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Air Mass Sensor A6420908237 Mercedes W211 W164 W251
Product Description
The Air Mass Sensor A6420908237 is a precision component engineered for Mercedes-Benz models W211, W164, and W251. This OEM-specification sensor accurately measures incoming air volume to optimize fuel injection timing and engine performance. Direct replacement ensures seamless integration with your vehicle's engine management system, delivering reliable readings for efficient combustion and reduced emissions. Built to withstand demanding operating conditions, it maintains consistent performance across varying temperatures and driving patterns. Ideal for restoring factory-level engine efficiency when replacing a faulty sensor.
The Air Mass Sensor A6420908237 delivers precise airflow measurement for Mercedes-Benz W211, W164, and W251 vehicles. This OEM-grade sensor monitors intake air mass to calibrate fuel delivery and ignition timing with exacting accuracy. Engineered to factory specifications, it ensures optimal engine combustion efficiency and responsive throttle performance. The sensor's robust construction withstands thermal stress and contaminants inherent to engine bay environments. Direct fitment eliminates compatibility concerns, making it the preferred choice for technicians restoring proper engine management function and fuel economy on these Mercedes platforms.
Shipping, returns and warranty
Shipping policy
We offer free shipping to select cities through our official logistics partners. Free shipping may not include home delivery, and orders may need to be collected from an authorized channel partner in your city. Shipping timelines depend on product availability, destination, courier serviceability, and public holidays or Sundays. Some products may have delivery restrictions, and international delivery is currently not available.
Returns & replacement policy
All sales are final, and we do not offer refunds. However, replacements or exchanges may be requested within 7 days of delivery for unused products in original packaging with proof of purchase. Replacements are applicable only for defective or damaged items. Items damaged during installation or use are not covered. For assistance, please contact our support team at sales@atozautopartsindia.com or call +91 9737292338.
Questions and answers
Which side is "Left"?
Left is the left-hand side when you sit in the driver's seat facing forward, which is the passenger side on Indian right-hand-drive cars. Left uses OEM part numbers designated for the left side; right uses OEM designated for the right side.
Does it fit my car?
Match your model's chassis code and the OEM number for your part before ordering. If you are unsure, send your chassis number (VIN) to our team on WhatsApp to confirm fitment.
Is this a genuine Mercedes-Benz part?
No. It is a premium replacement part supplied by ALBRO OEM Spares, matched to the Mercedes-Benz part numbers above.
Can I return it if it doesn't fit?
Replacements and exchanges are accepted within 7 days only for defective or damaged items that are unused and in original packaging. Please confirm fitment before ordering.
