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What size is the oil drain plug on a 7.3 powerstroke?

The oil drain plug on a 7.3 Powerstroke diesel engine is typically a 3/4-inch (19mm) plug. This size is standard across most Ford diesel engines, including the popular 7.3L Powerstroke model.


Understanding the 7.3 Powerstroke Engine


The 7.3L Powerstroke diesel engine was produced by Ford and Navistar International from 1994 to 2003. It was known for its durability, reliability, and impressive torque output, making it a popular choice for heavy-duty trucks and commercial vehicles. The engine's oil drain plug is an important component that allows for easy oil changes and maintenance.


Locating and Accessing the Oil Drain Plug


The oil drain plug on a 7.3 Powerstroke is typically located at the bottom of the oil pan, near the front of the engine. To access the plug, you'll need to position the vehicle on a level surface and engage the parking brake. Then, follow these steps:



  • Locate the oil drain plug, which is usually a hexagonal-shaped bolt.

  • Place a drain pan underneath the plug to catch the used oil.

  • Using a 3/4-inch (19mm) socket or wrench, slowly loosen the plug and allow the oil to drain completely.

  • Once the oil has drained, clean the plug threads and replace the plug, tightening it securely.


It's important to note that the oil drain plug on a 7.3 Powerstroke should be tightened to the manufacturer's recommended torque specification, typically around 25-35 ft-lbs (34-47 Nm).


Importance of Proper Oil Maintenance


Regular oil changes and proper oil maintenance are crucial for the longevity and performance of the 7.3 Powerstroke engine. Neglecting oil changes or using the wrong oil can lead to increased wear, reduced fuel efficiency, and even engine failure. By understanding the size of the oil drain plug and following proper maintenance procedures, you can help ensure your 7.3 Powerstroke engine continues to perform at its best.

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.