❄️Coolant Type

Chevrolet Silverado Coolant Type

Chevrolet Silverado coolant type chart by generation. Dex-Cool specification, capacity by engine, and service interval notes.

Last updated: 2026-10-28 • Reading time: 8 min • By AllOEMManuals Editorial Team

Quick Answer

The Chevy Silverado 1500 uses Dex-Cool orange OAT coolant. 5.3L V6 capacity is ~16.5L (17.4 qt) dry fill. Mix 50/50 with distilled water. Change every 5 years or 240,000 km.

GenerationYearsTop spec
T1XX (2019-2024)2019-2024Dex-Cool OAT (GM 6277M)
K2XX (2014-2018)2014-2018Dex-Cool OAT
GMT900 (2007-2013)2007-2013Dex-Cool OAT

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Chevrolet Silverado maintenance schedule

Factory Manual ConfirmationCoolant Type

Know the exact coolant type job for your Chevrolet Silverado

The Chevy Silverado 1500 uses Dex-Cool orange OAT coolant. 5.3L V6 capacity is ~16.5L (17.4 qt) dry fill. Mix 50/50 with distilled water. Change every 5 years or 240,000 km.

Fluid type and capacity can change by engine, drivetrain, and transmission. Verify the exact branch before filling anything. Once the spec is confirmed, use the supplies and purchase links below to build the full one-trip shopping list before you start the repair.

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GMT900 (2007-2013)

Representative 2007 manual branch for 2007-2013

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External Pages

Silverado Classic 1500 HD, 4WD

OEM

External Pages — 2007 Chevrolet Silverado Classic 1500 HD, 4WD Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Chevrolet >> 2007 >> Silverado Classic...

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External Pages

Silverado Classic 1500 HD, RWD

OEM

External Pages — 2007 Chevrolet Silverado Classic 1500 HD, RWD Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Chevrolet >> 2007 >> Silverado Classic...

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T1XX (2019-2024)

Coolant SpecDex-Cool OAT (GM 6277M)
ColorOrange
2.7L Capacity~15.5L dry fill
5.3L Capacity~16.5L (17.4 qt) dry fill
6.2L Capacity~16.5L dry fill
3.0L Diesel Capacity~17.5L dry fill
Mix Ratio50/50 distilled water
Change Interval5 years / 240,000 km
Notes
  • →Must use Dex-Cool — green coolant causes sludge
  • →Diesel uses different inhibitor package — verify spec

K2XX (2014-2018)

Coolant SpecDex-Cool OAT
ColorOrange
4.3L V6 Capacity~14.5L dry fill
5.3L V8 Capacity~16.5L dry fill
6.2L V8 Capacity~16.5L dry fill
Mix Ratio50/50
Change Interval5 years / 240,000 km

GMT900 (2007-2013)

Coolant SpecDex-Cool OAT
ColorOrange
4.8L/5.3L/6.0L/6.2L~16.5L dry fill
Mix Ratio50/50
Change Interval5 years / 240,000 km

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Chevrolet Silverado coolant

Get the exact coolant chemistry your Chevrolet Silverado needs. Wrong coolant = sludge and overheating.

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Frequently Asked Questions

What color coolant does a Chevy Silverado use?
All 2007+ Silverado 1500 models use orange Dex-Cool OAT coolant. Never mix with green IAT coolant — it creates gel and can clog the radiator.
How much coolant does a Silverado 5.3 hold?
The 5.3L V8 Silverado holds approximately 16.5 litres (17.4 quarts) on a dry fill. A drain-and-fill typically removes about half the total capacity.
What coolant type does a Chevrolet Silverado use?
The Chevy Silverado 1500 uses Dex-Cool orange OAT coolant. 5.3L V6 capacity is ~16.5L (17.4 qt) dry fill. Mix 50/50 with distilled water. Change every 5 years or 240,000 km.
Can I use universal coolant in a Chevrolet Silverado?
Factory manuals specify exact coolant chemistry for the Chevrolet Silverado. Using the wrong coolant type can cause corrosion, overheating, or gasket damage. Always match the OEM specification exactly — do not mix incompatible coolant types.

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Author & Review

Published by AllOEMManuals, founded by Lyndon Bedford, an automotive technician with 20 years of experience. He owned and operated a mechanic shop in Hurst, Texas from 2014 to 2022 and continues hands-on repair work.

Content may combine manual references, general repair templates, and AI-assisted drafting. Confirm the source, vehicle configuration, and applicability before working. Report corrections through our contact page.

Last updated: 2026-10-28

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