PowerBond by Dayco PB1148N harmonic balancer for the 1975-1986 Ford F-150 6-cylinder 4.9L and other vehicles dampens crankshaft vibration at the front of the engine. This engine harmonic balancer sits on the crankshaft nose and carries the belt pulleys.
- Cast iron outer ring
- Three integrated pulleys; pulleys 1 and 2 are V-belt types
- Timing marks on the balancer
- Neutral balance with no counterweight
Quick facts
- Part: PowerBond by Dayco PB1148N harmonic balancer
- Also called: engine harmonic balancer
- Fits: 1975-1986 Ford F-150 6-cylinder 4.9L and other vehicles
- Material: Cast iron outer ring
- Condition: New
A wobbling pulley, a visible crack in the ring or vibration from the front of the engine can mean the balancer is worn. These signs alone do not prove the balancer is at fault, since a worn drive belt can make similar noise.
Fits
The 1975-1986 Ford F-150 6-cylinder 4.9L, the 1965-1986 Ford F-250 6-cylinder 4.9L and the 1980-1986 Ford Bronco 6-cylinder 4.9L each take one of these balancers, and it fits many other Ford models as well.
Specifications
Fit and size
- Quantity per vehicle: 1
- Overall outside diameter: 170.50 mm (6.713 in)
- Crank bore: 34.88 mm (1.374 in)
- Nose outside diameter: 47.65 mm (1.876 in)
- Pulley 1 outside diameter: 170.000 mm (6.693 in)
- Pulley 2 outside diameter: 160.200 mm (6.308 in)
- Overall width: 71.80 mm (2.827 in)
- Ring width: 53.24 mm (2.097 in)
- Bolt holes: 3
Build and materials
- Outer ring material: cast iron
- Integrated pulleys: 3
- Pulleys 1 and 2: V-belt
- Timing marks: yes
- Counterweight balance: neutral, no counterweight
- Condition: new
In the box
One harmonic balancer. Mounting hardware, a Woodruff key, a crank trigger/exciter plate and installation instructions are not included, so plan on new bolts rather than reusing the old ones.
Interchange: 594-242 · 594-815 · DA-3002
102199
This part cross-references / interchanges with the following part numbers:
102199, 594-242, 594-815, NA, DA-3002
Frequently Asked Questions
Will this Ford F-150 harmonic balancer fit a 1975-1986 model with the 6-cylinder 4.9L?
Yes, PowerBond by Dayco PB1148N fits the 1975-1986 Ford F-150 6-cylinder 4.9L. It fits many other Ford models too, so look up your own vehicle in the "Vehicles it fits" section.
Does the PB1148N harmonic balancer come with bolts or a key?
No. PowerBond by Dayco PB1148N is the balancer alone; mounting hardware, a Woodruff key, a crank trigger/exciter plate and installation instructions are not included.
What size is the crank bore on this harmonic balancer?
The crank bore is 34.88 mm (1.374 in). The overall outside diameter is 170.50 mm (6.713 in) and the overall width is 71.80 mm (2.827 in).
How do I inspect a harmonic balancer for wear?
With the engine off and cool, look for cracks or an outer ring that has shifted on its hub. Engine vibration or a wobbling pulley in normal driving can also be signs.
Does PowerBond by Dayco PB1148N interchange with DA-3002?
Yes, DA-3002 is one of the other numbers PowerBond by Dayco PB1148N replaces. The remaining cross-reference numbers are on the Interchange line at the end of the page.
