AP63421 - Belt Tensioner

AP63421 - Belt Tensioner

Brand: Alliant Power

Part Number: AP63421

SKU: ALLAP63421

Condition: New, Genuine OEM Quality

Application: 1998–2003 7.3L Ford Powerstroke

The Alliant Power AP63421 Belt Tensioner maintains proper serpentine belt tension for reliable operation of engine accessories including the alternator, power steering pump, and air conditioning compressor. This heavy-duty tensioner is designed to withstand the demanding conditions of diesel engine operation.

Essential for maintaining proper belt tension and preventing belt slippage or failure. A worn tensioner can cause premature belt wear, squealing, and potential accessory failure. Manufactured to OEM specifications for reliable long-term performance.

OEM Part Numbers: F8UZ6B209CA, BT50

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