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Idler Pulley 2782020519 A2782020519 Compatible With Mercedes Benz M278 W166 W221 W222 Tag No.26
Product Description
Maintain engine efficiency with this OEM-specification idler pulley designed for Mercedes-Benz M278 engines. Part number 2782020519 ensures precise belt tension and smooth operation of your vehicle's accessory drive system. Built to withstand high-temperature conditions and demanding performance requirements, this pulley reduces vibration and extends serpentine belt life. Direct fit replacement for seamless installation without modifications. Trust factory-grade engineering for reliable, long-term performance in your Mercedes-Benz.
This precision-engineered idler pulley (part 2782020519) maintains optimal belt tension across your Mercedes-Benz M278 engine's accessory drive system. Engineered to OEM specifications, it delivers consistent performance under high thermal and mechanical stress while minimizing vibration and noise. The robust bearing design extends serpentine belt longevity and prevents slippage during acceleration and load cycles. Direct-fit compatibility eliminates fitment concerns and installation complexity. Choose this factory-grade component for dependable engine accessory operation and extended drivetrain reliability.
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.
