MANN-FILTER Air Dryer Cartridge Compressed Air System (TB 1394/15 x) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Height [mm]: 165 mm, Thread Size: SG41 x 1.5, Outer Diameter [mm]: 136 mm, Inner Diameter 1 [mm]: 100 mm, Inner Diameter 2 [mm]: 111 mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. This part supersedes original equipment references: 3.71025, 432 901 002 2, 432 901 259 2, 81.52155-0044 and 1 more. Matching these numbers confirms a like-for-like replacement with no loss of function. MANN-FILTER is a recognised supplier of automotive replacement components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched with tracked delivery and a 14-day money-back guarantee with hassle-free returns.

MANN-FILTER, part of the MANN+HUMMEL group founded in 1941 in Ludwigsburg, Germany, is one of the world's leading filtration specialists. The brand produces oil filters, air filters, fuel filters, cabin filters, and hydraulic filters for virtually every vehicle application. MANN-FILTER is an OE supplier to major manufacturers including Volkswagen, BMW, and Mercedes-Benz. With ISO/TS 16949 certification and products tested to the highest standards, MANN-FILTER ensures clean oil, air, and fuel for optimum engine protection and longevity.