【Vehicle Fitment】Fits Cadillac Escalade/EXT/ESV 2002-2008 and Hummer H2 2002-2008. Replaces part numbers 38159, 90K-38159, ACK040378HD, 19311139.
【DURABLE, STABLE TENSIONER DESIGN】 Built with heavy-duty bearings and a precision-machined pulley, this tensioner maintains consistent alignment under high heat and load. It prevents belt misalignment and ensures reliable, long-lasting operation.
【DIRECT FIT & EASY INSTALLATION】 Manufactured to meet OEM specifications, this tensioner and belt match factory fit perfectly. Installation is a simple bolt-on process with no modifications required.
Description
This Serpentine Belt Tensioner Kit is engineered for 2000–2008 GM 4.8L / 5.3L / 6.0L LS V8 engines, including Chevy Silverado, Tahoe, Suburban, Avalanche, Express; GMC Sierra, Yukon, Savana; Cadillac Escalade; and Hummer H2. Direct replacement for part numbers: 38159 90K-38159 ACK040378HD 19311139 It eliminates belt slip, squealing and vibration, keeping your serpentine belt and A/C system running smooth. Built with durable bearings and a precision pulley for consistent tension under heat and load. The kit includes the tensioner and belt, ready for simple bolt-on installation with no modifications needed.