Which specification does Automatic transmission fluid (ATF) need for the GMC Sierra 1500 4.3 Ecotec3 V6 (2019–2021)?

Automatic transmission fluid (ATF) for the GMC Sierra 1500 4.3 Ecotec3 V6 (2019–2021): Dexron VI, JASO 1A.

Which specification does Axle & differential oil need for the GMC Sierra 1500 4.3 Ecotec3 V6 (2019–2021)?

Axle & differential oil for the GMC Sierra 1500 4.3 Ecotec3 V6 (2019–2021): 75W-90, API GL5, MIL-L 2105 C.

Brake fluid for the GMC Sierra 1500 4.3 Ecotec3 V6 (2019–2021): FMVSS 116 DOT 3, FMVSS 116 DOT 4.

Coolant & antifreeze for the GMC Sierra 1500 4.3 Ecotec3 V6 (2019–2021): G12, G12+.

For the GMC Sierra 1500 4.3 Ecotec3 V6 (2019–2021), the manufacturer specifies motor oil 5W-30 (API SQ, ILSAC GF-7A).

Fluid	Requirement
Motor oil	5W-30: API SQ, ILSAC GF-7A
Automatic transmission fluid (ATF)	Dexron VI, JASO 1A
Axle & differential oil	75W-90, API GL5, MIL-L 2105 C
Brake fluid	FMVSS 116 DOT 3, FMVSS 116 DOT 4
Coolant & antifreeze	G12, G12+

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