Dorman 594-006 Engine Harmonic Balancer
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Dorman

Dorman 594-006 Engine Harmonic Balancer

Brand Dorman 594-006
Bolt And Washer Included Yes
Color/Finish Black
Degree Markings Yes
Drive Belt Type Serpentine
Grade Type Regular
Mounting Hole Quantity 1
Package Contents Balancer; 2 Woodruff Keys; Instruction Sheet
Fits Chevrolet and GMC · 271 vehicles

Direct replacement. Stress-resistant rubber bond absorbs engine vibration.

Ductile steel construction. Delivers excellent tensile and impact strength for durability.

Serpentine belt compatible. Built for a serpentine drive belt setup.

Cross-references ATP 102036, PowerBond by Dayco PB1201N and 458652 for the same application. See all 6.

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Dorman 594-006 Harmonic Balancer

Dorman 594-006 is a direct replacement engine harmonic balancer for select Chevrolet and GMC trucks and vans from 1977-1986. It uses a stress-resistant rubber bond to absorb engine vibration, while ductile steel construction adds tensile and impact strength for long-term durability.

Key Features

  • Direct replacement harmonic balancer for select GM V8 applications
  • Stress-resistant rubber bond helps absorb crankshaft vibration
  • Ductile steel construction for added strength and durability
  • Serpentine drive belt type
  • Degree markings included for timing reference
  • Bolt and washer included
  • Black finish
  • Package contents: balancer, 2 Woodruff keys, instruction sheet

Detailed Description

This Dorman harmonic balancer, part number 594-006, is built for Chevrolet C10, C20, C30, K10, K20, K30, K5 Blazer, P20, P30 and GMC C1500, C2500, C3500, Jimmy, K1500, K2500, K3500, P2500, and P3500 applications listed in the fitment data. It is a direct replacement for engines that need a reliable crankshaft vibration damper with a rubber isolator and steel body. This part cross-references ATP 102036 for the same application.

Compatible With 1977-1986 Chevrolet C10, 1977-1986 Chevrolet C10 Suburban, 1977-1986 Chevrolet C20, 1977-1986 Chevrolet C20 Suburban, 1980-1986 Chevrolet C30, 1977-1978 Chevrolet C30, 1983-1986 Chevrolet C35, 1977-1986 Chevrolet K10, 1977-1986 Chevrolet K10 Suburban, 1977-1986 Chevrolet K20, 1977-1986 Chevrolet K20 Suburban, 1977-1986 Chevrolet K30, 1977-1986 Chevrolet K5 Blazer, 1983-1986 Chevrolet P20, 1978-1979 Chevrolet P20, 1983-1986 Chevrolet P30, 1978-1979 Chevrolet P30, 1979-1986 GMC C1500, 1979-1986 GMC C1500 Suburban, 1979-1986 GMC C2500, 1979-1986 GMC C2500 Suburban, 1979-1986 GMC C3500, 1977-1986 GMC Jimmy, 1979-1986 GMC K1500, 1979-1986 GMC K1500 Suburban, 1979-1986 GMC K2500, 1979-1986 GMC K2500 Suburban, 1979-1986 GMC K3500, 1983-1986 GMC P2500, 1979 GMC P2500, 1983-1986 GMC P3500, and 1979 GMC P3500. It also matches select 350 CID 5.7L V8 listings, including 1981-1985 Chevrolet C10, 1985 Chevrolet C20, 1983-1985 Chevrolet C30, and 1985 GMC C2500.

Common Uses

  • Crankshaft vibration control on worn or failing balancers
  • Restoring timing mark visibility with degree markings
  • Replacing a balancer with deteriorated rubber bonding
  • Addressing belt drive issues on serpentine-equipped engines
  • Repairing noise or imbalance concerns at the front of the engine

Installation Notes

Verify engine displacement, belt type, and balancer indexing before installation. Use the included instruction sheet and Woodruff keys as directed, and confirm the timing marks align correctly after mounting. Check pulley alignment and crankshaft snout condition during service to help ensure proper operation.

Quality Assurance

Dorman builds this harmonic balancer with ductile steel and a vibration-absorbing rubber bond to support dependable service in demanding engine applications. Part number 594-006 is engineered as a direct replacement for the listed Chevrolet and GMC fitments.

