Feature:1. SIMPLE AND RELIABLE: Exhaust pipe silencer muffler set is easy to install, reliable to use, replacement for Eberwebasto heater2. OEM NUMBER: Part Number for 251864810100, meet can be used. The inlet pipe is made of aluminum foil, which is air tight, light shading, abrasion resistant, non toxic and odorless3. DURABLE MATERIAL: Made of excellent stainless steel, has sufficient heat resistance and corrosion resistance, extremely durable4. LOW NOISE: Diesel air heater accessories come with good noise reduction, long life and other characteristics5. SAFE TO USE: Can be freely expanded during operation and shutdown, so that the exhaust pipe is not subjected to additional load due to the installation of the muffler to ensure the safety and reliability of the exhaust pipe workSpecification:Item Type: Diesel Air Heater AccessoriesExhaust Pipe: Color: SilverMaterial: Stainless steelDiameter: Approx. 24mm / 0.94inIntake Pipe: Color: BlackMaterial: Aluminum foilDiameter: Approx. 25mm / 0.98inApplicable Model: Suitable For Following Air Heaters: Replacement for Eberspacher Airtronic D2Replacement for Eberspacher Airtronic D4Replacement for Eberspacher Airtronic D4SReplacement for Eberspacher D1LCReplacement for Eberspacher D1LC CompactReplacement for Eberspacher D3LCReplacement for Eberspacher D3LC CompactReplacement for Eberspacher D5LCPart Number: 251864810100.Package List:1 x Intake Pipe1 x Exhaust Pipe1 x Air Filter1 x Silencer1 x Support4 x Tube Collar3 x ScrewNote:1. Please double check the part number of your item, matching information is for reference only.2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!