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The Complete Auto Parts Inventory Management Guide for Modern Auto Repair Shops

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May 29, 2024

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Read time: 3 min

Order too many parts and your money and space are tied up in inventory. Order too few and when you run out of what you need, projects come to a standstill while  you wait for a delivery. That’s why you need a solid auto parts inventory management system. 

Auto parts inventory management is a process that helps you decide when to buy, store, use, or sell auto parts, so you can be sure that items you need are in stock when you need them. This requires tracking parts you have on hand and streamlining the process of reordering or replacing them at the right time. 

An inventory system will help your shop run more efficiently and free up a ton of time. Implement an effective system to tighten up your workflow and take your business to a higher level. 

Benefits of auto parts inventory management

Let’s explore what inventory management software can do to ensure you have a steady supply of parts so your shop runs smoothly. Here are a few immediate and long-term benefits. 

1. Increased customer satisfaction

Customers are frustrated when their work can’t be done because  a part is delayed or out of stock. If your inventory is well-managed, you’ll be able to give quotes and timelines with certainty and give your customers a great experience. Predictability keeps customers happy and loyal to your business. 

2. Reduced costs

Efficiently managing inventory will reduce costs in a number of ways: 

  • Prevents stockouts—not having enough of a part in your inventory to meet your needs.
  • Avoid overstocking—forecasting demand keeps overstock to a minimum.
  • Carrying costs—the expenses that come with storing additional inventory and stock. When your inventory levels are well-managed, you can save on the costs that come with overstocking.

Overall, your auto parts inventory management reduces costs by finding the sweet spot between too much and not enough inventory. This will give you greater flexibility and access to more financial resources. 

3. Improved ordering process

The ordering process doesn’t need to be a guessing game. Inventory management helps you track levels and lead times so your business can determine accurately what parts you will need and when. Organizing this process keeps errors to a minimum and helps you maintain control over ongoing expenses.

4. More efficient scheduling

Predictable scheduling will always translate to happier customers. Tracking your inventory needs in real-time will streamline production schedules and eliminate mid-project downtime. 

When inventory and stock are well-managed, everything runs more smoothly. Inventory management helps you look at the history as well as your current demand for parts and forecast your ideal inventory level. 

5. Better resource allocation

The less capital you have tied up in inventory, the more flexibility you have to invest in other parts of your business. Instead of  unnecessarily using up storage or losing money because of slower productivity, you’ll be able to put those resources to good use, finding better use of the space or making other upgrades around your shop. 

6. Optimized time management

Methodically stocked and organized parts help you and your staff to stay on task. This creates a better work experience for your entire company. 

To make sure things keep running efficiently, you might organize your inventory based on frequency of use, analyze your ordering practices, and identify a backup supplier for important parts. This pays off dividends in the long term, helping your business run more efficiently and make more money. 

Simple ways to improve your auto parts inventory management

Managing inventory doesn’t have to be stressful. There are steps you can take now to improve how you operate in the long term.

Store your parts efficiently

The first step to taking control of your inventory is being intentional about where and how your parts are stored. Have designated places for parts you need frequently. Clearly label packages of small items to mitigate confusion, lost parts, and reduce unexpected shortages. Thoughtful organization is the backbone of a well-managed inventory. 

Keep parts stored when not in use

The simplest rules are often the most helpful: if a part isn’t being used, put it away. This habit will prevent misplaced parts and reduce unnecessary clutter. This requires buy-in and consistent effort from employees to maintain this standard.

Perform regular inventory checks

Establishing a cadence for checking inventory will make it easier to spot small issues before they become big problems. If you can’t check everything, identify which parts have the quickest turnover and which parts are the highest value, and prioritize checking that inventory first. Continue to examine and adjust your inventory-check process throughout the year.

Hire and train reliable parts personnel

Human error is unfortunately one of the biggest causes of discrepancies in inventory management. This can happen by cutting corners, like assuming the received shipment matches the amount ordered. Hire and train capable, diligent employees to manage your inventory and prevent errors at key moments. 

