Chevrolet Silverado 3500HD coolant capacity
Total cooling-system coolant capacity for the Chevrolet Silverado 3500HD, by generation and engine, in quarts and liters.
Shop GM DEX-COOL Amazon · coolant for 2024-2026 models
| Years | Coolant | Buy |
|---|---|---|
| 2024-2026 | GM DEX-COOL (orange) | Shop |
| 2006-2022 | GM DEX-COOL (orange) | Shop |
Sources: GM 1996 Chevrolet C/K Pickup Owner's Manual, Penray, DEX-COOL frequently asked questions (archived copy). Shop links go to Amazon, and we may earn a commission at no extra cost to you.
| Years | Engine: capacity |
|---|---|
| 2025-2026 | 6.6L 8-cyl (L8T): 15.4 qt (14.6 L) 6.6L 8-cyl turbo diesel (L5P): 29.1 qt (27.5 L) |
| 2024 | 6.6L 8-cyl (L8T): 15.4 qt (14.6 L) 6.6L 8-cyl turbo diesel (L5P): 15.4 qt (14.6 L) |
| 2021-2022 | 6.6L 8-cyl (L8T): 15.4 qt (14.6 L) 6.6L 8-cyl turbo diesel (L5P): 30.1 qt (28.5 L) |
| 2020 | 6.6L 8-cyl (L8T): 16 qt (15.1 L) 6.6L 8-cyl turbo diesel (L5P): 30.1 qt (28.5 L) |
| 2019 | 6.0L 8-cyl (LC8): 17 qt (16.1 L) 6.0L 8-cyl (L96): 17 qt (16.1 L) 6.6L 8-cyl turbo diesel (L5P): 31.5 qt (29.8 L) |
| 2018 | 6.0L 8-cyl (L96): 17 qt (16.1 L) 6.6L 8-cyl turbo diesel (L5P): 31.5 qt (29.8 L) |
| 2017 | 6.0L 8-cyl (L96): 17 qt (16.1 L) 6.6L 8-cyl turbo diesel (L5P): 31.4 qt (29.7 L) |
| 2015-2016 | 6.0L 8-cyl (LC8): 17 qt (16.1 L) 6.0L 8-cyl (L96): 17 qt (16.1 L) 6.6L 8-cyl turbo diesel (LML): 28.5 qt (27 L) |
| 2013-2014 | 6.0L 8-cyl (L96): 16.4 qt (15.5 L) 6.6L 8-cyl turbo diesel (LML): 28.5 qt (27 L) |
| 2011-2012 | 6.0L 8-cyl (L96): 16.4 qt (15.5 L) 6.6L 8-cyl turbo diesel (LML): 28.5 qt (27 L) 6.6L 8-cyl turbo diesel (LGH): 28.5 qt (27 L) |
| 2010 | 6.0L 8-cyl (L96): 16.4 qt (15.5 L) 6.0L 8-cyl: 16.4 qt (15.5 L) 6.6L 8-cyl turbo diesel (LMM): 21.6 qt (20.4 L) |
| 2009 | 6.0L 8-cyl: 17.6 qt (16.7 L) 6.6L 8-cyl turbo diesel (LMM): 21.6 qt (20.4 L) |
| 2008 | 6.0L 8-cyl: 16.4 qt (15.5 L) 6.6L 8-cyl turbo diesel (LMM): 24.7 qt (23.4 L) |
| 2007 | 6.0L 8-cyl: 16.4 qt (15.5 L) 6.6L 8-cyl turbo diesel (LMM): 25.4 qt (24 L) |
| 2006 | 6.0L 8-cyl, 16.2-16.7 qt by version: 16.7 qt (15.8 L) 6.6L 8-cyl turbo diesel (LLY), 24.9-25.4 qt by version: 25.4 qt (24 L) 6.6L 8-cyl turbo diesel (LBZ), 24.9-25.4 qt by version: 25.4 qt (24 L) 8.1L 8-cyl - MT With Engine Fan: 27.1 qt (25.6 L) 8.1L 8-cyl - with HD AT Engine Fan: 25 qt (23.7 L) 8.1L 8-cyl - with AT Engine Fan: 26.9 qt (25.5 L) |
Capacity is the full cold-fill for the whole system. Top up to the marked level and use the coolant type specified in your owner's manual. Source.