3.5 EcoBoost Oil Capacity Chart: Types and Year 2011-2026

The 3.5 EcoBoost oil capacity is 6.0 quarts or 5.7 liters for Ford F-150 applications from 2011 through 2026. That figure is the service-fill capacity associated with an oil and filter change in Ford’s published specifications.

Ford F-150 showing 3.5 EcoBoost oil capacity service setup
Ford F-150 showing 3.5 EcoBoost oil capacity service setup

The capacity stayed remarkably consistent, but the required Ford oil specification changed several times. That difference matters when you are buying 5W-30 for an older first-generation EcoBoost or a current F-150.

This guide focuses on the Ford F-150 3.5L EcoBoost V6. Expedition, Navigator, PowerBoost hybrid, and other 3.5L EcoBoost applications should be checked against their own owner’s manuals rather than assuming every installation uses identical specifications.

3.5 EcoBoost Oil Capacity Chart by Year

3.5 EcoBoost engine showing six quart oil capacity reference
3.5 EcoBoost engine showing six quart oil capacity reference.

Ford specifies SAE 5W-30 across the F-150 3.5L EcoBoost years covered here. The service-fill quantity remains 6.0 quarts, while the Ford WSS oil standard changes by model year.

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Model YearEngineOil Capacity With FilterLitersOil ViscosityFord Specification
20113.5L EcoBoost V66.0 qt5.7 LSAE 5W-30WSS-M2C929-A
20123.5L EcoBoost V66.0 qt5.7 LSAE 5W-30WSS-M2C946-A
20133.5L EcoBoost V66.0 qt5.7 LSAE 5W-30WSS-M2C946-A
20143.5L EcoBoost V66.0 qt5.7 LSAE 5W-30WSS-M2C946-A
20153.5L EcoBoost V66.0 qt5.7 LSAE 5W-30WSS-M2C946-A
20163.5L EcoBoost V66.0 qt5.7 LSAE 5W-30WSS-M2C946-A
20173.5L EcoBoost V66.0 qt5.7 LSAE 5W-30WSS-M2C946-A
20183.5L EcoBoost V66.0 qt5.7 LSAE 5W-30WSS-M2C946-A
20193.5L EcoBoost V66.0 qt5.7 LSAE 5W-30WSS-M2C946-B1
20203.5L EcoBoost V66.0 qt5.7 LSAE 5W-30WSS-M2C946-B1
20213.5L EcoBoost V66.0 qt5.7 LSAE 5W-30WSS-M2C961-A1
20223.5L EcoBoost V66.0 qt5.7 LSAE 5W-30WSS-M2C961-A1
20233.5L EcoBoost V66.0 qt5.7 LSAE 5W-30WSS-M2C961-A1
20243.5L EcoBoost V66.0 qt5.7 LSAE 5W-30WSS-M2C961-A1
20253.5L EcoBoost V66.0 qt5.7 LSAE 5W-30WSS-M2C961-A1
20263.5L EcoBoost V66.0 qt5.7 LSAE 5W-30WSS-M2C961-A1

Ford’s 2011 documentation lists 6.0 quarts with SAE 5W-30 meeting WSS-M2C929-A. The 2012 F-150 owner’s guide already moves the 3.5L EcoBoost to WSS-M2C946-A, while keeping the same 6.0-quart capacity.

Ford retained WSS-M2C946-A through the earlier second-generation period. The 2018 F-150 documentation still lists 5.7 liters and WSS-M2C946-A.

For 2019 and 2020, Ford documentation lists WSS-M2C946-B1. Beginning with the 2021-generation documentation, the required specification becomes WSS-M2C961-A1.

What 6 Quarts Means With a New Oil Filter

The 6.0-quart figure is the refill specification you should use when servicing the engine with its oil filter. Ford’s later manuals explicitly label the capacity as including the oil filter.

Do not treat six quarts as a command to pour every drop into the crankcase without checking the level. Drain time, truck angle, residual oil, and service conditions can affect the final dipstick reading.

Ford says the oil level is acceptable when it sits between the minimum and maximum marks. Later F-150 documentation also states that roughly 1.0 quart or 0.9 liter separates the minimum and nominal dipstick positions.

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Add the specified amount carefully, run the engine as required, then verify the final level on level ground.

What Oil Type Does the 3.5 EcoBoost Use

Oil quantity is only half of the specification. Ford also defines the required viscosity and engineering standard for each model year.

SAE 5W-30 Motor Oil

Ford specifies SAE 5W-30 for the F-150 3.5L EcoBoost across the year range covered in this chart.

