The BLUE PRINT Filter, interior air (ADN12540) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. The part is built to the following specification: Length [mm]: 195 mm, Width [mm]: 176 mm, Height [mm]: Brass mm, Weight [kg]: 0, 0258 kg, Filter type: Zinc. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit NISSAN models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 183845, 1 987 435 177, 21NS26, 21-NS-NS26 and 21 more. Matching these numbers confirms a like-for-like replacement with no loss of function. BLUE PRINT is a recognised supplier of automotive filtration 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 from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.

Blue Print, part of the bilstein group in Ennepetal, Germany, is a specialist aftermarket brand dedicated to Asian vehicle applications — Japanese, Korean, and Chinese cars. Blue Print offers over 20,000 parts covering engine, braking, suspension, steering, filtration, and drivetrain systems for vehicles from Toyota, Honda, Nissan, Hyundai, Kia, and more. All parts meet OE specifications with IATF 16949 certified quality management. Blue Print fills a vital niche for workshops working on Asian-brand vehicles, providing European-quality assurance with Asian-vehicle expertise.