2021 Chevrolet Silverado 2500HD specs
Every verified maintenance spec for the 2021 Chevrolet Silverado 2500HD in one place - tap any part for full details, replacements, and where to buy.
Battery
Group 94R, 720-730 CCA (Flooded)
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Engine oil
5W-30/5W-40, 8 qt with a filter change
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Wiper blades
22" driver + 22" passenger
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All specs are for distinct year/make/model configurations, each checked against a cited source. Trims and engines vary - confirm against your vehicle before buying.