2004 Peterbilt 378 Engine Pulleys
Select Your Submodel
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Gates® - DriveAlign™ Drive Belt Idler Pulley$20.31 - $84.06 -

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ACDelco® - Professional™ Idler Pulley$35.77 - $54.68 -

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Dayco® - No Slack™ Heavy Duty Automatic Belt Tensioner Assembly$88.07 - $292.13 -
Dayco® - No Slack™ Heavy Duty Idler/Tensioner Pulley$35.43 - $54.04 -
Continental® ContiTech™ - Elite™ Drive Belt Idler Assembly$31.21 - $52.07 -








