The Toyota Quantum Air Filter 2.5L D-4D 2KD-FTV 2494 2014 – 2019 protects your diesel engine by filtering dust, dirt, and harmful debris. Built to OEM standards, it ensures precise fitment and reliable performance. This filter restores airflow, improves combustion, and helps maintain fuel economy. Over time, clogged filters reduce power, increase fuel use, and raise emissions. Replacing your air filter regularly prevents engine wear, extends lifespan, and lowers running costs. With durable filter media and a strong frame, it delivers dependable operation across commercial, highway, and urban conditions. A cost-effective replacement to keep your Toyota Quantum running efficiently.