Dorman 594-031 Harmonic Balancer Assembly 62-89 Chevy Impala C20 Suburban
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price
$138.07
Select your vehicle at the top of the page to check fitment.
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Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
This direct replacement harmonic balancer features a stress-resistant rubber bond to properly absorb engine vibration. Stringent standards help ensure excellent tensile and impact strength for greater durability.
- Ideal replacement - this harmonic balancer assembly exactly matches the fit and function of the original harmonic balancer for a direct replacement
- Durable construction - stringent specifications and careful construction help ensure longevity
- Thoroughly tested - this harmonic balancer has undergone dimensional verification, material validation and functional testing
- Trustworthy quality - backed by a team of product experts in the United States and more than a century of automotive experience
Vehicle Fitment
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1966 | Chevrolet | Bel Air | 2 Groove Pulley; w/Forged Steel Crankshaft; 4.6L V8 | |
| 1966-1967 | Chevrolet | Biscayne | 2 Groove Pulley; 6.5L V8 | |
| 1975-1981 | Chevrolet | C10 | 2 Groove Pulley; 4.8L L6 | |
| 1973-1974 | Chevrolet | C10 Pickup | 2 Groove Pulley; 4.8L L6 | |
| 1966 | Chevrolet | C10 Pickup | 2 Groove Pulley; w/Forged Steel Crankshaft; 4.6L V8 | |
| 1973-1974 | Chevrolet | C10 Suburban | 2 Groove Pulley; 4.8L L6 | |
| 1986 | Chevrolet | C15 | 2 Groove Pulley; 4.8L L6 | |
| 1984 | Chevrolet | C15 | 2 Groove Pulley; 4.8L L6 | |
| 1980-1986 | Chevrolet | C20 | 2 Groove Pulley; 4.8L L6 | |
| 1975-1978 | Chevrolet | C20 | 2 Groove Pulley; 4.8L L6 | |
| 1973-1974 | Chevrolet | C20 Pickup | 2 Groove Pulley; 4.8L L6 | |
| 1966 | Chevrolet | C20 Pickup | 2 Groove Pulley; w/Forged Steel Crankshaft; 4.6L V8 | |
| 1973-1982 | Chevrolet | C20 Suburban | 2 Groove Pulley; 4.8L L6 | |
| 1975-1986 | Chevrolet | C30 | 2 Groove Pulley; 4.8L L6 | |
| 1973-1974 | Chevrolet | C30 Pickup | 2 Groove Pulley; 4.8L L6 | |
| 1966 | Chevrolet | C30 Pickup | 2 Groove Pulley; w/Forged Steel Crankshaft; 4.6L V8 | |
| 1983-1987 | Chevrolet | C35 | 2 Groove Pulley; 4.8L L6 | |
| 1966 | Chevrolet | Caprice | 2 Groove Pulley; w/Forged Steel Crankshaft; 4.6L V8 | |
| 1967 | Chevrolet | Chevelle | 2 Groove Pulley; wo/Hi-Perf; 6.5L V8 | |
| 1967 | Chevrolet | Chevelle | 2 Groove Pulley; wo/Hi-Perf; 5.3L V8 | |
| 1966 | Chevrolet | Chevelle | 2 Groove Pulley; w/Forged Steel Crankshaft; 4.6L V8 | |
| 1966 | Chevrolet | Chevy II | 2 Groove Pulley; w/Forged Steel Crankshaft; 4.6L V8 | |
| 1966 | Chevrolet | Chevy II | 2 Groove Pulley; 5.4L V8 | |
| 1966 | Chevrolet | El Camino | 2 Groove Pulley; w/Forged Steel Crankshaft; 4.6L V8 | |
| 1975-1978 | Chevrolet | G20 | 2 Groove Pulley; 4.8L L6 | |
| 1974 | Chevrolet | G20 Van | 2 Groove Pulley; 4.8L L6 | |
