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PAI Industries · Cooling System
880878
In stock · ships from Knoxville
This is an automatic belt tensioner designed for Mack MP7/MP8 and Volvo D11/D13 diesel engines.
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Part data verified against 4 catalog sources
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It maintains consistent tension on the serpentine drive belt, preventing slippage, squealing, and premature belt wear. The tensioner is typically replaced when the internal spring weakens, the pulley bearing becomes noisy, or when a new belt is installed to ensure reliable accessory drive operation.
Part Number: 880878
BELT TENSIONER MACK
Vendor: PAI Industries
Dealer: KP Services Crossville
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