PowerBond by Dayco PB1018N harmonic balancer for the 1990 Chevrolet C1500 V8 7.4L and other vehicles absorbs crankshaft vibration at the front of the engine. Also called an engine harmonic balancer, it mounts on the front of the crankshaft.
- Grey iron outer ring
- Hub-weighted counterweight balance
- Timing marks on the balancer
- No integrated pulley and no crank trigger/exciter plate
Quick facts
- Part: PowerBond by Dayco PB1018N harmonic balancer
- Also called: engine harmonic balancer
- Fits: 1990 Chevrolet C1500 V8 7.4L and other vehicles
- Material: Grey Iron (outer ring)
- Condition: New
Vibration at the front of the engine or visible cracks in the ring can mean a balancer is worn. Other parts can cause vibration too, so find the cause first, and look the ring over for cracks with the engine off and cool. If the balancer is the cause, this one replaces it.
Fits
This harmonic balancer fits the 1990 Chevrolet C1500 V8 7.4L, the 1970-1976 Chevrolet Impala V8 7.4L and the 1988-1990 Chevrolet G30 V8 7.4L, along with many other Chevrolet and GMC models. A 1988-1990 Chevrolet G30 V8 7.4L takes one, and this listing is one balancer.
Specifications
Fit and size
- Quantity per vehicle: 1
- Overall outside diameter: 203.00 mm (7.993 in)
- Crank bore: 40.61 mm (1.599 in)
- Nose outside diameter: 59.25 mm (2.333 in)
- Ring width: 43.99 mm (1.732 in)
- Overall width: 68.20 mm (2.686 in)
- Bolt holes: 3
Build and materials
- Outer ring material: grey iron
- Counterweight balance: hub weighted
- Timing marks: yes
- Integrated pulleys: 0
- Condition: New
In the box
One harmonic balancer. Mounting hardware, a Woodruff key and installation instructions are not included, so plan on new hardware, as the old pieces may not be reusable.
Interchange: 594-010 · DA-4541
102049 · 6005209
This part cross-references / interchanges with the following part numbers:
102049, 594-010, 6005209, DA-4541
Frequently Asked Questions
Is this a Chevy Impala harmonic balancer that fits the 1970-1976 Chevrolet Impala V8 7.4L?
Yes. The PowerBond by Dayco PB1018N fits the 1970-1976 Chevrolet Impala V8 7.4L. If you drive something else, look up your own year, model and engine in the "Vehicles it fits" section.
Does the PowerBond by Dayco PB1018N come with bolts or a Woodruff key?
No. The listing is the harmonic balancer alone; mounting hardware, a Woodruff key and installation instructions are not included.
What are the crank bore and outside diameter of this harmonic balancer?
The crank bore is 40.61 mm (1.599 in) and the overall outside diameter is 203.00 mm (7.993 in). The balancer has 3 bolt holes and a 59.25 mm nose outside diameter.
How do I tell if my harmonic balancer is worn?
Look the ring over for visible cracks with the engine off and cool, and notice vibration at the front of the engine while driving. A shop can test the balancer with the engine running.
Does this balancer have a built-in pulley or a crank trigger plate?
No. The PowerBond by Dayco PB1018N has no integrated pulley and no crank trigger/exciter plate. It is hub weighted, with a grey iron outer ring and timing marks.