Related reading

This part fits 271 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypeLitersCylindersFuel TypePositionNotes
1986ChevroletC10—5.7LV8—N/A—
1986ChevroletC10 Suburban—5.7LV8—N/A—
1986ChevroletC20—5.7LV8—N/A—
1986ChevroletC20 Suburban—5.7LV8—N/A—
1986ChevroletC30—5.7LV8—N/A—
1986ChevroletC35—5.7LV8—N/A—
1986ChevroletK10—5.7LV8—N/A—
1986ChevroletK10 Suburban—5.7LV8—N/A—
1986ChevroletK20—5.7LV8—N/A—
1986ChevroletK20 Suburban—5.7LV8—N/A—
1986ChevroletK30—5.7LV8—N/A—
1986ChevroletK5 Blazer—5.7LV8—N/A—
1986ChevroletP20—5.7LV8—N/A—
1986ChevroletP30—5.7LV8—N/A—
1986GMCC1500—5.7LV8—N/A—
1986GMCC1500 Suburban—5.7LV8—N/A—
1986GMCC2500—5.7LV8—N/A—
1986GMCC2500 Suburban—5.7LV8—N/A—
1986GMCC3500—5.7LV8—N/A—
1986GMCJimmy—5.7LV8—N/A—
1986GMCK1500—5.7LV8—N/A—
1986GMCK1500 Suburban—5.7LV8—N/A—
1986GMCK2500—5.7LV8—N/A—
1986GMCK2500 Suburban—5.7LV8—N/A—
1986GMCK3500—5.7LV8—N/A—
1986GMCP2500—5.7LV8—N/A—
1986GMCP3500—5.7LV8—N/A—
1985ChevroletC10————N/AV8 350CID 5.7L
1985ChevroletC10—5.7LV8—N/A—
1985ChevroletC10 Suburban—5.7LV8—N/A—
1985ChevroletC20————N/AV8 350CID 5.7L
1985ChevroletC20—5.7LV8—N/A—
1985ChevroletC20 Suburban—5.7LV8—N/A—
1985ChevroletC30————N/AV8 350CID 5.7L
1985ChevroletC30—5.7LV8—N/A—
1985ChevroletC35—5.7LV8—N/A—
1985ChevroletK10—5.7LV8—N/A—
1985ChevroletK10 Suburban—5.7LV8—N/A—
1985ChevroletK20—5.7LV8—N/A—
1985ChevroletK20 Suburban—5.7LV8—N/A—
1985ChevroletK30—5.7LV8—N/A—
1985ChevroletK5 Blazer—5.7LV8—N/A—
1985ChevroletP20—5.7LV8—N/A—
1985ChevroletP30—5.7LV8—N/A—
1985GMCC1500—5.7LV8—N/A—
1985GMCC1500 Suburban—5.7LV8—N/A—
1985GMCC2500————N/AV8 350CID 5.7L (5736cc)
1985GMCC2500—5.7LV8—N/A—
1985GMCC2500 Suburban—5.7LV8—N/A—
1985GMCC3500—5.7LV8—N/A—
1985GMCJimmy—5.7LV8—N/A—
1985GMCK1500—5.7LV8—N/A—
1985GMCK1500 Suburban—5.7LV8—N/A—
1985GMCK2500—5.7LV8—N/A—
1985GMCK2500 Suburban—5.7LV8—N/A—
1985GMCK3500—5.7LV8—N/A—
1985GMCP2500—5.7LV8—N/A—
1985GMCP3500—5.7LV8—N/A—
1984ChevroletC10————N/AV8 350CID 5.7L
1984ChevroletC10—5.7LV8—N/A—
1984ChevroletC10 Suburban—5.7LV8—N/A—
1984ChevroletC15—5.7LV8—N/A—
1984ChevroletC20—5.7LV8—N/A—
1984ChevroletC20 Suburban—5.7LV8—N/A—
1984ChevroletC30————N/AV8 350CID 5.7L
1984ChevroletC30—5.7LV8—N/A—
1984ChevroletC35—5.7LV8—N/A—
1984ChevroletK10—5.7LV8—N/A—
