Checked oil specs by engine
2019 GMC Sierra 2500 HD oil capacity, type & filter
Multiple engine options are listed for the 2019 GMC Sierra 2500 HD. Select your engine below before buying oil or a filter.
| Engine | Capacity | Oil Type | Filter |
|---|---|---|---|
| 6.6L 8-Cyl Turbo Diesel | 10 qt | 5W-40 | Purolator L35399 |
| 6.0L 8-Cyl | 6 qt | 5W-30 | AMSOIL EA15K50 |
| 2.7L Turbo | 6 qt | 5W-30 | — |
| 3.0L Diesel | 7 qt | — | — |
| 4.3L V6 | 6 qt | 5W-30 | — |
| 5.3L V8 | 8 qt | 0W-20 | — |
| 6.2L V8 | 8 qt | 0W-20 | — |
Match one of 7 checked engine options before buying oil or a filter. Also check 2019 GMC Sierra .
Purolator L35399 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.
AMSOIL EA15K50 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.
Search paths only — confirm your OEM viscosity spec and quantity before checkout.
Search paths only — confirm your OEM viscosity spec and quantity before checkout.
Search paths only — confirm your OEM viscosity spec and quantity before checkout.
2019 GMC Sierra 2500 HD oil specs: capacity conditions and filter notes
Check the door jamb sticker, owner's manual, or displacement badge on the engine cover. Match it to the engine options listed above before buying oil or a filter.
All listed filter part numbers are compatible alternatives for your vehicle. Choose any one brand, then confirm the exact part number at checkout.
Filter fitment has not been fully verified for every engine listed. Confirm the part number with the retailer before ordering.
Retailer fitment tools may use different data. Confirm oil capacity, viscosity, and filter part number before ordering.
Source coverage for the 2019 GMC Sierra 2500 HD
Supported by Pennzoil OATS, Valvoline Product Finder, AMSOIL Lookup, and Castrol (Olyslager).
Supported by Pennzoil OATS and Valvoline Product Finder.
Supported by Purolator Part Finder and AMSOIL Lookup.
5 checked source rows for the 2019 GMC Sierra 2500 HD.
Before ordering for this 2019 GMC Sierra 2500 HD
- Capacity
- 10 qt
- Oil type
- 5W-40
- Interval
- 12 mo
- Filter
- Purolator L35399
- Capacity
- 6 qt
- Oil type
- 5W-30
- Filter
- AMSOIL EA15K50
- Capacity
- 6 qt
- Oil type
- 5W-30
- Filter
- Unverified
- Capacity
- 7 qt
- Oil type
- Unverified
- Filter
- Unverified
- Capacity
- 6 qt
- Oil type
- 5W-30
- Filter
- Unverified
- Capacity
- 8 qt
- Oil type
- 0W-20
- Filter
- Unverified
- Capacity
- 8 qt
- Oil type
- 0W-20
- Filter
- Unverified
Source check: Last checked 2026-06-27 from Purolator Part Finder, Pennzoil OATS, AMSOIL Lookup, Valvoline Product Finder, and Castrol (Olyslager).
GMC Sierra 2500 HD oil specs by year
This table includes checked GMC Sierra 2500 HD model years available in our database.
| Year | Capacity | Oil type | Filter |
|---|---|---|---|
| 2019 Current page | 10 qt (multiple engines) | 5W-40 | Purolator L35399 |
| 2018 | 6 qt (multiple engines) | 5W-30 | AMSOIL EA15K50 |
| 2017 | 6 qt (multiple engines) | 5W-30 | AMSOIL EA15K50 |
| 2016 | 6 qt (multiple engines) | 5W-30 | AMSOIL EA15K50 |
| 2015 | 6 qt (multiple engines) | 5W-30 | AMSOIL EA15K50 |
| 2014 | 10 qt (multiple engines) | 15W-40 | WIX 51518 |
| 2013 | 10 qt (multiple engines) | 5W-40 | AMSOIL EA15K01 |
| 2012 | 10 qt (multiple engines) | 5W-40 | AMSOIL EA15K01 |
| 2011 | 6 qt (multiple engines) | 5W-30 | AMSOIL EA15K50 |
| 2010 | 6 qt (multiple engines) | 5W-30 | AMSOIL EA15K50 |
| 2009 | 6 qt (multiple engines) | 5W-30 | AMSOIL EA15K50 |
| 2008 | 6 qt (multiple engines) | 5W-30 | AMSOIL EA15K50 |
| 2007 | 6 qt (multiple engines) | 5W-30 | AMSOIL EA15K50 |
| 2006 | 6 qt (multiple engines) | 5W-30 | AMSOIL EA15K32 |
| 2005 | 6 qt (multiple engines) | 5W-30 | AMSOIL EA15K32 |
How we verified 2019 GMC Sierra 2500 HD oil data
How we verify fitmentChecked fitment data. Last checked: 2026-06-27.
This page checked 5 sources for the 2019 GMC Sierra 2500 HD. The table lists which checked source contributed capacity, oil type, or filter evidence.
We checked leading oil brands and aftermarket filter catalogs so you don't have to.
- Confidence
- Cross-check pending
- Sources checked
- 5
- Last checked
- 2026-06-27
- Capacity: Pennzoil OATS, Valvoline Product Finder, AMSOIL Lookup, and Castrol (Olyslager)
- Oil type: Pennzoil OATS and Valvoline Product Finder
- Filter: Purolator Part Finder and AMSOIL Lookup
- Change interval: Pennzoil OATS and Valvoline Product Finder
| Source | Supports | Checked | Link |
|---|---|---|---|
| Purolator Part Finder | Filter | 2026-06-27 | Visit brand site |
| Pennzoil OATS | Capacity, Oil type | 2026-06-27 | Visit brand site |
| AMSOIL Lookup | Capacity, Filter | 2026-06-27 | Visit brand site |
| Valvoline Product Finder | Capacity, Oil type | 2026-06-27 | Checked source |
| Castrol (Olyslager) | Capacity | 2026-06-27 | Visit brand site |
2019 GMC Sierra 2500 HD maintenance checklist
One part checked. Look up the rest while you're here.
Where to buy
These are retailer search paths for your vehicle. The specs above are checked — use the retailer's vehicle selector at checkout to confirm before ordering.
This section may include affiliate or sponsored retailer links. They are purchase paths, not fitment evidence.
Walmart
Compare oil and filter listings for the 2019 GMC Sierra 2500 HD. Confirm capacity, viscosity, and filter part number before checkout.
Search 2019 GMC Sierra 2500 HD oil & filter →AutoZone
Use AutoZone's vehicle selector for the 2019 GMC Sierra 2500 HD before checkout to confirm oil capacity, viscosity, and filter fitment.
Search 2019 GMC Sierra 2500 HD oil & filter →Amazon
Search Amazon listings for the 2019 GMC Sierra 2500 HD and check listing fitment notes against the specs above.
Search 2019 GMC Sierra 2500 HD oil & filter →O'Reilly
Open O'Reilly's fitment search for the 2019 GMC Sierra 2500 HD and verify oil capacity, viscosity, and filter part number before ordering.
Search 2019 GMC Sierra 2500 HD oil & filter →Look up another vehicle
Find checked oil capacity, type, and filter data by exact year, make, and model.