BELT TENSIONER For Mack MP7 MP8 Volvo D11 D13 21454379 PAI 880878

Description:

The PAI 880878 Belt Tensioner is used in Mack and Volvo engine accessory drive systems to maintain proper serpentine belt tension for reliable operation of engine-driven accessories. Commonly installed in Mack MP7, Mack MP8, Volvo D11, and Volvo D13 engines during belt drive repairs, preventive maintenance, and tensioner replacement. Maintenance teams and fleet technicians use this PAI 880878 Belt Tensioner for replacement, preventive maintenance, accessory drive restoration, and reliable heavy-duty engine performance.

Applications:

The PAI 880878 Belt Tensioner is designed for Mack MP7, Mack MP8, Volvo D11, and Volvo D13 diesel engines. The PAI 880878 Belt Tensioner is suitable for maintaining proper belt tension, reducing belt wear, and replacing worn or faulty tensioners during routine heavy-duty truck maintenance and repair. It replaces OEM part number 21454379.

Technical Specifications:

• Brand: PAI
• Manufacturer Part Number (MPN): 880878
• Product Type: Belt Tensioner
• OEM Reference: 21454379
• Compatible Engines: Mack MP7, Mack MP8, Volvo D11, Volvo D13
• Function: Maintains Serpentine Belt Tension
• Installation Location: Front Engine Accessory Drive System
• Application: Heavy-Duty Truck Engine Belt Drive System

Common Replacements:

• Belt Tensioner
• Serpentine Belt Tensioner
• Accessory Drive Belt Tensioner