AUQDD 38103 Belt Tensioner (For 4.3L/5.0L/5.7L/7.4L) Fit For 99-00 Escalade /96-05 Chevy Astro Blazer 96-99 C1500 K1500 Express Silverado 1500 Tahoe

FEATURES - Easy to install by direct replacement.Eliminate noisy tensioner pulley and no more belt noise.Ensures proper belt tension,alignment and damping for superior performance. FUNCTION - The replacement automatic serpentine belt tensioner pulley assembly transports power to the alternator,power steering pump,air conditioning and keeps it running smoothly and effectively.It is designed for vehicles that needs an automatic belt tensioner.The torsional round spring design provides consistent tension for maximum durability. OE QUALITY - Manufactured in ISO/TS16949 certified facilities by the advanced machines and each part is built to stringent OE specifications.Stable characteristics,High reliability. PERFECT FIT - Engineered and tested to match the fit,function and performance of the original tensioner on specified vehicles.It ensures proper belt tension, alignment, and damping for superior performance.Easy to install by direct replacement. PLEASE NOTE - Before placing the order, Please refer to the Vehicle menu (amazonconfirmedfit) at the top left corner, select your vehicle's "Year, Make, Model" and click "Check Fit"to make sure the parts fit your car, or check the product page description to make sure it matches exactly.Any questions please free to contact us and you will get a satisfactory solution.