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What size are Ford starter bolts?

The size of Ford starter bolts can vary depending on the specific model and year of the vehicle. However, there are some common sizes that are typically used across Ford's lineup. In this article, we'll provide a detailed overview of the most common Ford starter bolt sizes to help you ensure you have the right hardware for your repair or replacement needs.


Common Ford Starter Bolt Sizes


The most common Ford starter bolt sizes are:



  • 3/8-16 x 1 inch

  • 3/8-16 x 1.25 inch

  • 3/8-16 x 1.5 inch

  • 3/8-16 x 2 inch


These bolt sizes are typically used on a wide range of Ford vehicles, including the F-150, Mustang, Expedition, and many others. The 3/8-16 thread size is the most common, with the length varying depending on the specific application.


Factors That Affect Starter Bolt Size


The size of the starter bolts on a Ford vehicle can be influenced by several factors, including:



  • Engine size: Larger engines may require longer starter bolts to accommodate the increased size and weight of the starter motor.

  • Starter location: The location of the starter on the engine can also affect the bolt size, as some positions may require longer or shorter bolts to ensure a secure fit.

  • Vehicle model and year: Ford has used different starter bolt sizes over the years, so the specific size may vary depending on the model and year of the vehicle.


It's important to always refer to the manufacturer's specifications or consult a repair manual to ensure you have the correct starter bolt size for your Ford vehicle.


Replacing Ford Starter Bolts


When replacing Ford starter bolts, it's crucial to use the correct size and grade of hardware. Using the wrong bolts can lead to a loose or insecure starter, which can cause a range of issues, including:



  • Starter failure

  • Engine damage

  • Electrical problems

  • Safety hazards


Always ensure that the replacement bolts are the same size, thread pitch, and length as the original equipment. Additionally, be sure to use the correct grade of bolt (typically Grade 5 or Grade 8) to ensure the starter is securely mounted and can withstand the vibrations and stresses of normal operation.

What size bolts are on a starter solenoid?


Re: Starter solenoid bolt size? Hi Tom, The electrical hookup bolts will use a standard 1/2" wrench and the bolts that hold the solenoid to the housing will use either a 3/8" wrench OR are long bolts with a standard straight blade screw driver slotted head.



What size are the starter bolts on a 6.4 Powerstroke?


The M8x1. 25 seems to be the correct thread size. 40MM length should work. I just picked up a normal bolt and washer locally at Fastenal.



What size bolt is a Ford F150?


2009-2014 Ford F-150 Lug Pattern: 6×5.31″ (6×135mm) 2015-2020 Ford F-150 Lug Pattern: 6×5.31″ (6×135mm) 2021-Present Ford F-150 Lug Pattern: 6×5.31″ (6×135mm)



What size is the starter bolt on a Ford f150?


Starter Bolt Stud - M6 X 14M10 65 1.5L (AT) | FordUS.



What size is the starter bolt on a Ford Excursion?


starter bolt motor stud - m10 x 42 m8 16.



What size are the bolts on a starter?


14, 15, & 16MM are all common sizes for that. And the starter bolts are usually 2 sizes also.. being 14 and 15MM..



What size socket is a Ford lug nut?


To remove and install Ford F150 lug nuts, you'll need a 21mm socket. A standard 6-point 21mm socket is preferred over 12-point sockets since they grip better and are less likely to round off lug nuts. Make sure to use a torque socket.



How do I know what size bolt I need?


To determine bolt diameter, measure the distance from the outer thread on one side to the outer thread on the other side. This is called major diameter. Alternatively, you can measure the bolt shank diameter. The shank is known as the body or sometimes, the shoulder.



What size is the starter bolt on a 6.7 Powerstroke?


6.7 LITER, M8x35mm.



What size is the starter bolt on a 2006 6.0 Powerstroke?


W708960S437M OE Starter Mount Bolt, M12 X 42MM, Automatic Transmission, 2003.5-2010 Ford 6.0L 6.4L Powerstroke.


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.