For an equipment dealer or repair shop, the parts department can be much more than a place to support service work.
Managed correctly, it can become an important source of recurring revenue.
Customers who purchase a tractor, mower, skid steer, or other piece of equipment may only make a major equipment purchase occasionally. Replacement parts are different. Filters need to be changed. Belts wear out. Bearings fail. Blades become worn. Hydraulic components develop leaks. Equipment that stays in service continues to create demand for parts.
The challenge is maintaining the inventory and service your customers expect without allowing parts costs to eat away at your margins.
For dealers, repair shops, fleet maintenance operations, and other businesses purchasing replacement parts, improving parts department profitability often comes down to better sourcing, smarter pricing, and understanding which products deserve space on your shelves.
Know Your True Cost on Every Part
Improving margin starts with knowing what a part actually costs your business.
The purchase price is only one piece of the equation.
Depending on how your business operates, the true cost of stocking a part may also include:
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Incoming shipping
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Freight charges
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Storage
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Employee handling time
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Inventory software and management
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Returns
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Obsolete inventory
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Damaged products
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Emergency shipping when you're out of stock
A part that appears inexpensive on an invoice can become much less profitable if you're constantly ordering it individually and paying additional shipping charges.
This is why purchasing strategy matters.
Consolidating orders and sourcing multiple equipment categories through a wholesale supplier can help reduce the hidden costs associated with constantly placing small orders through multiple vendors.
AIC Replacement Parts supplies wholesale aftermarket parts across Agricultural, Construction, Lawn & Garden, Trailer, and Industrial equipment, allowing businesses that service multiple equipment types to consolidate more of their purchasing through one source.
Don't Apply the Same Margin to Every Part
One common mistake is applying the exact same markup percentage to every product.
Not every replacement part should be treated the same way.
A high-dollar component may produce an acceptable gross profit with a lower percentage margin, while a low-cost maintenance item may require a higher percentage to justify stocking and handling it.
Demand also matters.
A part customers can easily compare online may require more competitive pricing. A specialized replacement component that your shop has immediately available provides additional value because the customer isn't waiting days for it to arrive.
Your pricing strategy should consider:
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Part cost
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Availability
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Competition
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Demand
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Inventory turnover
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Shipping costs
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Customer urgency
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Labor associated with sourcing the part
The goal isn't simply to charge more.
It's to understand where your business actually makes money.
Compare Aftermarket and OEM Sourcing Options
OEM parts will always have a place in the equipment industry, but they don't have to be the only option available to your customers.
Quality aftermarket replacement parts can provide dealers and repair shops with another sourcing option, particularly when OEM pricing or availability makes a repair difficult to complete competitively.
AIC's existing guide to OEM vs. aftermarket replacement parts covers some of the differences in greater detail.
From a parts department perspective, having multiple sourcing options gives your business flexibility.
If an aftermarket replacement can properly meet the requirements of the application at a better acquisition cost, your business may be able to offer the customer a competitive price while maintaining a healthier margin.
That can be especially valuable for older equipment.
Owners may be reluctant to spend premium OEM prices repairing a tractor, mower, or machine that's already 15, 20, or 30 years old.
Offering another option can sometimes make the difference between winning the repair and having the customer walk away.
Pay Attention to Inventory Turnover
Margin isn't the only number that matters.
Consider two products.
Part A produces a 40% margin but sells once every two years.
Part B produces a 25% margin but sells 30 times per year.
Which deserves more attention?
Inventory turnover helps tell the rest of the story.
Fast-moving parts can generate repeated profit from the same amount of shelf space. Slow-moving products may tie up cash for months or years.
Review your sales history and identify which products consistently move.
Common examples may include:
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Filters
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Belts
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Blades
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Bearings
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Pulleys
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Spindles
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Seal kits
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Maintenance components
Your exact list will depend on the equipment your customers operate.
A construction-focused shop shouldn't have the same inventory strategy as a lawn equipment dealer.
Let your actual sales data determine where you invest.
Reduce Emergency Orders
Emergency parts orders are sometimes unavoidable.
They shouldn't be your normal purchasing strategy.
Ordering one part every time a technician needs something can create unnecessary administrative work and additional shipping costs.
Look for patterns.
If you've ordered the same belt six times in three months, ask whether it makes sense to order several on the next purchase.
If the same filter fits several popular machines your shop services, it may deserve a permanent location in inventory.
AIC has previously covered building a smart parts inventory for your shop, and the same principles can improve profitability as well as availability.
The objective isn't to fill your warehouse.
It's to reduce unnecessary transactions on products you already know you'll use.
Sell the Complete Repair, Not Just One Component
Another opportunity is making sure customers have everything needed to complete a repair.
If a customer is replacing a spindle, are there related bearings, blades, pulleys, or belts that should also be inspected?
If they're performing routine engine maintenance, do they need multiple filters?
If they're rebuilding a hydraulic component, are there related seals or wear items involved?
This shouldn't become an excuse to sell customers parts they don't need.
Instead, think of it as helping them avoid discovering halfway through a repair that another worn component should have been addressed at the same time.
For a repair shop, this can also reduce situations where a technician starts a job and then has to stop because one additional component wasn't ordered.
Make It Easy for Employees to Find the Right Part
Time spent searching for a part costs money too.
Your employees shouldn't have to spend 30 minutes searching several suppliers every time a customer walks to the counter with an OEM number.
Create a consistent process for part identification.
Start with:
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Equipment manufacturer
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Equipment model
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Serial number when applicable
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Original OEM part number
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Part description
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Known superseded numbers
OEM part numbers are particularly valuable because they can help identify compatible aftermarket replacements.
AIC's guide on finding wholesale replacement parts using an OEM part number provides additional information for shops sourcing replacements.
Over time, keep records of successful cross-references your employees use frequently.
That internal knowledge can dramatically speed up future parts searches.
Don't Ignore Older Equipment
Older equipment can be an excellent opportunity for an aftermarket parts department.
There are still tractors, mowers, loaders, skid steers, and other machines working every day long after newer models have replaced them in manufacturer catalogs.
Owners of these machines often aren't looking to replace the entire piece of equipment.
They want to keep it working.
When OEM components become expensive, difficult to locate, or discontinued, aftermarket sourcing becomes particularly valuable.
A dealer or repair shop that becomes known for helping customers keep older equipment running can build a loyal customer base.
And those customers rarely need just one part over the life of the machine.
Use Your Supplier as More Than a Catalog
A good wholesale relationship should make your purchasing process easier.
Price matters, but so do:
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Product availability
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Broad application coverage
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Reliable order fulfillment
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Part-number cross-referencing
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Customer support
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Warranty coverage
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The ability to consolidate purchases
The fewer obstacles your employees face when sourcing parts, the easier it becomes to quote repairs and serve customers efficiently.
A More Profitable Parts Department Starts With Better Purchasing
You don't have to completely overhaul your parts department to improve profitability.
Start with your purchasing data.
Identify the parts you sell most frequently. Review what you're paying for them. Look at how often you're placing emergency orders. Compare OEM and aftermarket sourcing options. Pay attention to products sitting on shelves without moving.
Small improvements across hundreds or thousands of transactions can add up quickly.
AIC Replacement Parts works with equipment dealers, repair shops, fleets, golf courses, municipalities, and other businesses that purchase replacement parts.
With wholesale aftermarket parts covering Agriculture, Construction, Lawn & Garden, Trailer, and Industrial equipment, AIC helps businesses find another sourcing option while protecting the margins that keep their parts departments profitable.
Because selling more parts is useful.
Making more from the parts you're already selling is even better.