The 5W rating describes cold-temperature viscosity behavior, while 30 describes viscosity at normal operating temperature. For an oil change, the bottle should match both the viscosity and the Ford specification required by your year.

Ford does not require you to buy a product solely because the label says Motorcraft. Later manuals state that another gasoline-engine oil can be used when it has the recommended viscosity and appropriate API certification.

Ford WSS Specifications by Year

The engineering specification is where many generic oil-capacity charts become inaccurate.

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For the F-150 3.5L EcoBoost, the progression is:

  • 2011: WSS-M2C929-A
  • 2012 to 2018: WSS-M2C946-A
  • 2019 to 2020: WSS-M2C946-B1
  • 2021 to 2026: WSS-M2C961-A1

Ford’s manuals show these specifications alongside SAE 5W-30, so checking only viscosity is not the best way to choose oil.

Check the back label or product data sheet before buying oil. Use the specification listed for your truck’s model year.

SAE 0W-30 for Extreme Cold

Ford provides an alternative SAE 0W-30 recommendation for certain later F-150s used in extremely cold conditions.

For 2019 and 2020 documentation, Ford lists 0W-30 meeting WSS-M2C953-B1 where ambient temperature reaches about -22°F or -30°C.

From 2021 onward, Ford documentation lists 0W-30 meeting WSS-M2C963-A1 for that extreme-cold application. Ford also recommends considering the alternative oil for regular operation above 5,000 feet when temperatures remain below -4°F.

For normal temperatures, stay with the standard 5W-30 specification listed for your model year.

How 3.5 EcoBoost Oil Specs Changed by Generation

The 3.5 EcoBoost oil capacity did not increase when Ford redesigned the engine, but its lubricant specifications evolved with newer oil standards.

First Generation 2011 to 2016

Ford introduced the 3.5L EcoBoost V6 in the F-150 for the 2011 model year. That truck used 6.0 quarts of SAE 5W-30 and Ford specification WSS-M2C929-A.

For 2012, Ford changed the specification to WSS-M2C946-A while retaining the same 6.0-quart capacity. Ford’s 2012 manual directly lists 6.0 quarts, SAE 5W-30, and WSS-M2C946-A.

The same basic 5W-30 and 6.0-quart combination continued through the rest of the first-generation F-150 EcoBoost years.

Second Generation 2017 to 2020

The second-generation 3.5L EcoBoost arrived for the 2017 F-150, but the oil refill remained 6.0 quarts or 5.7 liters.

Owners dealing with startup rattle or valvetrain-related repairs can also review our guide to 3.5 EcoBoost cam phaser replacement cost. That page is in Truck Guider’s existing Ford library and covers the repair separately from routine oil service.

The 2018 documentation still shows WSS-M2C946-A. By 2019, Ford had moved the F-150 specification to WSS-M2C946-B1, which remained in the 2020 manual.

Current Generation 2021 to 2026

Ford’s 2021 F-150 documentation moved the 3.5L EcoBoost to SAE 5W-30 meeting WSS-M2C961-A1. Capacity remained 6.0 quarts with the filter.

Ford’s 2022 and later service information keeps that same 6.0-quart capacity and WSS-M2C961-A1 specification for the standard 3.5L EcoBoost application.

That makes model-year identification more important for oil specification than for capacity.

Which Ford Models Use the 3.5 EcoBoost

The 3.5L EcoBoost engine family has appeared in several Ford and Lincoln products, including F-150, Expedition, Navigator, Explorer, Flex, Taurus SHO, and other applications depending on year.

Do not use the F-150 chart above as a universal specification for every one of those models. Oil pan design, calibration, model year, and installation can affect published service information.

This article’s 2011 to 2026 chart is specifically for F-150 3.5L EcoBoost applications.

The 3.5L PowerBoost hybrid should also be treated as a separate configuration when checking service data. Ford gives the conventional 3.5L EcoBoost and hybrid powertrain separate specification sections in F-150 documentation.

If your truck is a Raptor, PowerBoost, Expedition, or Navigator, confirm the exact engine and year through the matching Ford owner’s manual before servicing it.

How to Refill the 3.5 EcoBoost Correctly

Ford’s published capacity gives you a target, but the dipstick confirms whether the final level is correct.

  1. Park the F-150 on level ground.
  2. Drain the used engine oil completely.
  3. Remove and replace the oil filter.
  4. Reinstall the drain plug using the correct service procedure for your year.
  5. Add most of the 6.0-quart refill quantity.
  6. Reinstall the oil filler cap.
  7. Start the engine and allow oil to circulate.
  8. Shut the engine off and allow oil to drain back into the pan.
  9. Remove the dipstick and wipe it with a clean lint-free cloth.
  10. Reinsert the dipstick fully, then remove it again.
  11. Confirm the oil level sits within the acceptable range.
  12. Add small amounts only if the level requires correction.
  13. Check the drain plug and filter area for leaks.

