FORD Belt Tensioner/Pulley - Part Code 3978035

This Belt Tensioner/Pulley assembly is a critical component for your FORD vehicle's accessory drive system. It maintains the correct tension on the serpentine belt, preventing slippage and ensuring that all accessories, such as the alternator, power steering pump, and air conditioning compressor, function efficiently. A properly functioning tensioner is essential for preventing premature belt wear and potential failure of accessory components. This part is manufactured to meet FORD's stringent quality standards, guaranteeing a precise fit and reliable performance. Replacing a worn or faulty tensioner can help avoid issues like squealing belts, overcharging or undercharging from the alternator, and loss of power steering or air conditioning. It's a key maintenance item for keeping your engine running smoothly and preventing more costly repairs down the line.

• Genuine FORD part for guaranteed compatibility
• Maintains optimal serpentine belt tension
• Ensures efficient operation of engine accessories
• Prevents belt slippage and premature wear
• Durable construction for long service life
• Direct fit replacement for part code 3978035
• Helps prevent accessory system failures
• Restores smooth and quiet engine operation