Use an auto shop management software

Auto shop management software streamlines workflows, creates a central point of communication, and is the best way to get your inventory under control. 

  • Inventory tracking: Track inventory levels in real-time so you have an accurate count of the parts and supplies you have in stock.
  • Workflow management: Schedule appointments for vehicle repairs or maintenance, see what appointments are coming up, when they’re scheduled, and what you’ll need to get the job done.
  • Real-time data reporting: See a snapshot or do a deep-dive into your shop’s operational data, like inventory, sales, and customer information.
  • Centralized communication: Without solid communication, costly mistakes are made. Auto shop management software can modernize how you interact with customers and keep your whole team in the loop.

Manage your inventory efficiently with Tekmetric

With the right auto shop management software, the inventory management process can become an asset to your business instead of a bottleneck or drain on your time and money.. 

Using Tekmetric’s Inventory, you can track the valuation of your stock either while you’re in the shop or remotely. It gives you the price of each part in your inventory and makes shopping for new items easy.

Tekmetric integrates with your preferred vendors using ordering solutions, like Worldpac, Nexpart, and Advancepro, making ordering simpler and streamlining your workflow..

👉 Ready to grow your automotive business? [Book a personalized Tekmetric Demo Here]

FAQ

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Breast cancer is the most diagnosed cancer among women in the U.S. after skin cancer. In fact, there are currently more than four million women with a history of breast cancer in the U.S. Most, if not all of us know someone who has been greatly impacted by this disease.

Founded in 2011, Brakes for Breasts unites independent auto repair shops to support people affected by breast cancer and donate to ongoing research for a cure. You may have heard the saying, “prevention is better than cure.” Brakes for Breasts takes that to the next level through the belief that “prevention is the cure.” The organization offers participating shops a chance to raise money for the Cleveland Clinic Breast Cancer Vaccine Fund, supporting the creation of a vaccine that can prevent TNBC (triple negative breast cancer). 

Today, Brakes for Breasts has expanded to work with hundreds of shops nation-wide, raising more than $2.1 million. Its founders, Leigh Ann Best and Laura Frank, are both powerhouses in the auto repair industry who established Brakes for Breasts to raise money for breast cancer research and provide a bigger voice to women in the auto repair industry. 

In 2024, Tekmetric donated more than $16,000 to Brakes for Breasts. This year, our goal is to donate even more – and we need your help! There are multiple ways to participate:

  • Sign up with Tekmetric. During the month of October, Tekmetric will donate $50 to the Brakes for Breasts campaign for every new shop that signs up for Tekmetric. 
  • Share the campaign with your customers. If you are a TechNet shop, make sure your customers know that when they come to you for a qualifying brake service between September 1 and October 31, you are offering a rebate on qualifying brake pads that they can choose to donate to the fund.   
  • Donate with Tekmetric's fundraising link. If you want to go straight to Brakes for Breasts without any brakes, use this link to donate any dollar amount to Brakes for Breast. You can choose between a one-time donation or a monthly contribution.  
  • Fundraise at your shop by joining the Tekmetric team. You can register your shop to fundraise for this cause in your community through Tekmetric’s campaign at this link.  The shop that raises the most money during the campaign will win a trip to join Tekmetric at the check presentation ceremony in Cleveland in April 2026.
  • Participate directly. Participating independent repair shops can work directly with Brakes for Breasts by offering customers free brake pads on brake jobs in the month of October, then donating 10% of the labor from that brake service to the fund. 

All proceeds will go towards The Cleveland Clinic Breast Cancer Vaccine Research Fund. The end goal is to create a vaccine that can create a world free of breast cancer.

Brakes for Breasts is a tremendous opportunity for your shop to partner with your local community to benefit people affected by breast cancer. Our customer Austin Blanton, owner of Import Auto Shop, experienced this phenomenon first-hand when his shop participated in previous years: “When you’re worried about money and busy dealing with operations stuff, you can lose sight of paying it forward. For example, one of the things we did last year was get involved with Brakes for Breasts.” 

