Customer concentration
A small number of accounts account for a large share of revenue, so lost volume or worse terms would hit sales quickly.
- Scope
- Two customers were about 40% of 2025 net sales
- Materiality
- high
Dorman Products, Inc.
Dorman Products designs, engineers, and markets replacement and upgrade parts for the motor vehicle aftermarket, spanning passenger cars, light-, medium-, and heavy-duty trucks, plus specialty vehicles such as UTVs and ATVs. Its portfolio includes roughly 144,000 distinct parts sold under Dorman brands, private labels, or in bulk, with most sales in North America and a growing mix of proprietary, new-to-the-aftermarket products.
15,6 %
42,1 %
9,6 %
+6,0 %
3.09
1.14
| % | |
|---|---|
| Light-duty aftermarket parts | 55% Replacement parts for passenger cars and light trucks, including regulators, sensors, filters, and cooling components. |
| Heavy-duty aftermarket parts | 20% Parts for medium- and heavy-duty trucks sold through commercial aftermarket channels and distributors. |
| Specialty vehicle parts | 10% Products for UTVs, ATVs, and other specialty vehicles sold through specialty and powersports channels. |
| Complex electronics and engineered parts | 10% In-house designed modules, sensors, and other higher-complexity parts with stronger differentiation. |
| Private-label and bulk supply | 5% Products sold under customer brands or in bulk to retail and distribution partners. |
Dorman sells primarily to aftermarket retailers, their online platforms, dealers, and wholesale distributors, rather...
- Aftermarket retailers and online platformsprimary
Buy broad assortments of replacement parts for resale to DIY and professional repair customers.
- Wholesale distributors and warehouse distributorsprimary
Purchase inventory to supply repair shops, installers, and regional aftermarket channels.
- Dealers and specialty marketssecondary
Source selected parts for vehicle-specific replacement demand and niche applications.
- Private-label and bulk customerssecondary
Buy products under their own brands or in bulk to support their own merchandising and pricing strategies.
- Large concentrated accountsprimary
A small number of customers account for a disproportionate share of revenue and influence pricing and terms.
Dorman generates most of its net sales in North America, primarily the United States, and also sells into Canada and...
- •United States is the core revenue market and main demand driver
- •Canada and Mexico are the main non-U.S. sales markets
- •Smaller sales exposure to Europe, the Middle East, and Australia
- •North American logistics and tariffs affect margins and service levels
- •Geographic mix matters because aftermarket demand is regionally concentrated
Dorman’s strategy centers on new product development, expanding its catalog, and strengthening its position in...
01
New product developmentshort-term
Fresh catalog additions drive customer wins, shelf space, and revenue growth above market rates.
02
Complex electronics leadershipmedium-term
Higher-complexity parts can improve differentiation and support stronger customer relationships.
03
Margin improvement and productivitymedium-term
Automation, supplier diversification, and mix improvement help protect profitability in a competitive market.
Dorman is exposed to cyclical aftermarket demand, customer concentration, and intense competition from other...
Aftermarket demand cyclicality
Demand depends on vehicle age, miles driven, and replacement frequency, which can weaken if vehicles last longer or are better warrantied.
- Scope
- Passenger, truck, and specialty vehicle aftermarket
- Materiality
- high
Supply chain and supplier performance
The company relies on third-party suppliers and core parts; delays or shortages can disrupt sales and raise costs.
- Scope
- Raw materials, finished goods, and remanufactured core parts
- Materiality
- high
Competition and pricing pressure
Competitors, OEMs, and private-label partners can undercut pricing or replicate product launches.
- Scope
- Broad aftermarket product lines
- Materiality
- high
Goodwill impairment in heavy-duty
Management already recorded a goodwill impairment in the Heavy Duty reporting unit due to weaker cash flow expectations.
- Scope
- Heavy Duty reporting unit
- Materiality
- high
Tariffs and trade disruption
Tariffs can raise input costs and create timing mismatches before pricing actions fully flow through.
- Scope
- Imported components and cross-border sourcing
- Materiality
- medium
Customer credits, rebates, and returns
Can affect net sales and current liabilities
Warranty and overstock return reserves
Can affect gross margin and operating results
Goodwill impairment
Non-cash charge of $56.7 million in 2025
Seasonality and weather-driven demand
Quarter-to-quarter revenue volatility
Customer acquisition costs
Net sales and margin presentation
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: 28/04/2026