Buy Cadillac Escalade EXT Serpentine Belt. 2003-14, w/AC, 145 amp. 4.3 LITER, w/AC. Express, Savana; 4 Amp, Drive, Having, LITER - OEM Cadillac Part # 12637201 (12590623)

Serpentine Belt.
For A/C Belt. Routing:Crk,Tens,Alt,Idler,Ps,Comp,Wp. Serpentine Belt.

Serpentine Belt

Fits Express 1500, Savana 1500, Sierra 1500, Silverado

2003-14, w/AC, 145 amp. 4.3 LITER, w/AC. Express, Savana; 4.3L; w/AC Compressor; 145 Amp Alt; w/o Auto Controls. Silverado, Sierra; 4.3L; w/o Heavy Duty.
Drive Belt - Repair or Replace
A failing drive belt could affect the performance of your vehicle's auxiliary systems, not to mention a loud squealing sound from under the hood. Consider having having your drive belt inspected or replaced to keep your Cadillac Escalade EXT running at its best.