[Part Number] Drive Belt Tensioner: 11288624196, 11287530314; Drive Belt Idler Pulley: 11287535860; Serpentine Belt:11281628650, 11287527564, 11287535860, 11287549150, 11287628650, 11288624196, 6K1990, W01331681440, W01331779583; Drive Belt Tensioner Bolt: 11287530315
[Reliable Functionality] This idler pulley and belt tensioner kit maintains precise belt tension to ensure smooth operation of essential engine components—like the alternator, water pump, and A/C compressor. It helps reduce belt slippage, eliminate noise, prevent overheating, and protect performance and efficiency
[Reduces Vibration and Noise] Precision bearings and spring-loaded tension design help dampen vibrations and eliminate annoying belt chirps during engine operation
[Package Included] Complete Serpentine Belt Tensioner Assembly: Belt Tensioner x 1, Idler Pulley x 1, Serpentine Belt x 1, Tensioner Bolt x 1