Oil
- Viscosity
- 0W-20
- Oil type
- Full Synthetic
- Capacity (with filter)
- 8 qt
- Capacity (without filter)
- 7.7 qt
OEM notes: dexos1 Gen 3
2019 GMC Sierra HD Maintenance & Specs
Everything you need to maintain your 2019 GMC Sierra HD — oil specs, maintenance schedule, recalls, and more.
The 2019 GMC Sierra HD takes 0W-20 Full Synthetic with a total capacity of 8 quarts (filter included). Below you’ll find complete maintenance specs, fluid capacities, parts, and links to buy what you need.
Data last verified: April 28, 2026
Oil
0W-20
Full Synthetic
Buy on Amazon →
Capacity
8 qt
with filter
OEM spec: dexos1 Gen 3
Quick DIY Tips for the 2019 GMC Sierra HD
- Always use 0W-20 Full Synthetic as specified by GMC — using the wrong viscosity can void your powertrain warranty.
- Check the maintenance schedule below for your next service interval.
Filter options
No filter cross-references added yet.
Drain bolt & hardware
Drain bolt specs not yet added.
Fluid specifications
Transmission Fluid
Buy →- Type
- Dexron VI
- Capacity
- 5.5 qt
- Change interval
- 50,000 mi
Brake Fluid
Buy →- DOT type
- DOT 3
- Change interval
- 45,000 mi
Coolant
Buy →- Type
- Dex-Cool
- Color
- Orange
- Capacity
- 9 qt
- Change interval
- 120,000 mi
Power Steering Fluid
Buy →- Type
- GM Power Steering Fluid
Differential Fluid (rear)
Buy →- Type
- 75W-90 GL-5
- Capacity
- 2.5 qt
- Change interval
- 60,000 mi
Parts & specifications
Spark Plugs
- Type
- Iridium
- Gap
- 0.040
- Quantity
- 4
- Change interval
- 100,000 mi
Battery
- Group size
- 48
- CCA
- 750
Tires
- Size
- 265/70R17
- Front pressure
- 35 PSI
- Rear pressure
- 35 PSI
Air Filter
Cabin Air Filter
Brake Pads
Wiper Blades
Maintenance schedule
Select a mileage interval above to see scheduled maintenance items.
Torque specifications
- lug nut
- 120 ft-lbs / 162.7 Nm
- spark plug
- 18 ft-lbs / 24.4 Nm
14mm thread, aluminum head
Save by doing it yourself
A shop typically charges $70–$160 for this service. Buy the parts yourself and save.
Shop Parts for the GMC Sierra HD
Find oil, filters, and maintenance parts for the 2019 GMC Sierra HD on Amazon.
Tools & supplies
Step-by-step guide
Detailed walkthrough with tips for first-timers.
Read guide →How often to change oil
Intervals, severe service, and what your car needs.
Read guide →Synthetic vs. conventional
Which oil type is right for your engine and budget.
Read guide →Have info for this vehicle?
Help fellow owners — submit specs from your owner's manual.
As an Amazon Associate, OilChangeDIY.com earns from qualifying purchases. Product links on this page may be affiliate links. See our affiliate disclosure for details.