Can I Write Off Car Parts For Business?

  • John A. Osborne
  • Mar 02, 2023
Small Business Insurance Arkansas

As a business owner who uses a car for business purposes, you may be wondering if you can write off the car parts you purchase for your vehicle as a business expense. The answer is not a simple “yes” or “no” as it depends on several factors, including the type of car parts, how they are used, and whether they are necessary for your business operations. In this article, we will explore the topic of writing off car parts for business purposes in detail to help you better understand the tax implications and requirements.

What are Car Parts?

Car parts refer to the components that make up a vehicle, including mechanical and electrical parts. Some common examples of car parts include tires, brakes, batteries, spark plugs, alternators, and air filters. These parts play an important role in the proper functioning of a vehicle and require regular maintenance and replacement to ensure safety and optimal performance. As a business owner, you may need to purchase car parts to keep your vehicle in good condition and to perform your business operations, such as making deliveries, transporting equipment, or attending client meetings.

What are Business Expenses?

Before we dive into the specifics of writing off car parts for business purposes, it’s important to understand what constitutes a business expense. According to the IRS, a business expense is any ordinary and necessary expense incurred in the course of operating a business. This includes expenses for vehicles used in your business, such as gas, oil changes, repairs, and maintenance. However, not all vehicle expenses are considered business expenses, and you cannot deduct expenses that are personal or unrelated to your business.

Can You Write Off Car Parts for Business?

The short answer is yes, you can write off car parts for business purposes if they are necessary and ordinary expenses for your business operations. For example, if you need to replace the tires on your delivery van to continue making deliveries for your business, you can deduct the cost of the tires as a business expense. However, if you purchase expensive custom rims for your personal car that you occasionally use for business, you cannot deduct the cost of the rims as a business expense.

It’s important to keep detailed records of your car part purchases and how they are used for business purposes to support your deductions in case of an audit. You should also consult with a tax professional or use tax software to ensure that you are deducting the correct amount and following all IRS rules and regulations.


Writing off car parts for business purposes can be a valuable tax deduction for business owners who rely on their vehicles to perform their operations. However, it’s essential to understand the requirements and limitations of these deductions to avoid any potential IRS issues. By keeping accurate records and consulting with a tax professional, you can maximize your deductions and reduce your tax liability while staying compliant with the law.

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