1984ChevroletK10 Suburban—5.7LV8—N/A—
1984ChevroletK20—5.7LV8—N/A—
1984ChevroletK20 Suburban—5.7LV8—N/A—
1984ChevroletK30—5.7LV8—N/A—
1984ChevroletK5 Blazer—5.7LV8—N/A—
1984ChevroletP20—5.7LV8—N/A—
1984ChevroletP30—5.7LV8—N/A—
1984GMCC1500—5.7LV8—N/A—
1984GMCC1500 Suburban—5.7LV8—N/A—
1984GMCC2500—5.7LV8—N/A—
1984GMCC2500 Suburban—5.7LV8—N/A—
1984GMCC3500—5.7LV8—N/A—
1984GMCJimmy—5.7LV8—N/A—
1984GMCK1500—5.7LV8—N/A—
1984GMCK1500 Suburban—5.7LV8—N/A—
1984GMCK2500—5.7LV8—N/A—
1984GMCK2500 Suburban—5.7LV8—N/A—
1984GMCK3500—5.7LV8—N/A—
1984GMCP2500—5.7LV8—N/A—
1984GMCP3500—5.7LV8—N/A—
1983ChevroletC10————N/AV8 350CID 5.7L
1983ChevroletC10—5.7LV8—N/A—
1983ChevroletC10 Suburban—5.7LV8—N/A—
1983ChevroletC20—5.7LV8—N/A—
1983ChevroletC20 Suburban—5.7LV8—N/A—
1983ChevroletC30————N/AV8 350CID 5.7L
1983ChevroletC30—5.7LV8—N/A—
1983ChevroletC35—5.7LV8—N/A—
1983ChevroletK10—5.7LV8—N/A—
1983ChevroletK10 Suburban—5.7LV8—N/A—
1983ChevroletK20—5.7LV8—N/A—
1983ChevroletK20 Suburban—5.7LV8—N/A—
1983ChevroletK30—5.7LV8—N/A—
1983ChevroletK5 Blazer—5.7LV8—N/A—
1983ChevroletP20—5.7LV8—N/A—
1983ChevroletP30—5.7LV8—N/A—
1983GMCC1500—5.7LV8—N/A—
1983GMCC1500 Suburban—5.7LV8—N/A—
1983GMCC2500—5.7LV8—N/A—
1983GMCC2500 Suburban—5.7LV8—N/A—
1983GMCC3500—5.7LV8—N/A—
1983GMCJimmy—5.7LV8—N/A—
1983GMCK1500—5.7LV8—N/A—
1983GMCK1500 Suburban—5.7LV8—N/A—
1983GMCK2500—5.7LV8—N/A—
1983GMCK2500 Suburban—5.7LV8—N/A—
1983GMCK3500—5.7LV8—N/A—
1983GMCP2500—5.7LV8—N/A—
1983GMCP3500—5.7LV8—N/A—
1982ChevroletC10————N/AV8 350CID 5.7L
1982ChevroletC10—5.7LV8—N/A—
1982ChevroletC10 Suburban—5.7LV8—N/A—
1982ChevroletC20—5.7LV8—N/A—
1982ChevroletC20 Suburban—5.7LV8—N/A—
1982ChevroletC30—5.7LV8—N/A—
1982ChevroletK10—5.7LV8—N/A—
1982ChevroletK10 Suburban—5.7LV8—N/A—
1982ChevroletK20—5.7LV8—N/A—
1982ChevroletK20 Suburban—5.7LV8—N/A—
1982ChevroletK30—5.7LV8—N/A—
1982ChevroletK5 Blazer—5.7LV8—N/A—
1982ChevroletP20—5.7LV8—N/Awo/Motorhome Chassis
1982ChevroletP30—5.7LV8—N/Awo/Motorhome Chassis
1982GMCC1500—5.7LV8—N/A—
1982GMCC1500 Suburban—5.7LV8—N/A—
1982GMCC2500—5.7LV8—N/A—
1982GMCC2500 Suburban—5.7LV8—N/A—
1982GMCC3500—5.7LV8—N/A—
1982GMCJimmy—5.7LV8—N/A—
1982GMCK1500—5.7LV8—N/A—
1982GMCK1500 Suburban—5.7LV8—N/A—
1982GMCK2500—5.7LV8—N/A—
