AUCERAMIC 90-K38274E Serpentine Belt Tensioner & Idler Pulley Kit Fit for Ford F-150, F-250/F-350/F-450/F-550 Super Duty, E-150 E-250 E-350 Excursion 4.6L 5.4L 6.8L 2002-2010
Advantages:The automatic tensioner features a robust internal spring and premium bearings to maintain consistent belt tension, preventing slippage and noise. The idler pulleys use sealed, lifetime-lubricated bearings to reduce friction and vibration, ensuring smooth, quiet operation and protecting your alternator, A/C compressor, and water pump from premature wear
Direct Replacement : Precision-engineered to match OEM specifications, every component fits exactly like the original parts
After-Sales Service: We offer 24 hours customer service and 1 year product service, If you are encounter product installation, product quality and other problems, please feel free to contact us