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What size is the drain plug on a Ford F150?

The drain plug on a Ford F150 typically has a size of 3/4 inch. This is the standard size for the oil drain plug on most Ford F150 trucks, though the exact size may vary slightly depending on the model year and specific configuration of the vehicle.


Understanding the Drain Plug Size


The drain plug on a Ford F150 is responsible for allowing the engine oil to be drained from the oil pan during routine maintenance. The size of the drain plug is an important factor to consider when performing an oil change or other service that requires draining the oil.


The 3/4 inch size is a common standard for many vehicles, including the Ford F150. This size refers to the diameter of the threaded portion of the drain plug, which allows it to be securely tightened into the oil pan. Using the correct size drain plug is crucial to prevent leaks and ensure a proper seal.


Verifying the Drain Plug Size


While the 3/4 inch size is typical, it's always a good idea to double-check the specific drain plug size for your Ford F150 model. You can do this by:



  • Consulting your owner's manual or service documentation for your vehicle

  • Inspecting the drain plug itself, which may have the size stamped or printed on it

  • Measuring the drain plug with a caliper or micrometer to determine the exact diameter


Knowing the correct drain plug size is important to ensure you have the right replacement part on hand when performing an oil change or other service that requires draining the oil.

What size is the oil drain on a Ford F150?


Notes: Engine Oil Drain Plug. Original type valve. M12-1.75" Thread Size.



What size socket for oil drain plug Ford F150?


The F-150 oil drain plug socket size is typically 15mm for many models, but can also be 16mm depending on the year and engine. Some later models, particularly those with the 3.5L EcoBoost engine, may have a plastic drain plug that requires pliers or an 8mm socket to remove the underbody shield first. 

Socket Size Year/Engine Other Tools Needed
15mm Many models, including 2017 3/8" ratchet, possibly a 3-inch extension
16mm Older models like the 5.4L V8 from 2009-2014 3/8" ratchet, possibly a 3-inch extension
Pliers or 8mm socket Some newer models with a plastic drain plug and underbody shield 8mm socket, plastic pry tool, or pliers
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What size is the oil drain plug on a 2018 Ford F150?


M12-1.75"
M12-1.75" Thread Size. Not compatible with plastic drain plugs.



What size is the oil drain plug on a 2014 Ford F150?


The 2014 Ford F-150 oil drain plug size is typically M14-1.50 for most engines, but some models with the M12-1.75 size are also available. It's best to confirm your specific engine type before purchasing a replacement. The M14-1.50 plug requires a 16mm wrench, and the M12-1.75 plug requires a 15mm wrench. 
Common sizes

  • M14-1.50: This is the more common size, especially for models with the 5.0L engine and certain other V8s. 
    • Head size: 16mm 
    • Required tool: 16mm wrench 
  • M12-1.75: This size is also available, with a 15mm head. 

How to confirm the correct size
  • Check your vehicle's owner's manual for the exact specifications.
  • Visually inspect the drain plug on your oil pan.
  • Look up the part number for your specific truck and engine configuration on an auto parts website.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.