1982GMCK2500 Suburban—5.7LV8—N/A—
1982GMCK3500—5.7LV8—N/A—
1982GMCP2500—5.7LV8—N/Awo/Motorhome Chassis
1982GMCP3500—5.7LV8—N/Awo/Motorhome Chassis
1981ChevroletC10————N/AV8 350CID 5.7L
1981ChevroletC10—5.7LV8—N/A—
1981ChevroletC10 Suburban—5.7LV8—N/A—
1981ChevroletC20—5.7LV8—N/A—
1981ChevroletC20 Suburban—5.7LV8—N/A—
1981ChevroletC30—5.7LV8—N/A—
1981ChevroletK10—5.7LV8—N/A—
1981ChevroletK10 Suburban—5.7LV8—N/A—
1981ChevroletK20—5.7LV8—N/A—
1981ChevroletK20 Suburban—5.7LV8—N/A—
1981ChevroletK30—5.7LV8—N/A—
1981ChevroletK5 Blazer—5.7LV8—N/A—
1981ChevroletP20—5.7LV8—N/Awo/Motorhome Chassis
1981ChevroletP30—5.7LV8—N/Awo/Motorhome Chassis
1981GMCC1500—5.7LV8—N/A—
1981GMCC1500RWD5.7LV8DIESELN/A—
1981GMCC1500 Suburban—5.7LV8—N/A—
1981GMCC2500—5.7LV8—N/A—
1981GMCC2500 Suburban—5.7LV8—N/A—
1981GMCC3500—5.7LV8—N/A—
1981GMCJimmy—5.7LV8—N/A—
1981GMCK1500—5.7LV8—N/A—
1981GMCK1500 Suburban—5.7LV8—N/A—
1981GMCK2500—5.7LV8—N/A—
1981GMCK2500 Suburban—5.7LV8—N/A—
1981GMCK3500—5.7LV8—N/A—
1981GMCP2500—5.7LV8—N/Awo/Motorhome Chassis
1981GMCP3500—5.7LV8—N/Awo/Motorhome Chassis
1980ChevroletC10—5.7LV8—N/A—
1980ChevroletC10RWD5.7LV8DIESELN/A—
1980ChevroletC10 Suburban—5.7LV8—N/A—
1980ChevroletC20—5.7LV8—N/A—
1980ChevroletC20 Suburban—5.7LV8—N/A—
1980ChevroletC30—5.7LV8—N/A—
1980ChevroletK10—5.7LV8—N/A—
1980ChevroletK10 Suburban—5.7LV8—N/A—
1980ChevroletK20—5.7LV8—N/A—
1980ChevroletK20 Suburban—5.7LV8—N/A—
1980ChevroletK30—5.7LV8—N/A—
1980ChevroletK5 Blazer—5.7LV8—N/A—
1980ChevroletP20—5.7LV8—N/Awo/Motorhome Chassis
1980ChevroletP30—5.7LV8—N/Awo/Motorhome Chassis
1980GMCC1500—5.7LV8—N/A—
1980GMCC1500RWD5.7LV8DIESELN/A—
1980GMCC1500 Suburban—5.7LV8—N/A—
1980GMCC2500—5.7LV8—N/A—
1980GMCC2500 Suburban—5.7LV8—N/A—
1980GMCC3500—5.7LV8—N/A—
1980GMCJimmy—5.7LV8—N/A—
1980GMCK1500—5.7LV8—N/A—
1980GMCK1500 Suburban—5.7LV8—N/A—
1980GMCK2500—5.7LV8—N/A—
1980GMCK2500 Suburban—5.7LV8—N/A—
1980GMCK3500—5.7LV8—N/A—
1980GMCP2500—5.7LV8—N/Awo/Motorhome Chassis
1980GMCP3500—5.7LV8—N/Awo/Motorhome Chassis
1979ChevroletC10RWD5.7LV8DIESELN/A—
1979ChevroletC10—5.7LV8—N/A—
1979ChevroletC10 Suburban—5.7LV8—N/A—
1979ChevroletC20—5.7LV8—N/A—
1979ChevroletC20 Suburban—5.7LV8—N/A—
1979ChevroletC30—5.7LV8—N/ADirect replacement harmonic balancer for engine.
