1OE Number: The referencing OE number of this windscreen washer jet nozzle are 6438CA, 6438Z1, 6438Y3, 6438H4, which is molded depend on the original data. 2Fitment: The windscreen washer nozzle set are replacement for Citroen C3 Ii C3 Picasso C4 Jumpy Since 2007 Saxo Xsara, replacement for Fiat Scudo since 2007. 3Function: Allow car owners to wash the front windshield in rainy days, so that drivers can see the road and surroundings more clearly, improving driving safety. 4High Performance: Can make rainwater more evenly spread on the front windshield, wetting the wiper blades more fully, and making the driver feel more comfortable in the car. 5Easy to Use: The wiper nozzle can spray the detergent immediately with the touch of a switch, eliminating the need for additional paper towels or towels.