🧪Fluid Capacities

Subaru Outback 3.6R Fluid Capacities

Factory fluid capacity for the Subaru Outback 3.6R.

Last updated: 2026-10-29 • Reading time: 8 min • By AllOEMManuals Editorial Team

Quick Answer

2018-2019 Subaru Outback 3.6R: 4.70 OZS. (0.13 L) — DENSO Oil 12.

GenerationYearsTop spec
2018-20192018-20194.70 OZS. (0.13 L) — DENSO Oil 12
201720170.95 LBS. (0.43 KG) — HFO-1234yf (CH2)
2015-20162015-2016

This vehicle's factory manual

The spec is above. This opens the 2018 Subaru Outback 3.6R factory book. Use another year if yours is older.

Open the 2018 Subaru manual

Subaru Outback 3.6R maintenance schedule

Factory Manual ConfirmationFluid Capacities

Know the exact fluid capacities job for your Subaru Outback 3.6R

2018-2019 Subaru Outback 3.6R: 4.70 OZS. (0.13 L) — DENSO Oil 12.

Fluid type and capacity can change by engine, drivetrain, and transmission. Verify the exact branch before filling anything. Once the spec is confirmed, use the supplies and purchase links below to build the full one-trip shopping list before you start the repair.

Exact Vehicle Check

The button opens the factory book for this vehicle. Use the engine picker only when your trim is not the one this page already matched.

Open the factory manual above to confirm the exact engine before ordering parts.

2018-2019

Air Cond Compressor Oil4.70 OZS. (0.13 L) — DENSO Oil 12
Air Cond Refrigerant0.95 LBS. (0.43 KG) — HFO-1234yf (CH2)
Automatic Transmission Fluid (3.6L Eng)13.40 QTS. (12.68 L) — SUBARU High Torque CVT Fluid
Brake Fluid— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid
Differential Gear Oil (3.6L Eng)1.50 QTS. (1.41 L) — API - GL-5, SAE 75W-90 gear oil
Differential Gear Oil0.80 QTS. (0.75 L) — API - GL-5, SAE 75W-90 gear oil
Engine Coolant (3.6L Eng)7.40 QTS. (7 L) — SUBARU Super Coolant
Engine Oil (3.6L Eng)6.70 QTS. (6.34 L) — ILSAC GF-4 or GF-5, API - SAE 5W-30 Conventional Motor Oil
Fuel Tank18.50 GALS. (70.03 L)
Windshield Washer Fluid— Windshield Washer Fluid
Notes
  • →Your vehicle is designed to use 5W-30 conventional motor oil, however 5W-30 synthetic may be used for optimum engine performance. If you do choose to use synthetic oil, SUBARU recommends that you continue using synthetic for the life of your vehicle. If 5W-30 synthetic oil is not available 10W-30 or 10W-40 conventional oil may be used if you need to add oil. However, you should change to 5W-30 synthetic or conventional oil at the next oil change.
Air Cond Refrigerant0.95 LBS. (0.43 KG) — HFO-1234yf (CH2)
Automatic Transmission Fluid (3.6L Eng)13.40 QTS. (12.68 L) — SUBARU High Torque CVT Fluid
Brake Fluid— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid
Differential Gear Oil (3.6L Eng)1.50 QTS. (1.41 L) — API - GL-5, SAE 75W-90 gear oil
Differential Gear Oil0.80 QTS. (0.75 L) — API - GL-5, SAE 75W-90 gear oil
Engine Coolant (3.6L Eng)7.40 QTS. (7 L) — SUBARU Super Coolant
Engine Oil (3.6L Eng)6.70 QTS. (6.34 L) — ILSAC GF-4 or GF-5, API - SAE 5W-30 Conventional Motor Oil
Fuel Tank18.50 GALS. (70.03 L)
Windshield Washer Fluid— Windshield Washer Fluid
Notes
  • →Your vehicle is designed to use 5W-30 conventional motor oil, however 5W-30 synthetic may be used for optimum engine performance. If you do choose to use synthetic oil, SUBARU recommends that you continue using synthetic for the life of your vehicle. If 5W-30 synthetic oil is not available 10W-30 or 10W-40 conventional oil may be used if you need to add oil. However, you should change to 5W-30 synthetic or conventional oil at the next oil change.

2015-2016

Air Cond Compressor Oil
Air Cond Refrigerant0.85 LBS. (0.38 KG) — HFC-134a
Automatic Transmission Fluid (3.6L Eng)— SUBARU High Torque CVT Fluid
Brake Fluid— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid
Differential Gear Oil (3.6L Eng)— API - GL-5, SAE 75W-90 gear oil
Differential Gear Oil0.80 QTS. (0.75 L) — API - GL-5, SAE 75W-90 gear oil
Engine Coolant (3.6L Eng)7.40 QTS. (7 L) — SUBARU Super Coolant
Engine Oil (3.6L Eng)6.70 QTS. (6.34 L) — ILSAC GF-4 or GF-5, API - SAE 5W-30 Conventional Motor Oil
Fuel Tank18.50 GALS. (70.03 L)
Windshield Washer Fluid— Windshield Washer Fluid
Notes
  • →See Underhood Decal.
  • →Fluid Capacity is between: 13.20 - 13.70 qts.
  • →Fluid Capacity is between: 1.40 - 1.60 qts.
  • →Your vehicle is designed to use 5W-30 conventional motor oil, however 5W-30 synthetic may be used for optimum engine performance. If you do choose to use synthetic oil, SUBARU recommends that you continue using synthetic for the life of your vehicle.

Manual already checked Amazon for you

You came here for the exact spec. Now here is the exact part — plus the two things people always forget and have to run back to the store for.

The Exact Part
Verified Fit

Subaru Outback 3.6R Fluid Service Kit

Buy all the fluids your Subaru Outback 3.6R needs in one cart.

We earn a small commission if you buy through these links — at zero extra cost to you. We only suggest items that match the factory specs on this page.

Fluids — Manual's Parts List

Everything for a full fluid service weekend.

Vehicle-Scoped Amazon Search

Opens Amazon with Subaru Outback 3.6R prefilled so you can confirm fitment and avoid wrong parts.

Shop Exact Match on Amazon

Get everything at once

One search shows all of the above on a single page.

See All on Amazon

Links go to Amazon via our affiliate store (aiautorepair-20). We earn a small commission at no extra cost to you — it keeps the site running and the data free.

One-Trip Shopping List

Recommended supplies and tools for this job, grouped so you can buy everything before the repair starts.

Frequently Asked Questions

What fluid capacities does a Subaru Outback 3.6R use?
2018-2019 Subaru Outback 3.6R: 4.70 OZS. (0.13 L) — DENSO Oil 12.
Why do fluid capacities vary by generation for the Subaru Outback 3.6R?
Different engine options, transmission types, and cooling system designs across model years change total fluid volumes. Always use the capacity listed for your exact year and engine code — do not guess across generations.

Get the Complete Maintenance Schedule for Subaru Outback 3.6R

Oil, filters, belts, brakes, and fluid intervals sent to your inbox. Unsubscribe anytime.

Not sure you want to DIY? Compare local shop pricing first.

Author & Review

Published by AllOEMManuals, founded by Lyndon Bedford, an automotive technician with 20 years of experience. He owned and operated a mechanic shop in Hurst, Texas from 2014 to 2022 and continues hands-on repair work.

Content may combine manual references, general repair templates, and AI-assisted drafting. Confirm the source, vehicle configuration, and applicability before working. Report corrections through our contact page.

Last updated: 2026-10-29

Need a full step-by-step repair guide?

Start Free AI Diagnosis →

100% Free — No signup required