1979ChevroletK10—5.7LV8—N/A—
1979ChevroletK10 Suburban—5.7LV8—N/A—
1979ChevroletK20—5.7LV8—N/A—
1979ChevroletK20 Suburban—5.7LV8—N/A—
1979ChevroletK30—5.7LV8—N/A—
1979ChevroletK5 Blazer—5.7LV8—N/A—
1979ChevroletP20—5.7LV8—N/A—
1979ChevroletP30—5.7LV8—N/A—
1979GMCC1500—5.7LV8—N/A—
1979GMCC1500RWD5.7LV8DIESELN/A—
1979GMCC1500 Suburban—5.7LV8—N/A—
1979GMCC2500—5.7LV8—N/A—
1979GMCC2500 Suburban—5.7LV8—N/A—
1979GMCC3500—5.7LV8—N/A—
1979GMCJimmy—5.7LV8—N/A—
1979GMCK1500—5.7LV8—N/A—
1979GMCK1500 Suburban—5.7LV8—N/A—
1979GMCK2500—5.7LV8—N/A—
1979GMCK2500 Suburban—5.7LV8—N/A—
1979GMCK3500—5.7LV8—N/A—
1979GMCP2500—5.7LV8—N/A—
1979GMCP3500—5.7LV8—N/A—
1978ChevroletC10—5.7LV8—N/A—
1978ChevroletC10 Suburban—5.7LV8—N/A—
1978ChevroletC10 Suburban—5.0LV8—N/A—
1978ChevroletC20—5.7LV8—N/A—
1978ChevroletC20 Suburban—5.0LV8—N/A—
1978ChevroletC20 Suburban—5.7LV8—N/A—
1978ChevroletC30RWD5.7LV8DIESELN/A—
1978ChevroletC30—5.7LV8—N/A—
1978ChevroletK10—5.7LV8—N/A—
1978ChevroletK10 Suburban—5.0LV8—N/A—
1978ChevroletK10 Suburban—5.7LV8—N/A—
1978ChevroletK20—5.7LV8—N/A—
1978ChevroletK20 Suburban—5.0LV8—N/A—
1978ChevroletK20 Suburban—5.7LV8—N/A—
1978ChevroletK30—5.7LV8—N/A—
1978ChevroletK5 Blazer—5.7LV8—N/A—
1978ChevroletK5 Blazer—5.0LV8—N/A—
1978ChevroletP10—5.7LV8—N/A—
1978ChevroletP20—5.7LV8—N/A—
1978ChevroletP30—5.7LV8—N/A—
1978GMCJimmy—5.7LV8—N/A—
1978GMCJimmy—5.0LV8—N/A—
1977ChevroletC10—5.7LV8—N/A—
1977ChevroletC10 Suburban—5.7LV8—N/A—
1977ChevroletC10 Suburban—5.0LV8—N/A—
1977ChevroletC20—5.7LV8—N/A—
1977ChevroletC20 Suburban—5.7LV8—N/A—
1977ChevroletC20 Suburban—5.0LV8—N/A—
1977ChevroletC30—5.7LV8—N/A—
1977ChevroletK10—5.7LV8—N/A—
1977ChevroletK10 Suburban—5.7LV8—N/A—
1977ChevroletK10 Suburban—5.0LV8—N/A—
1977ChevroletK20—5.7LV8—N/A—
1977ChevroletK20 Suburban—5.7LV8—N/A—
1977ChevroletK20 Suburban—5.0LV8—N/A—
1977ChevroletK30—5.7LV8—N/A—
1977ChevroletK5 Blazer—5.7LV8—N/A—
1977ChevroletK5 Blazer—5.0LV8—N/A—
1977ChevroletP10—5.7LV8—N/Awo/Motorhome Chassis
1977ChevroletP20—5.7LV8—N/Awo/Motorhome Chassis
1977ChevroletP30—5.7LV8—N/Awo/Motorhome Chassis
1977GMCJimmy—5.7LV8—N/A—
1977GMCJimmy—5.0LV8—N/A—
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ATP — 102036PowerBond by Dayco — PB1201N458652DA3504P-GM350DPC-1033