As we aim to focus on our customers, we are also happy to be part of initiatives that will transform lives for generations to come. For our customers who have been impacted by this disease, the month of October honors what you have overcome to be here. By promoting further research and support of your journey, we hope to support the creation of better cancer care for all who are impacted by this disease. Let’s hit the brakes on breast cancer and work towards a cure together!

Tekmetric Partners with Brakes for Breasts

October 1, 2025

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There are many reasons you might want to sell your auto repair shop.

You might be ready for another venture; you might be trying to fund your retirement; or you might just be curious about the value of your business if you do decide to sell. 

Whether you're actively in the market to sell your shop, or you just want to know how to value an automotive repair shop just in case, you’ve come to the right place.

How to value your auto repair shop

The industry standard for establishing a sale price for an automotive repair business is to use total owner benefit (TOB) multiplied by four (or TOBx4).

So, if you took home an average of $50,000 a year for the past three years, the price of your business will likely be valued around $200,000. Keep in mind this TOB value does not include property value.

For those who are reading this with the hopes of selling in the near future, that valuation method might seem low to you. And it is.

The good news is that you can go above and beyond the industry standard, and sell your shop for a higher value, if you stay on top of your numbers.

Not only will diligent reporting and good customer service increase your TOB, but you’ll also have more leverage when negotiating offers from buyers.

Here are three steps you can take to improve the valuation of your business and secure the money that you worked hard to earn. 

How to Sell an Auto Repair Business (3 Step Guide)

June 14, 2023

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Compare your shop's performance against real data from thousands of auto repair shops by state.

Benchmarking data is only useful when it changes what you do next.

If you've run your shop's numbers through the Tekmetric Shop Index and seen where you rank on ARO, car count, parts margin, and effective labor rate — good. You have a diagnosis. Now you need a plan.

This post walks through what each gap in your TSI results is actually signaling, which operational levers move the needle on each one, and how to build a focused 90-day improvement target that gives your team something concrete to work toward.

Start With the Biggest Gap

Your TSI results will show you four rankings. Resist the temptation to try to improve all four at once. The shops that make the most progress pick the metric with the largest gap and stay focused on it for a full quarter before adding another priority.

Trying to improve ARO, car count, parts margin, and effective labor rate simultaneously often means improving none of them because the operational changes required for each are different and can compete for your team's attention.

So step one is simple: look at your four rankings, find the biggest gap from the industry benchmark, and start there.

Gap: ARO Below Benchmark

If your average repair order is lagging, the most common root cause is inspection performance. Either digital vehicle inspections (DVIs) aren't being completed consistently, or they're being completed but not converted into approved work.

A few questions to answer before you act:

  • What percentage of repair orders have a completed DVI attached?
  • Of the DVIs sent to customers, what percentage include photos or video?
  • What's your close ratio on recommended work?

If DVI completion is below 90%, that's almost always the first lever. Tekmetric's Inspection Report shows completion rates by technician, making it straightforward to identify who needs coaching and who's already performing well.

"Now I can look at everybody at a glance. I can be in a different state, different city and know exactly what's going on in each location all the time."  — Leroy Ingram, Ooroo Auto Care, Tekmetric Customer

If DVI completion is strong but close ratio is low, the issue is likely in how inspections are being communicated to customers — photo and video quality, the language in findings, how quickly the estimate follows the inspection.

Shops on Tekmetric also have access to the Parts and Labor Matrix, which protects against underpricing. It can be a quiet ARO killer that doesn't show up until you look at margin data.

➡ See how your ARO compares →

Gap: Car Count Below Benchmark

A car count gap can mean two different things depending on how it breaks down: you're not bringing in enough new customers, or your existing customers aren't returning at the rate they should. Both problems need attention, but they need different solutions.

