Checked oil specs by engine
2018 Jeep Wrangler oil capacity, type & filter
Multiple engine options are listed for the 2018 Jeep Wrangler. Select your engine below before buying oil or a filter.
| Engine | Capacity | Oil Type | Filter |
|---|---|---|---|
| 2.0L 4-Cyl Turbo | 5 qt | 5W-30 | AMSOIL EA15K50 |
| 3.6L V6 | 5.9 qt | — | AMSOIL EA15K19 |
| 2.8L | 7 qt | 5W-30 | — |
| 3.8L | 6 qt | 5W-30 | — |
Match one of 4 checked engine options before buying oil or a filter.
AMSOIL EA15K50 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.
AMSOIL EA15K19 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.
2018 Jeep Wrangler 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.
With filter means the volume includes a new filter. Service fill is the typical drain-and-fill amount. Dry fill is for a fresh empty engine only.
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 2018 Jeep Wrangler
Supported by Pennzoil OATS, Valvoline Product Finder, AMSOIL Lookup, and CarAraC Engine Oil.
Supported by Pennzoil OATS, Valvoline Product Finder, AMSOIL Lookup, and CarAraC Engine Oil.
Supported by RockAuto, Purolator Part Finder, and AMSOIL Lookup.
7 checked source rows for the 2018 Jeep Wrangler.
Before ordering for this 2018 Jeep Wrangler
- Capacity
- 5 qt (Service fill)
- Oil type
- 5W-30
- Filter
- AMSOIL EA15K50
- Capacity
- 5.9 qt
- Oil type
- Unverified
- Filter
- AMSOIL EA15K19
- Capacity
- 7 qt
- Oil type
- 5W-30
- Filter
- Unverified
- Capacity
- 6 qt
- Oil type
- 5W-30
- Filter
- Unverified
Source check: Last checked 2026-06-27 from AMSOIL Lookup, Purolator Part Finder, Pennzoil OATS, RockAuto, Valvoline Product Finder, CarAraC Engine Oil, and Castrol (Olyslager).
Jeep Wrangler oil specs by year
This table includes checked Jeep Wrangler model years available in our database.
| Year | Capacity | Oil type | Filter |
|---|---|---|---|
| 2025 | 5 qt (multiple engines) | 5W-30 | AMSOIL EA15K50 |
| 2024 | 5 qt (multiple engines) | 5W-30 | Purolator L12222 |
| 2023 | 5 qt (multiple engines) | 5W-30 | AMSOIL EA15K50 |
| 2022 | 5 qt (multiple engines) | 5W-30 | Purolator L12222 |
| 2021 | 5 qt (multiple engines) | 5W-30 | Purolator L12222 |
| 2020 | 5 qt (multiple engines) | 5W-30 | AMSOIL EA15K50 |
| 2019 | 5 qt (multiple engines) | 5W-30 | AMSOIL EA15K50 |
| 2018 Current page | 5 qt (multiple engines) | 5W-30 | AMSOIL EA15K50 |
| 2017 | 5.9 qt (multiple engines) | 5W-20 | AMSOIL EA15K19 |
| 2016 | 5.9 qt | 5W-20 | AMSOIL EA15K19 |
| 2015 | 5.9 qt | 5W-20 | AMSOIL EA15K19 |
| 2014 | 5.9 qt | 5W-20 | ULTRA-POWER WL10010 |
| 2013 | 5.9 qt | 5W-20 | R84526 |
| 2012 | 5.9 qt | 5W-30 | R84526 |
| 2011 | 6 qt (multiple engines) | 5W-20 | PRO-TEC PXL51348 |
| 2010 | 6 qt | 5W-20 | AMSOIL EA15K51 |
| 2009 | 6 qt | 5W-20 | AMSOIL EA15K51 |
| 2008 | 6 qt | 5W-20 | AMSOIL EA15K51 |
| 2007 | 6 qt | 5W-20 | AMSOIL EA15K51 |
How we verified 2018 Jeep Wrangler oil data
How we verify fitmentChecked fitment data. Last checked: 2026-06-27.
This page checked 7 sources for the 2018 Jeep Wrangler. 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 CarAraC Engine Oil
- Oil type: Pennzoil OATS, Valvoline Product Finder, AMSOIL Lookup, and CarAraC Engine Oil
- Filter: RockAuto, Purolator Part Finder, and AMSOIL Lookup
| Source | Supports | Checked | Link |
|---|---|---|---|
| AMSOIL Lookup | Capacity, Oil type, Filter | 2026-06-27 | Visit brand site |
| Purolator Part Finder | Filter | 2026-06-27 | Visit brand site |
| Pennzoil OATS | Capacity, Oil type | 2026-06-27 | Visit brand site |
| RockAuto | Filter | 2026-06-27 | Checked source |
| Valvoline Product Finder | Capacity, Oil type | 2026-06-27 | Checked source |
| CarAraC Engine Oil | Capacity, Oil type | 2026-06-27 | Checked source |
| Castrol (Olyslager) | Checked | 2026-06-27 | Visit brand site |
2018 Jeep Wrangler 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 2018 Jeep Wrangler. Confirm capacity, viscosity, and filter part number before checkout.
Search 2018 Jeep Wrangler oil & filter →AutoZone
Use AutoZone's vehicle selector for the 2018 Jeep Wrangler before checkout to confirm oil capacity, viscosity, and filter fitment.
Search 2018 Jeep Wrangler oil & filter →Amazon
Search Amazon listings for the 2018 Jeep Wrangler and check listing fitment notes against the specs above.
Search 2018 Jeep Wrangler oil & filter →O'Reilly
Open O'Reilly's fitment search for the 2018 Jeep Wrangler and verify oil capacity, viscosity, and filter part number before ordering.
Search 2018 Jeep Wrangler oil & filter →Look up another vehicle
Find checked oil capacity, type, and filter data by exact year, make, and model.