Ford’s oil-checking procedure specifies level ground and warns that checking too soon after shutdown can give an inaccurate reading.

Do not guess the drain-plug torque from another F-150 year or engine. Drain hardware and service procedures can change, so use the specification for your exact truck.

What Happens If You Overfill the 3.5 EcoBoost

Do not intentionally fill the crankcase above the dipstick’s maximum mark.

Ford explicitly warns that oil above the maximum mark may cause engine damage. The owner’s manual instructs you to recheck the level after adding oil rather than continuing to pour until a predetermined container is empty.

If the dipstick clearly reads above MAX after the engine has been checked using Ford’s procedure, remove enough oil to return the level to the approved range.

A published capacity is a service reference. The properly checked dipstick remains the final confirmation.

What Happens If the 3.5 EcoBoost Is Low on Oil

Running below the acceptable dipstick range reduces the amount of lubricant available to the engine and its oil-fed components.

Ford says to add oil immediately when the level reaches the minimum mark. If the oil level remains between the minimum and maximum marks, Ford considers the reading acceptable.

Repeatedly finding the engine low deserves more attention than simply topping it off. Check for visible leakage, document consumption, and diagnose any abnormal loss.

Correct lubrication also matters to the EcoBoost timing system. Truck Guider’s existing F-150 EcoBoost timing chain guide covers timing-related symptoms and maintenance considerations separately.

If timing hardware already needs major work, see the Ford F-150 timing chain replacement cost guide for repair-cost context.

Which 3.5 EcoBoost Oil Capacity Should You Use

For a standard Ford F-150 3.5L EcoBoost oil and filter change, use 6.0 quarts or 5.7 liters as the published refill capacity, then verify the finished level with the dipstick.

Use SAE 5W-30 and match the Ford specification to your year. That means WSS-M2C929-A for 2011, WSS-M2C946-A for 2012 through 2018, WSS-M2C946-B1 for 2019 through 2020, and WSS-M2C961-A1 for 2021 through 2026.

If your specific owner’s manual differs from a general chart, follow the manual supplied for your truck.

3.5 EcoBoost Oil Capacity FAQ

How Many Quarts of Oil Does a 3.5 EcoBoost Take

The Ford F-150 3.5L EcoBoost takes 6.0 quarts or 5.7 liters in the published service specifications. Ford retains that capacity across the 2011 through 2026 F-150 years covered here.

Does the 3.5 EcoBoost Take 6 or 6.5 Quarts

Ford specifies 6.0 quarts for the F-150 3.5L EcoBoost applications covered in this chart. Do not add an extra half-quart solely because another website lists a higher number. Check the dipstick after the refill and follow your exact owner’s manual.

What Oil Does Ford Recommend for the 3.5 EcoBoost

Ford specifies SAE 5W-30 for the F-150 3.5L EcoBoost. The required WSS specification changes by year, so a 2014 F-150 and a 2024 F-150 do not list the same Ford engineering standard even though both use 5W-30.

Can I Use 0W-30 in a 3.5 EcoBoost

Yes, but only where Ford identifies 0W-30 as the extreme-cold alternative for the applicable model year. Current documentation specifies SAE 0W-30 meeting WSS-M2C963-A1 when temperatures reach approximately -22°F or -30°C.

Is 3.5 EcoBoost Oil Capacity the Same With a New Filter

Ford’s later F-150 manuals explicitly list 6.0 quarts or 5.7 liters including the oil filter. That is the figure to use for a normal oil and filter service, followed by a proper dipstick check.

Did Ford Change the 3.5 EcoBoost Oil Capacity

The F-150 service capacity remains 6.0 quarts across the 2011 through 2026 range researched here. What changed more noticeably was the required Ford WSS oil specification, progressing through WSS-M2C929-A, WSS-M2C946-A, WSS-M2C946-B1, and WSS-M2C961-A1.

Author

  • Mr_Shamrock

    With more than two decades in the automotive world, Mr_Shamrock is Truckguider's go-to expert for Ford and Chevy Trucks. From the F-150 to the Silverado, his breadth of knowledge covers a wide range of models, making him a reliable resource for buyers, owners, and enthusiasts alike. His expertise is also featured in online communities like Truck Forums, where he offers valuable advice and reviews.

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