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2019–2025 T1XX (4th generation)

2019–2025 Chevrolet Silverado 1500 Fluid Types and Capacities

Which transmission fluid, coolant, and brake fluid the 2019–2025 Chevrolet Silverado 1500 takes, with capacities and the specifications each one has to meet. Transmission: 8L90 8-speed (2.7L, most 5.3L): Mobil 1 Synthetic LV ATF HP (blue label), TSB 18-NA-355 fluid. 10L80 10-speed (6.2L, diesel, some 5.3L 4WD): Dexron HP / LV ATF HP per GM service info. 6L80 6-speed on 2019–2021 base 4.3L/5.3L WT-Custom: Dexron VI.. Coolant: Dexcool (orange) 50/50 pre-mix; change at 5 years / 150,000 mi. Turbo and diesel engines have additional cooling circuits. Capacities vary by engine..

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2019–2025 Chevrolet Silverado 1500 fluid guide

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SystemFluid type & capacity
CoolantDexcool (orange) 50/50 pre-mix; change at 5 years / 150,000 mi. Turbo and diesel engines have additional cooling circuits. Capacities vary by engine.
Transmission8L90 8-speed (2.7L, most 5.3L): Mobil 1 Synthetic LV ATF HP (blue label), TSB 18-NA-355 fluid. 10L80 10-speed (6.2L, diesel, some 5.3L 4WD): Dexron HP / LV ATF HP per GM service info. 6L80 6-speed on 2019–2021 base 4.3L/5.3L WT-Custom: Dexron VI.
Brake fluidDOT 3 brake fluid
Power steeringNone (electric power steering)
Differential75W-85 synthetic gear oil (rear axle)
Transfer caseAuto-Trak II fluid (4WD)

Plain washer fluid; no special spec

Which Chevrolet Silverado 1500 model years does this cover?

These fluids specifications apply to every Chevrolet Silverado 1500 built from 2019 through 2025 — the T1XX (4th generation), full-size half-ton pickup (regular, double, crew cab); interior refresh 2022. Nothing in this specification changes between those model years. Pick your year for the engines it offered, what changed that year, and the problems recorded against it.

2019 Silverado 15002020 Silverado 15002021 Silverado 15002022 Silverado 15002023 Silverado 15002024 Silverado 15002025 Silverado 1500

What changed during the 2019–2025 Chevrolet Silverado 1500

  • 2019Generation launch: 2.7L Turbo debuts, 5.3L/6.2L gain DFM, 4.3L V6 and 6-speed carry over on base trims
  • 20203.0L Duramax LM2 diesel arrives; 6.2L/diesel use the 10L80 10-speed
  • 2021Last year for the 4.3L V6 (fleet/base); multi-flex tailgate spreads
  • 2022Major refresh: all-new interior with 13.4-in Google infotainment, ZR2 flagship debuts, Super Cruise on High Country; LED lamps standard on most retail trims
  • 20232.7L becomes 'TurboMax' (430 lb-ft); LZ0 Duramax replaces LM2 (305 hp, 200k-mi oil-pump belt)
  • 2024–2025Carryover years; 2021–2024 6.2L trucks swept into recall 25V-274 in April 2025

2019–2025 Chevrolet Silverado 1500 fluids: common questions

What transmission fluid does a 2019–2025 Chevrolet Silverado 1500 take?

8L90 8-speed (2.7L, most 5.3L): Mobil 1 Synthetic LV ATF HP (blue label), TSB 18-NA-355 fluid. 10L80 10-speed (6.2L, diesel, some 5.3L 4WD): Dexron HP / LV ATF HP per GM service info. 6L80 6-speed on 2019–2021 base 4.3L/5.3L WT-Custom: Dexron VI.. Transmission fluid specifications are not interchangeable. Friction modifiers differ between them, and the wrong fluid causes shudder long before it causes failure.

What coolant does a 2019–2025 Chevrolet Silverado 1500 use?

Dexcool (orange) 50/50 pre-mix; change at 5 years / 150,000 mi. Turbo and diesel engines have additional cooling circuits. Capacities vary by engine..

What brake fluid does a 2019–2025 Chevrolet Silverado 1500 take?

DOT 3 brake fluid.

What differential fluid does a 2019–2025 Chevrolet Silverado 1500 take?

75W-85 synthetic gear oil (rear axle).

Sources

Other Chevrolet Silverado 1500 generations

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