Features: 1.1320399A and 35320A: The Part numbers for our replacement air heaters and water heaters are 1320399A and 35320A parking heater standpipe. 2.Applicable Models: Our products are replacement for Webasto HL18, 24, 32, HL90 DBW46, replacement for Air Top 18, 24, 32, and replacement for Air Top 2000, 2000S, 2000ST, 2000STC. 3.Uses: Our fuel stand pipe do not need to dismantle the oil tank when taking oil, which is convenient and fast, and at the same time, the oil will not be polluted. 4.Copper: Our parking heater standpipe is made of copper material, which is durable, not easy to corrosion and stable in performance, you will be satisfied. 5.Flexible: Our fuel tank standpipe can replace old and worn out standpipe, and are more flexible, and can solve a small problem without changing the car. Specification: Item Type: Fuel Tank Standpipe_x000D_ Material: Copper, rubber_x000D_ Application: This fuel stand pipe is replacement for Webasto Air Top Heaters and Hot Top Heaters._x000D_ Replacement part number: 1320399A 35320A_x000D_ _x000D_ Fitment:_x000D_ Replacement for Webasto HL18, 24, 32, HL90 DBW46_x000D_ Replacement for Air Top 18, 24, 32_x000D_ Replacement for Air Top 2000, 2000S, 2000ST, 2000STC_x000D_ Replacement for Air Top 3500, 5000, 3500ST, 5000ST_x000D_ Replacement for Air Top EVO 3900, 5500, 40, 55_x000D_ Replacement for Thermo Top C, E_x000D_ Replacement for Thermo 50, 90, 90ST Note: 1.Make sure the replacement part number matches the part you are replacing._x000D_ 2. Please double check the part number of your item, matching information is for reference only._x000D_ 3. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!