Dorman 594-703 harmonic balancer for the 2007-2021 Toyota Tundra V8 5.7L, the 2010-2019 Tundra V8 4.6L and other vehicles absorbs vibration at the crankshaft. This Dorman harmonic balancer, also called an engine harmonic balancer, is a direct replacement that matches the original in fit and function.
- Stress-resistant rubber bond that absorbs engine vibration
- Cast iron body built to stringent specifications
- Dimensional verification, material validation and functional testing
- Keyway and degree markings, with 8 pulley grooves for the serpentine belt
- Dorman OE Solutions line, standard replacement grade
Quick facts
- Part: Dorman 594-703 harmonic balancer
- Also called: engine harmonic balancer
- Fits: the 2007-2021 Toyota Tundra V8 5.7L, the 2010-2019 Tundra V8 4.6L and other vehicles
- Material: Cast iron
- Condition: New
Cracked or separating rubber, or vibration you feel from the engine, can mean the balancer is worn out. A worn serpentine belt, a weak belt tensioner or a loose accessory pulley can be behind these signs too, so find the source before buying a balancer.
Fits
The 2007-2021 Toyota Tundra V8 5.7L, the 2008-2022 Toyota Sequoia V8 5.7L and the 2010-2023 Lexus GX460 V8 4.6L are among the vehicles this balancer fits. A 2010-2023 Lexus GX460 V8 4.6L needs just one, and this listing is one balancer. If your car is not named here, look up its year and engine in the "Vehicles it fits" section.
Specifications
Fit and size
- Outside diameter: 176 mm
- Inside diameter: 32 mm
- Mounting hole diameter: 32 mm
- Mounting hole quantity: 1
- Depth: 32 mm
- Pulley grooves: 8
- Quantity per vehicle: 1
Build and materials
- Material: cast iron
- Drive belt type: serpentine
- Keyway: yes
- Degree markings: yes
- Grade: standard replacement
- Condition: new
- Country of origin: China
In the box
One harmonic balancer and one instruction sheet. The center bolt, the bolt and washer and the mounting hardware are not included, and the old ones may not be reusable, so plan on new hardware.
Interchange: 24056710973179057 · 102416 · PB1650N · 134700S010
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
24056710973179057, 102416, PB1650N, 134700S010
Frequently Asked Questions
Will this harmonic balancer fit the 2010-2019 Toyota Tundra V8 4.6L?
Yes. Dorman 594-703 is listed for the 2010-2019 Toyota Tundra V8 4.6L and for the 2007-2021 Tundra V8 5.7L. Other models are listed in the "Vehicles it fits" section.
Does the Dorman 594-703 come with the center bolt?
No. Dorman 594-703 comes with one harmonic balancer and one instruction sheet; the center bolt, the bolt and washer and the mounting hardware are not included.
What size is this cast iron harmonic balancer?
The outside diameter is 176 mm, the inside and mounting hole diameters are 32 mm each and the depth is 32 mm. It has 8 pulley grooves for the serpentine belt.
How can I check the rubber on a harmonic balancer?
With the engine off and cool, look at the rubber ring for cracks or separation. A shop can test anything beyond that.
Does the Dorman OE Solutions harmonic balancer replace PB1650N?
Yes. PB1650N is one of the numbers Dorman 594-703 replaces, so this balancer can stand in for it.
