Checked oil specs by engine
2021 Lincoln Aviator oil capacity, type & filter
The 2021 Lincoln Aviator takes 6 qt of 5W-30 oil.
Applies to checked engine: 3.0L V6 Turbo.
AMSOIL EA15K43 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.
2021 Lincoln Aviator oil specs: capacity conditions and filter notes
All listed filter part numbers are compatible alternatives for your vehicle. Choose any one brand, then confirm the exact part number at checkout.
Retailer fitment tools may use different data. Confirm oil capacity, viscosity, and filter part number before ordering.
Source coverage for the 2021 Lincoln Aviator
Supported by Pennzoil OATS, Valvoline Product Finder, AMSOIL Lookup, and Castrol (Olyslager).
Supported by Pennzoil OATS, Valvoline Product Finder, AMSOIL Lookup, and Castrol (Olyslager).
Supported by K&N Filters, RockAuto, Purolator Part Finder, and AMSOIL Lookup.
7 checked source rows for the 2021 Lincoln Aviator.
Before ordering for this 2021 Lincoln Aviator
- Capacity
- 6 qt
- Oil type
- 5W-30 (Above -29°C)
- Interval
- 10,000 mi / 12 mo
- Filter
- AMSOIL EA15K43
Source check: Last checked 2026-06-27 from AMSOIL Lookup, K&N Filters, Pennzoil OATS, Purolator Part Finder, RockAuto, Valvoline Product Finder, and Castrol (Olyslager).
Lincoln Aviator oil specs by year
This table includes checked Lincoln Aviator model years available in our database.
| Year | Capacity | Oil type | Filter |
|---|---|---|---|
| 2025 | 6 qt | 5W-30 | AMSOIL EA15K43 |
| 2024 | 6 qt | 5W-30 | AMSOIL EA15K43 |
| 2023 | 6 qt | 5W-30 | AMSOIL EA15K43 |
| 2022 | 6 qt | 5W-30 | AMSOIL EA15K43 |
| 2021 Current page | 6 qt | 5W-30 | AMSOIL EA15K43 |
| 2020 | 6 qt | 5W-30 | AMSOIL EA15K43 |
| 2005 | 6 qt | 5W-20 | WIX 51372 |
How we verified 2021 Lincoln Aviator oil data
How we verify fitmentChecked fitment data. Last checked: 2026-06-27.
This page checked 7 sources for the 2021 Lincoln Aviator. 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
- 7
- Last checked
- 2026-06-27
- Capacity: Pennzoil OATS, Valvoline Product Finder, AMSOIL Lookup, and Castrol (Olyslager)
- Oil type: Pennzoil OATS, Valvoline Product Finder, AMSOIL Lookup, and Castrol (Olyslager)
- Filter: K&N Filters, RockAuto, Purolator Part Finder, and AMSOIL Lookup
- Change interval: Pennzoil OATS, Valvoline Product Finder, AMSOIL Lookup, and Castrol (Olyslager)
| Source | Supports | Checked | Link |
|---|---|---|---|
| AMSOIL Lookup | Capacity, Oil type, Filter | 2026-06-27 | Visit brand site |
| K&N Filters | Filter | 2026-06-27 | Visit brand site |
| Pennzoil OATS | Capacity, Oil type | 2026-06-27 | Visit brand site |
| Purolator Part Finder | Filter | 2026-06-27 | Visit brand site |
| RockAuto | Filter | 2026-06-27 | Checked source |
| Valvoline Product Finder | Capacity, Oil type | 2026-06-27 | Checked source |
| Castrol (Olyslager) | Capacity, Oil type | 2026-06-27 | Visit brand site |
2021 Lincoln Aviator oil FAQ
Is the oil capacity measured with or without the filter?
Capacity condition matters. With filter includes a new filter. Service fill is the typical drain-and-fill amount. Dry fill is for a fresh empty engine only.
Why should I confirm before buying?
Retailer catalogs can update separately. Confirm the exact 2021 Lincoln Aviator selector at checkout before you buy.
Do I also need to match the OEM oil approval?
Yes. Viscosity is only one part of the oil spec. Match the oil approval listed in your owner's manual or on the bottle before checkout.
How often should I change the oil on a 2021 Lincoln Aviator?
Castrol's service data indicates a 10,000 mi / 12 mo change interval for the 2021 Lincoln Aviator. Always follow your owner's manual and oil-life monitor. Severe service may require a shorter interval.
Do I need a new drain plug gasket?
Replace it when your vehicle uses a serviceable gasket or crush washer. Confirm the gasket size and drain plug torque from the service manual or parts counter.
2021 Lincoln Aviator 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 2021 Lincoln Aviator. Confirm capacity, viscosity, and filter part number before checkout.
Search 2021 Lincoln Aviator oil & filter →AutoZone
Use AutoZone's vehicle selector for the 2021 Lincoln Aviator before checkout to confirm oil capacity, viscosity, and filter fitment.
Search 2021 Lincoln Aviator oil & filter →Amazon
Search Amazon listings for the 2021 Lincoln Aviator and check listing fitment notes against the specs above.
Search 2021 Lincoln Aviator oil & filter →O'Reilly
Open O'Reilly's fitment search for the 2021 Lincoln Aviator and verify oil capacity, viscosity, and filter part number before ordering.
Search 2021 Lincoln Aviator oil & filter →Look up another vehicle
Find checked oil capacity, type, and filter data by exact year, make, and model.