:Replacement for Peugeot407407SW50830085008Replacement for CitroenC5C6Package List:1 x Washer Reservoir CapNote:Please double check the part number of your item. Matching information is for reference only.If you are unsure about the item, please contact us before buying to avoid unnecessary returns, thanks!