Precision-Engineered Mass Air Sensor Intake Duct for Mercedes OM642 W166
High-performance OEM-compatible replacement (Part Numbers: 6420901642, 6420901742, A6420900048, A6420901742, A6420901642) ensures seamless integration with Mercedes OM642 engines. Durable high-grade thermoplastic construction resists heat deformation and cracking under extreme engine conditions, guaranteeing longevity. Laser-calibrated airflow channels optimize combustion efficiency, reducing turbo lag and improving fuel economy for W166 SUVs. Direct-fit OEM replacement requires no modifications—perfect for DIY mechanics or professional workshops. Globally sourced materials meet strict Mercedes-Benz OE specifications, backed by wholesale pricing for bulk orders.