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  • 2020-2023 Chevrolet Silverado 2500/3500 HD 6.6L OEM Radiator
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2020-2023 Chevrolet Silverado 2500/3500 HD 6.6L OEM Radiator
2020-2023 Chevrolet Silverado 2500/3500 HD 6.6L OEM Radiator
2020-2023 Chevrolet Silverado 2500/3500 HD 6.6L OEM Radiator
2020-2023 Chevrolet Silverado 2500/3500 HD 6.6L OEM Radiator
2020-2023 Chevrolet Silverado 2500/3500 HD 6.6L OEM Radiator
2020-2023 Chevrolet Silverado 2500/3500 HD 6.6L OEM Radiator
Load image into Gallery viewer, 2020-2023 Chevrolet Silverado 2500/3500 HD 6.6L OEM Radiator
Load image into Gallery viewer, 2020-2023 Chevrolet Silverado 2500/3500 HD 6.6L OEM Radiator
Load image into Gallery viewer, 2020-2023 Chevrolet Silverado 2500/3500 HD 6.6L OEM Radiator
Load image into Gallery viewer, 2020-2023 Chevrolet Silverado 2500/3500 HD 6.6L OEM Radiator
Load image into Gallery viewer, 2020-2023 Chevrolet Silverado 2500/3500 HD 6.6L OEM Radiator
Load image into Gallery viewer, 2020-2023 Chevrolet Silverado 2500/3500 HD 6.6L OEM Radiator

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2020-2023 Chevrolet Silverado 2500/3500 HD 6.6L OEM Radiator

K2 Industries
K2-10306-CHV-006-EC
Engine Components
$330.00 $269.99
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2020-2023 Chevrolet Silverado 2500/3500 HD 6.6L OEM Radiator
Description
2020–2023 Chevrolet Silverado 2500/3500 HD 6.6L OEM Radiator

Direct replacement radiator engineered for the 6.6L Duramax diesel platform. Built to OEM specifications for reliable cooling under heavy-duty conditions. Hard panel construction with factory core design ensures compatibility with existing cooling system components.

✓ Ships from FL Warehouse ✓ In-House Quality Check ✓ Factory Mounting Points
Key Features
  • OEM-spec core design - Maintains original heat dissipation performance without modification
  • Factory mounting points - Bolts directly into existing frame locations, no drilling or adapter plates required
  • Duramax-rated capacity - Sized for the thermal load of the 6.6L diesel engine under towing and sustained use
Specs
  • Material: Aluminum
  • Configuration: Single-pass core with OEM tank design
  • Condition: New
Whats Included
  • Radiator assembly
Frequently Asked Questions

Do I need to drain the entire cooling system to swap this in?

Yes. Disconnect both hoses, drain the system into a catch pan, then unbolt the radiator from the frame. Reverse the process with your new unit. Have a fresh coolant mix ready before refill.

Will this work with my existing hoses and thermostat housing?

Factory hoses and housing connect at the same points, so no adapter fittings are needed. Verify hose condition before reinstall — if they're original, consider replacing them at the same time.

What's the return window if this radiator doesn't fit?

Test-fit before you seal it into the engine bay. If it doesn't align with your mounting points or hose connections, reach out to us within 30 days for next steps.

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