PowerBond by Dayco PB1091N harmonic balancer for the 1984-1995 Toyota 4Runner and other vehicles absorbs crankshaft vibration and turns the belts that run the engine's accessories. It mounts on the front of the crankshaft.
- Cast iron outer ring
- Two integrated V-belt pulleys on the balancer
- Timing marks built into the balancer
- Neutral balance with no counterweight
Quick facts
- Part: PowerBond by Dayco PB1091N harmonic balancer
- Also called: engine harmonic balancer
- Fits: 1984-1995 Toyota 4Runner and other vehicles
- Material: Cast iron outer ring
- Condition: New
A visible wobble at the pulley, cracks in the outer ring or a belt that keeps slipping can all mean the balancer is failing. A stretched belt, a worn accessory bearing or a loose pulley can be behind those signs too, so find the cause before buying.
Fits
It is listed for a wide range of Toyota models, including the 1984-1995 Toyota 4Runner, the 1978-1995 Toyota Pickup and the 1977-1985 Toyota Celica. The 1984-1995 Toyota 4Runner takes one.
Specifications
Fit and size
- Quantity per vehicle: 1
- Overall outside diameter: 154.50 mm (6.083 in)
- Crank bore: 31.01 mm (1.221 in)
- Overall width: 58.00 mm (2.284 in)
- Nose outside diameter: 44.95 mm (1.770 in)
- Ring width: 21.03 mm (0.828 in)
- Bolt holes: 4
- Pulley 1 outside diameter: 136.500 mm (5.375 in)
- Pulley 2 outside diameter: 151.500 mm (5.965 in)
Build and materials
- Integrated pulleys: 2, both V-belt type
- Timing marks: yes
- Counterweight balance: neutral, no counterweight
- Outer ring material: cast iron
- Condition: New
In the box
One harmonic balancer. The woodruff key, mounting hardware and installation instructions are not included, and old bolts may not be reusable, so plan on new ones.
Interchange: 594-073 · DA-70
102084 · 102098 · 6002491
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
Is PB1091N the right 1978-1995 Toyota Pickup harmonic balancer?
Yes. PowerBond by Dayco PB1091N is listed for the 1978-1995 Toyota Pickup; the 1981-1995 years are listed for the L4-2.4L, and the 1981-1983 years also for the L4-2.2L.
Does a 1984-1995 Toyota 4Runner harmonic balancer like this one fit the L4-2.4L?
Yes, PB1091N is listed for the 1988-1995 Toyota 4Runner with the L4-2.4L, and the 1984-1987 years carry no engine restriction. If your Toyota is not named on this page, look it up in the "Vehicles it fits" section.
Is the outer ring on this engine harmonic balancer cast iron?
Yes. The outer ring of this harmonic balancer is cast iron, and the part has two integrated V-belt pulleys.
Does the PowerBond by Dayco PB1091N come with bolts or a key?
No. It is the harmonic balancer only: the woodruff key, mounting hardware and installation instructions are not included, so plan on new bolts.
What are the crank bore and pulley sizes on PB1091N?
The crank bore is 31.01 mm (1.221 in). The two V-belt pulleys measure 136.500 mm and 151.500 mm in outside diameter, and the overall outside diameter is 154.50 mm.
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