| 1975-1979 | Chevrolet | G30 | 2 Groove Pulley; 4.8L L6 | |
| 1974 | Chevrolet | G30 Van | 2 Groove Pulley; 4.8L L6 | |
| 1973 | Chevrolet | G30 Van | 2 Groove Pulley; 4.1L L6 | |
| 1972-1973 | Chevrolet | G30 Van | 2 Groove Pulley; 5.7L V8 | |
| 1980-1984 | Chevrolet | Impala | 2 Groove Pulley; 3.8L V6 | |
| 1966-1967 | Chevrolet | Impala | 2 Groove Pulley; 6.5L V8 | |
| 1966-1967 | Chevrolet | Impala | 2 Groove Pulley; 4.1L L6 | |
| 1964-1967 | Chevrolet | Impala | 2 Groove Pulley; 5.4L V8 | |
| 1962-1967 | Chevrolet | Impala | 2 Groove Pulley; 5.3L V8 | |
| 1980 | Chevrolet | K10 | 2 Groove Pulley; 4.8L L6 | |
| 1975-1976 | Chevrolet | K10 | 2 Groove Pulley; 4.8L L6 | |
| 1973-1974 | Chevrolet | K10 Pickup | 2 Groove Pulley; 4.8L L6 | |
| 1966-1968 | Chevrolet | K10 Pickup | 2 Groove Pulley; 5.3L V8 | |
| 1975-1986 | Chevrolet | K20 | 2 Groove Pulley; 4.8L L6 | |
| 1967 | Chevrolet | K20 Panel | 2 Groove Pulley; 4.1L L6 | |
| 1973-1974 | Chevrolet | K20 Pickup | 2 Groove Pulley; 4.1L L6 | |
| 1973-1974 | Chevrolet | K20 Pickup | 2 Groove Pulley; 4.8L L6 | |
| 1966-1968 | Chevrolet | K20 Pickup | 2 Groove Pulley; 5.3L V8 | |
| 1973-1982 | Chevrolet | K20 Suburban | 2 Groove Pulley; 4.8L L6 | |
| 1977-1986 | Chevrolet | K30 | 2 Groove Pulley; 4.8L L6 | |
| 1973-1974 | Chevrolet | K30 Pickup | 2 Groove Pulley; 4.8L L6 | |
| 1975-1980 | Chevrolet | P10 | 2 Groove Pulley; 4.8L L6 | |
| 1975-1989 | Chevrolet | P20 | 2 Groove Pulley; 4.8L L6 | |
| 1974 | Chevrolet | P20 Van | 2 Groove Pulley; 4.8L L6 | |
| 1975-1989 | Chevrolet | P30 | 2 Groove Pulley; 4.8L L6 | |
| 1979-1989 | Chevrolet | P40 | 2 Groove Pulley; 4.8L L6 | |
| 1987-1988 | Chevrolet | R20 | 2 Groove Pulley; 4.8L L6 | |
| 1987-1988 | Chevrolet | R30 | 2 Groove Pulley; 4.8L L6 | |
| 1966 | Chevrolet | Suburban | 2 Groove Pulley; w/Forged Steel Crankshaft; 4.6L V8 | |
| 1987 | Chevrolet | V20 | 2 Groove Pulley; 4.8L L6 | |
| 1987-1988 | Chevrolet | V30 | 2 Groove Pulley; 4.8L L6 |
Please confirm the part number and your vehicle's year, make, model and engine before ordering. Questions? Message us with your VIN and we'll check fitment for you.
Specifications
| Brand | Dorman |
|---|---|
| Part Number | 594-031 |
| UPC | 019495019985 |
| Inside Diameter | 31.6 mm |
| Outside Diameter | 171.12 mm |
| Pulley Groove Quantity | 2 |
| Mounting Hole Quantity | 1 |
| Depth | 62 mm |
| Grade Type | Standard Replacement |
| Center Bolt Included | No |
| Color | Silver |
| Degree Markings | Yes |
| Material | Cast Iron |
| Mounting Hardware Included | Yes |
| Package Contents | 1 Harmonic Balancer; 1 Instruction Sheet |
| Country of Origin | China |
| Warranty | Limited Lifetime |
OE & Interchange Numbers
| 25523502 | General Motors (OE) |
|---|---|
| 352197 | General Motors (OE) |
| 3857352 | General Motors (OE) |
| 3896903 | General Motors (OE) |
| PC-1017 | Interchange |
| 102070 | Interchange |
| DA292 | Interchange |
| PB1449N | Interchange |
| P-GM292A | Interchange |