Dorman 621-805 Radiator Fan Assembly 20-26 Chevy Silverado 1500 GMC Sierra 1500

In stock
SKU: 591|621805
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 $865.72
Select your vehicle at the top of the page to check fitment.
Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.

Product details

  • SKU 591|621805
  • Barcode 194883850453

This engine cooling fan assembly is precision-engineered to match the fit and performance of the stock radiator fan on specific vehicle years, makes and models. It has been rigorously tested to ensure it cools as effectively as the original part.

  • Ideal replacement - this engine cooling fan assembly was precision-engineered to match the fit and performance of the stock radiator fan assembly on specific vehicles
  • Complete package - assembly is designed with the same materials and components as the original part
  • Quality assured - motors are tested in laboratory settings to ensure performance
  • Cost effective and reliable - trustworthy manufacturing for far less than same part at the dealership

Vehicle Fitment

Year Make Model Position Notes
2025 Chevrolet Silverado
2020-2026 Chevrolet Silverado 1500
2022 Chevrolet Silverado 1500 LTD
2022 Chevrolet Silverado 1500 Nueva
2020-2026 GMC Sierra 1500
2022 GMC Sierra 1500 Limited

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 621-805
UPC 194883850453
Material Plastic
Width 32 in.
Terminal Type Blade
Height 34 in.
Terminal Quantity 3
Connector Gender Female
Terminal Gender Male
Amperage Rating 22
Voltage 12
Connector Quantity 3
Connector Type Blade
Wiring Harness Included No
Shaft Diameter 0.4 in.
Blade Material Plastic
Blade Type Standard Replacement
Depth 3 in.
Package Quantity 3004.75
Housing Finish Natural
Blade Color Black
Motor Type Brushless
Hub Bolt Hole Quantity 2
Hub Bolt Hole Diameter 0.4 in.
Blade Included No
Shroud Included Yes
Shroud Material Plastic
Shroud Color Black
Flat Side On Shaft Yes
Grade Type Standard Replacement
Motor Included No
Hardwired Or Plug-In Hardwired
Diameter 16.2 in.; 16.2 in
Control Unit Included No
Electrical Or Mechanical Electrical
Fan 1 Blade Quantity 5
Fan Rotation Clockwise (Right)
Package Contents 1 Rad Fan Assembly
Country of Origin Taiwan
Warranty Limited Lifetime

OE & Interchange Numbers

85589271 General Motors (OE)
85112427 ACDelco (OE)
84580365 General Motors (OE)
84337481 General Motors (OE)
86777555 General Motors (OE)
84174291 General Motors (OE)
86777556 General Motors (OE)
84580364 General Motors (OE)
626000 Interchange
85112427 Interchange
FA51437C Interchange
6010530 Interchange