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CarParts.com sells parts for vehicle repairs, maintenance and upgrades, primarily to individual consumers in the United States. Customers buy through its CarParts.com website, mobile app, Amazon and eBay; repair professionals and wholesale distributors also buy through its wholesale platform and direct sales relationships. Its product database matches parts to vehicle makes, models and years to help customers find parts that fit.
Most orders ship from inventory held in its distribution centers. Suppliers ship other orders directly to customers; its Auto-Vend system checks its own stock first, then selects a supplier when needed. This means the business depends on both its own inventory and suppliers’ ability to keep parts available and deliver them.
Amazon and eBay together supply a substantial share of sales, making continued marketplace access important. CarParts.com also buys most of its products from manufacturers and distributors in Taiwan and China, without long-term contracts securing supply, so sourcing costs and import conditions matter. Some replacement parts that copy patented original-equipment designs require royalty-bearing licenses; losing those licenses could restrict what it can sell.
The risk section is the longest, dullest part of the filing. This keeps only what can really hurt you: where it hits, how hard, when it plays out.
Every company claims an edge. Each one is checked against hard numbers like margins and returns: which hold, and which line gives way first.
CarParts.com’s results also depend on demand for replacement body parts and competition from distributors such as LKQ, which is missing from this list.
AutoZone competes with CarParts.com for customers buying mechanical replacement parts and accessories, offering stores and online ordering against CarParts.com’s digital channels. Watch AutoZone’s same-day or next-day delivery offerings in most U.S. markets: delivery speed is one of the factors CarParts.com competes on.
O’Reilly and CarParts.com compete for parts and accessory spending by both people repairing their own vehicles and professional repair businesses. Watch O’Reilly’s sales to each group—each supplied about half its sales in 2025—for a view of demand from the two customer groups CarParts.com also serves.
Advance Auto Parts competes with CarParts.com to sell replacement parts and accessories to DIY motorists and professional installers. Its range of products at different price and quality levels is worth watching because price and product selection are among CarParts.com’s competitive factors.
Amazon both competes for online auto-parts buyers and lets CarParts.com sell to shoppers on its marketplace, though auto parts are only a small part of Amazon’s business. Watch Amazon’s retail pricing, selection and delivery offerings rather than its overall results to gauge the competitive pressure on CarParts.com.
O'Reilly Automotive, Inc. earningsORLY
O’Reilly Automotive’s sales will show whether DIY motorists and professional repair businesses are still buying parts, offering a read on the customer groups CarParts.com also serves.
Look at O’Reilly Automotive’s sales to DIY customers and professional repair businesses separately. Strength in both would point to steady parts demand across the two groups and a supportive backdrop for CarParts.com’s online retail and wholesale sales; weakness in either would suggest that matching customer group may be harder for CarParts.com to grow.
CarParts.com, Inc. earningsThis company
CarParts.com’s report will show whether sales, gross profit and operating costs are moving the business closer to breaking even after it cut marketing spend.
Read sales alongside gross margin—the share of sales left after product costs—and operating expenses. Sales recovering, margin holding and expenses taking a smaller share of sales would show that pricing and fulfillment costs are supporting the business and losses could narrow. Weaker sales, a falling margin or persistently heavy expenses would show that sales pressure and costs such as product mix and tariffs are still squeezing profitability.
Amazon.Com Inc earningsAMZN
Amazon’s auto-parts prices, selection and delivery will show how strongly it competes for online buyers while also serving as a marketplace where CarParts.com sells.
Focus on Amazon’s auto-parts prices, selection and delivery, not its overall results. Lower prices, broader choice or faster delivery would make Amazon more compelling to online buyers, make orders harder for CarParts.com to win and underscore its reliance on Amazon as a sales channel. If those advantages weaken, competitive pressure may ease, but the marketplace may also draw fewer buyers.
AutoZone, Inc. earningsAZO
AutoZone’s same-day and next-day delivery will show how much buyers value getting parts quickly, a competitive factor for CarParts.com’s online fulfillment.
Watch how AutoZone’s same-day and next-day delivery performs and whether it draws buyers. Strong demand would show that fast arrival helps AutoZone win customers who need parts quickly, leaving CarParts.com to balance delivery speed against fulfillment costs; weak demand would suggest speed matters less for these purchases.
