
Murray Belts Serpentine Belt 4 Rib 34-3/16 Inch - K040338SF
- Part #:
- K040338SF
- Line:
- MRY
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The serpentine belt on your Ford Focus connects the pulleys of the engine's accessory drive. Serpentine belts are operated by the crankshaft to turn the water pump, A/C compressor, power steering pump, alternator, and more. If the serpentine belt on your Focus should stretch or loosen, you could notice that some systems on your Ford aren't working as well as they used to. You may also notice squealing sounds when you start or run the engine if the belt is loose, which may also be caused by a failing belt tensioner on your Focus. If you see cracks or other obvious signs of wear such as splits or damaged edges, the serpentine belt on your Focus may need to be replaced. If your Ford Focus needs a serpentine belt, belt tensioner, or idler pulley, O'Reilly Auto Parts carries the right parts for a full repair.