For new customers, the questions are acquisition-focused. Tekmetric's online booking gives customers a way to find you and schedule an appointment 24/7 — filling bays without your team picking up the phone. The more friction you remove from the booking process, the more new customers follow through.

For returning customers, the questions shift to communication. Are declined jobs being followed up? Are customers receiving service reminders? Tekmetric Marketing automates follow-ups on declined work and scheduled maintenance intervals — so your team stays in contact with your car count without adding manual effort.

"Seven hundred and two dollars in ad spend has generated 11 net-new customers and $12,802 in new customer revenue — an 18.3x return on ad spend before factoring in the lifetime value of those customers returning for future visits."  — Tanner Markham, Phase 2 Automotive, Tekmetric Customer

➡ See how your car count compares →

Gap: Parts Margin Below Benchmark


A parts margin gap is almost always a pricing problem — either your markup isn't keeping up with cost increases, you're applying flat markup where a tiered matrix would protect margin better, or your team is manually overriding prices inconsistently.

The fix starts with reviewing your Parts Matrix in Tekmetric. A well-structured matrix automatically applies the right markup based on part cost ranges, removing the inconsistency that comes from individual pricing decisions at the job level.

After updating the matrix, run your Parts Purchased Report to verify that retail pricing is reflecting the changes accurately. This is also a good time to cross-reference against recent vendor invoices — if costs have moved significantly in the last 6 months, your matrix thresholds may need updating.

➡ See how your parts margin compares →

Gap: Effective Labor Rate Below Benchmark


If your effective labor rate is trailing your posted rate, the most common culprits are inconsistent discounting, flat-rate job structures that cap labor recovery, or package pricing that doesn't account for actual labor time.

Start by pulling your Discount Detail Report to see where and how often discounts are being applied. If they're being applied inconsistently across your team, that's a coaching conversation — and Tekmetric's real-time reporting makes it easy to see which service writers are discounting most frequently.

The Labor Matrix is the structural fix. Similar to the parts matrix, a tiered labor matrix adjusts the billed hours or dollar amount based on configured ranges, protecting margin without changing what customers see on the invoice.

➡ See how your effective labor rate compares →

Building a 90-Day Improvement Target

Once you've identified your primary gap and the lever that addresses it, the last step is turning it into a measurable target for the next 90 days.

A good 90-day target is specific, tied to a leading indicator, and gives your team something to track week over week. For example:

  • ARO gap: "Increase DVI completion rate from 72% to 90% over 90 days, tracked weekly via Inspection Report"
  • Car count gap: "Launch declined-job follow-up automation within 30 days; track returning car count monthly for 90 days"
  • Parts margin gap: "Update Parts Matrix for all parts under $150 within two weeks; track parts margin weekly via Parts Purchased Report"
  • Labor rate gap: "Reduce average discount percentage by 15% over 90 days, tracked via Discount Detail Report"

These aren't arbitrary numbers — they're examples of the leading-indicator approach that lets you see progress before the outcome metric moves. Set yours based on where you're actually starting, not where you want to end.

Check Your Rankings Quarterly

Your TSI results are a snapshot. Set a reminder to re-run the benchmarking every quarter so you can see whether your numbers are moving relative to the industry — not just relative to your own history.

The shops that use benchmarking most effectively are the ones that treat it as a recurring discipline, not a one-time exercise.

"Thanks to Tekmetric, we've really enhanced our business and are looking to expand. We're the #1 shop, 6 years in a row in Upstate New York."  — Chris Chevalier, AAA Auto Repair, Tekmetric Customer

➡ Benchmark your shop now →

Takeaways

  • Start with your biggest gap — don't try to move all four metrics at once.
  • ARO gaps usually trace back to DVI completion rates or close ratios.
  • Car count gaps split into acquisition and retention problems — each needs a different fix.
  • Parts margin gaps are almost always a pricing matrix issue.
  • Effective labor rate gaps often come down to discounting habits and job structure.
  • A 90-day leading-indicator target turns benchmarking data into team direction.

➡ Benchmark your shop now →