2011 Mercedes-Benz E550 Pulleys

Dayco idler/tensioner pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and longer belt life. In addition to stamped, forged steel and powdered metal pulleys, Dayco also designs ultra-strong plastic pulleys with specially formulated glass-filled polymers that resist wear and tear. Premium lubricated ball bearings and double high temperature seals ensure peak bearing performance, the most critical element of a pulley’s service life.

Product Features:

• Designed for the majority of automotive vehicle applications on the road today
• High-quality materials help resist wear and improve belt life
• Features premium lubricated bearings to extend service life
• Meets or exceeds OE quality

This Litens pulley is manufactured by the original equipment part supplier to Mercedes Benz. This heavy duty split-steel pulley is produced for serpentine belt routing applications on a wide range of Mercedes applications. The Litens replacement part meets all form, fit, and performance characteristics of the original equipment part (with the exception of not having the car manufacturer’s logo or part number applied to the part). As with the O.E. part, this replace part is made in France using the O.E. specified materials and design and meets all performance and durability requirements. Pulley replacement requires the use of existing hardware. Crosses to OE# 2722021419 and others. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:

• Manufactured by the original equipment part supplier to ensure proper form, fit, and performance.
• Heavy Duty Steel Pulley with close tolerance ball bearing pocket and Electro-deposited coating for superior corrosion resistance. Maintains the original equipment “Split-Steel” construction.
• Installation instructions included.
• Running surface designed and engineered for proper belt tracking.
• 70.0mm O.D.; 8.2mm I.D.; 25.0mm width, Smooth flanged running surface for a 6 rib belt, high grade European split-steel construction.

This pulley is manufactured by Litens Automotive – inventor of the first automatic belt tensioner in 1979 and today the world’s largest supplier of Original Equipment (O.E.) belt tensioning and routing products. This pulley is produced for serpentine belt routing applications and as the pulley component on automatic tensioner applications. This high performance steel pulley conforms to original equipment material and tolerances, specifications and meets performance and durability requirements. Fits tensioner and idler applications including Mercedes-Benz. Made in Germany. Comes with new pre-assembled bolt and washer/dust shield for ease of installation. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:

• Manufactured by the world’s largest Original Equipment supplier of accessory drive tensioners and pulleys. Manufactured by the original equipment supplier of this part.
• Heavy Duty Polymer Pulley
• Glass Reinforced thermoplastic for optimized dimensional control and running surface durability.
• Precise dimensional tolerance for smooth operation and long life
• Service free sealed ball bearing. Molded-in ball bearing for optimal fit and long life

This replacement accessory drive belt idler pulley has been engineered to match the function and performance of the original pulley on select vehicle years, makes and models, properly restoring critical vehicle operations.

Product Features:

• Direct replacement – this accessory drive belt idler pulley matches the fit and function of the original equipment pulley on specified vehicles
• Restores performance – fixes a failed, squealing or groaning noise from a worn idler pulley
• Application specific – reverse engineered from the original design on certain vehicle years, makes and models
• Trustworthy quality – backed by team of engineers and quality specialists in the United States

Our front end auxiliary drive (FEAD) solutions ensure outstanding vibration damping in the smallest of installation spaces in today¿s high-load engines. Besides offering a complete selection of individual components, individually-assembled FEAD kits allow holistic maintenance that help avoid secondary damages.

Our front end auxiliary drive (FEAD) solutions ensure outstanding vibration damping in the smallest of installation spaces in today¿s high-load engines. Besides offering a complete selection of individual components, individually-assembled FEAD kits allow holistic maintenance that help avoid secondary damages.