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Are the idler pulleys the same ?

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Old May 10, 2026 | 05:26 PM
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Question Are the idler pulleys the same ?
Hello. Is the serpentine belt idler pulley below the A/C compressor the same as the one below the tensioner pulley ? Different or equal part numbers ?
 
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Old May 11, 2026 | 03:59 PM
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No. The lower pulley is 70mm and the upper is 80mm.
 
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Old May 11, 2026 | 04:01 PM
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For clarification, the lower one is below the tensioner pulley. The upper is below the AC compressor.
 
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Old Yesterday | 02:19 PM
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can confirm. they are not the same size.
 
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