2021 GMC Sierra 3500 HD Idler Pulleys

This pulley is manufactured by Litens Automotive the 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 for newer Buick 2.0L and 2.4L engine applications. This pulley conforms to original equipment material, tolerances, and specifications. The part is produced based on the O.E. specified design and meets all performance and durability requirements. Heavy duty steel construction for long life and trouble-free performance. Applications include G.M.. This pulley assembly Includes a new mounting bolt as well as a new washer/dust shield for ease of installation. Crosses to OE# 12605492 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.

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

Product Features:

• Steel and thermoplastic construction designed to tight manufacturing tolerances for high durability and quality performance
• Built to last with a superior resistance to dirt, salt, chemicals and other under-hood contaminants
• OE-quality fit for virtually every domestic or import vehicle on the road today
• Bearings meet or exceed OE standards with application-specific speed and load requirements, to withstand high under hood temperatures
• Premium bearings eliminate bearing noise
• Mounting hardware included for some popular applications
• Reliable operation under severe conditions

Litens Automotive is the original equipment supplier for the 2014-Present Chevrolet Silverado 1500/GMC Sierra 1500 4.3L (Lower-Idler) This replacement pulley was made by the same OE production supplier and therefore has the same performance characteristics as the original O.E. part. This pulley is produced for serpentine belt routing applications and is made of high strength steel for improved life and durability. Includes installation bolt, dust shield and double row ball bearing for extra strength and durability. 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.