Dayco PB1008N Engine Harmonic Balancer

Dayco PB1008N Harmonic Balancer

The Dayco PB1008N is a premium OEM replacement harmonic balancer for classic Ford and Mercury V8 applications. It is built with a grey iron outer ring, hub-weighted counterweight balance, and timing marks for accurate engine service and setup.

Premium OEM Replacement Balancer

Dayco’s Premium OEM Replacement Balancer line focuses on direct-fit engine vibration control for restoration and repair work. The PB1008N follows OE-style dimensions and construction details, including a 6.359-inch overall outside diameter, 3.012-inch overall width, 1.374-inch crank bore, and 1.876-inch nose outside diameter. It uses a 3-bolt hole pattern, has no integrated pulleys, and does not include a crank trigger/exciter plate or woodruff key.

• Grey iron outer ring construction
• Hub weighted counterweight balance
• Timing marks included
• 3 bolt hole quantity
• 6.359-inch overall outside diameter
• 3.012-inch overall width
• 1.374-inch crank bore
• No integrated pulleys

Vehicle Fitment

• Fits 1966-1968 Ford Bronco, N/A
• Fits 1964-1968 Ford Mustang, N/A
• Fits 1967-1968 Mercury Cougar, N/A
• Fits 1965-1967 Ford LTD, N/A
• Fits 1964-1967 Mercury Villager, N/A

This part cross-references Dorman 594-269 for the same application.

For buyers searching for a Ford Mustang harmonic balancer or a Ford Bronco engine harmonic balancer, the PB1008N provides the dimensional and timing-mark details needed for service on these classic platforms. It also serves as a fitment-based replacement for Mercury Cougar and Ford LTD applications listed above.

Common Repair Uses

• Restores crankshaft vibration damping on worn OE balancers
• Replaces cracked or deteriorated outer rings
• Addresses timing mark visibility issues during ignition setup
• Supports engine service when the original balancer no longer meets spec
• Helps correct pulley alignment concerns tied to balancer wear

Installation Notes

Verify crank bore, nose diameter, and bolt-hole pattern before installation. This balancer does not include hardware, installation instructions, a crank trigger/exciter plate, or a woodruff key, so reuse or source the required engine-specific components as needed. Confirm timing mark orientation and engine balance requirements during assembly.

Quality Assurance

Dayco’s Premium OEM Replacement Balancer line is built for OE-style fit and service consistency in classic engine applications. The PB1008N is specified with published dimensions and timing marks to support accurate replacement selection for Ford Mustang, Ford Bronco, and related Mercury applications.