Buy 2009 Cadillac Escalade EXT Accessory Drive Belt Tensioner Assembly. 3.8 LITER. All Models; 3.8L SUPERCHARGER, Ports - OEM Cadillac Part # 24508595

Tensioner. Belt.
Assembled device that applies load to the drive Belt. For Serpentine Belt. Assembly - DRIVE. Accessory Drive Assembly. Mount bracket. Serpentine.

Accessory Drive Belt Tensioner Assembly

Fits 88 , Intrigue, Lesabre, LSS, Lumina, Monte Carlo, Park Avenue, Regal

3.8 LITER. All Models; 3.8L; 1st Design. All Models; 3.8L; 2nd Design. W/O SUPERCHARGER. W/O SUPERCHARGER, 1999-2004. W/supercharger, w/heater ports.
Drive Belt Tensioner - Repair or Replace
A squeaking or squealing noise from your engine bay is usually due to a loose drive belt. Consider replacing the drive belt tensioner on your 2009 Cadillac Escalade EXT.