Ford F-150 Harmonic Balancer Replacement Bolt-On Black Serpentine Drive Belt With Keyway One Mounting Hole OEM 1L3Z6312AA F75Z6312-AC Fits 1997-2003 4.6L 5.4L V8 Engines

F-150 Harmonic Balancer Bolt-On for V8 (1997-2003) ✔️ Single unit, OEM 1L3Z6312AA / F75Z6312-AC, keyway

Harmonic balancers dampen crankshaft vibrations and maintain belt timing in Ford F-150 V8 engines from 1997 to 2003. This bolt-on replacement supports the serpentine drive system with a black finish to match OEM styling and ensures reliable pulley alignment.

✅ OEM numbers: 1L3Z6312AA, F75Z6312-AC, XL1Z6312-DA, XL1Z6312CA, XL3Z6312-CA
✅ Color: Black
✅ Drive Belt Type: Serpentine
✅ Fits: 1997-2003 Ford F-150 4.6L and 5.4L V8 engines
✅ Condition: Brand New - Sealed in a Box
✅ Mounting: Bolt-On, single mounting hole, keyway included

💡 What is a harmonic balancer replacement used for in V8 engines?

Short answer: It dampens crankshaft vibrations and helps keep timing precise for long engine life.

- Damps crankshaft vibrations to protect bearings and seals - Maintains proper belt alignment for serpentine drive systems - OE-fit with correct mounting and keyway ensures reliable operation - Helps preserve timing accuracy and engine longevity