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Modern serpentine belts are part of a sophisticated accessory drive system, and each part of that system must work properly in order for the accessories to deliver peak performance and quiet operation. Four Seasons idler tensioner eccentric arms are engineered to maintain tension on the serpentine belt to prevent belt slip and eliminate noise. High-quality, direct fit OEM replacements, they help keep the alternator charging, the water pump running, and the power steering pump and A/C compressor operating properly.
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$47.99
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