Executive Summary / Key Takeaways

• Digital-First Transformation: CarParts.com is undergoing a profound digital transformation, leveraging its proprietary 20-year-old fitment catalog, a re-platformed cloud-based website, and a rapidly growing mobile app (over 1 million users) to enhance customer experience, drive higher-margin sales, and reduce reliance on costly paid marketing channels.
• Strategic Cost Optimization & Margin Focus: Despite recent net losses, management is aggressively realigning its cost structure, including the closure of its Virginia distribution facility and corporate headcount streamlining, projected to yield $10 million in annualized cost savings. This, coupled with a focus on higher-value product mix (OE Premium, European brands) and high-margin fee income, aims to significantly improve profitability.
• Competitive Differentiation through Technology: PRTS differentiates itself with a vertically integrated supply chain and advanced e-commerce technology, including machine learning-based search algorithms and rapid feature deployment. This technological edge is crucial in a fragmented market, allowing for superior online customer engagement compared to traditional rivals.
• Outlook for Sustainable Profitability: While 2025 quantitative guidance is withheld due to an ongoing strategic alternatives review, management projects sustainable and significantly positive Adjusted EBITDA in 2025, targeting a 6% to 8% Adjusted EBITDA margin and enhanced free cash flow generation in the medium term.
• Navigating Macro Headwinds: The company faces pressures from tariffs (55-75% on Chinese auto parts), inflation, increased competition in performance marketing, and non-compliant products in marketplaces. Its strategy emphasizes direct-to-consumer channels, domestic sourcing exploration, and disciplined pricing to mitigate these challenges.

The Digital Engine of Aftermarket Auto Parts

CarParts.com, Inc. (NASDAQ:PRTS) stands at a pivotal juncture, transforming from a traditional online auto parts retailer into a digitally optimized, customer-centric powerhouse. Founded in 1995, the company has cultivated a deep understanding of the aftermarket auto parts industry, a sector currently valued at $400 billion and characterized by its fragmentation and the increasing age of the U.S. vehicle fleet, which now averages a record 12.8 years. This aging fleet inherently drives demand for replacement and maintenance parts, a fundamental tailwind for PRTS.

The company's core business revolves around providing a comprehensive selection of aftermarket auto parts and accessories, including replacement parts (Kool-Vue mirrors), hard parts (Evan Fischer catalytic converters), and performance items (JC Whitney). Its overarching strategy, refined in 2024, centers on three pillars: driving gross and net margins, accelerating efficiency for improved profitability, and achieving sustainable growth with strong long-term free cash flow. This strategic evolution is deeply rooted in its history, leveraging two decades of proprietary data and technological development to carve out a differentiated position in a highly competitive landscape.

Technological Moats and Innovation

At the heart of CarParts.com's competitive strategy lies its robust technological infrastructure. The company boasts a proprietary product catalog database, meticulously built and refined over 20 years, mapping approximately 1.58 million SKUs to specific vehicle makes, models, and years. This extensive, fitment-based catalog is a critical differentiator, enabling customers to quickly and accurately locate the parts they need, a significant advantage over competitors who may struggle with the sheer complexity of automotive parts.

Recent investments have further solidified this technological moat. The CarParts.com website has been fully re-platformed onto a best-in-class, cloud-based infrastructure. This upgrade is not merely cosmetic; it significantly shortens development cycles, allowing the company to roll out new features in weeks that previously took 6-9 months. For instance, recent launches include a partnership with SimpleTire for tire sales and installation, new shipping and product protection plans, and a VIN lookup tool that saw over 30,000 uses in just two weeks, all demonstrating higher-than-anticipated take rates. These innovations directly enhance the customer experience and contribute to higher conversion rates and average order values.

Furthermore, PRTS is actively integrating AI and machine learning. Investments in machine learning-based search algorithms, customized for fitment-based products, are strengthening its competitive edge by optimizing product discovery. The company plans to introduce AI-powered product recommendations and other marketing technology enhancements to make its marketing spend smarter and more efficient. The mobile app, a direct outcome of this digital focus, has surpassed 1 million users and now accounts for 12% of e-commerce revenues, driving stronger engagement from loyal customers and offering a pathway to reduce reliance on expensive paid search channels. This technological agility and data-driven approach are crucial in an industry where online sales are projected to reach over $27 billion by 2028.

Competitive Landscape and Strategic Positioning

The aftermarket auto parts industry is intensely competitive and fragmented, with low barriers to entry for online players. CarParts.com faces a diverse array of rivals, from national auto parts retailers like AutoZone , O'Reilly Auto Parts , and Advance Auto Parts , to large online marketplaces such as Amazon (AMZN) and eBay (EBAY), and even direct sales from manufacturers.

Compared to brick-and-mortar giants like AutoZone (AZO) and O'Reilly Auto Parts (ORLY), CarParts.com’s digital-first model offers superior efficiency in online browsing, faster order processing, and a more tailored user experience. While AZO and ORLY benefit from extensive physical footprints and established brand loyalty, PRTS's proprietary catalog and re-platformed website provide a distinct advantage in product discovery and convenience for online shoppers. This digital agility allows PRTS to compete effectively by targeting cost-conscious online consumers and those seeking specialized parts. However, PRTS generally trails these larger competitors in overall market presence, operational scale, and historical profitability, as their established networks and diversified revenue streams provide greater stability and cash flow generation.

Against Advance Auto Parts (AAP), PRTS's specialized online platforms offer greater efficiency in product discovery and delivery. While AAP focuses on omnichannel integration, PRTS's technological adaptability for online sales gives it an edge in web-based features. However, AAP's broader operations and physical presence provide a more stable financial base. Genuine Parts Company (GPC), with its strong wholesale focus, represents a different competitive challenge, excelling in scalability and cost leadership through extensive distribution networks. PRTS's smaller scale and supply chain dependencies can make it challenging to match GPC's pricing and operational efficiency.

A significant competitive pressure for PRTS comes from the "continued influx of noncompliant products imported from China," often sold without proper safety standards on marketplaces, distorting the competitive landscape. In response, PRTS is "doubling down on our own channel, CarParts.com, along with CapEx certified parts and house brands like JC Whitney," to control the customer experience, ensure compliance, and build long-term direct relationships, avoiding a "race to the bottom." The company is also the "second largest importer of aftermarket collision parts in the U.S. and the world's number 1 seller on eBay Motors," a testament to its scale in specific niches.

Financial Performance and Operational Realignment

CarParts.com's recent financial performance reflects a period of strategic investment and macroeconomic headwinds. For the second quarter of 2025, net sales increased 5.3% year-over-year to $151.9 million, primarily driven by demand through its flagship carparts.com channel, partially offset by softness in marketplaces. However, year-to-date Q2 2025 net sales decreased 3.6% to $299.3 million, largely due to inclement weather in Q1 2025.

Profitability metrics show the impact of these dynamics and ongoing investments. Gross profit for Q2 2025 increased 2.9% to $49.8 million, but gross margin decreased by 70 basis points to 32.8% (and 50 basis points to 32.4% YTD Q2 2025), primarily due to product mix and the impact of tariffs.

Operating expenses rose 8.9% in Q2 2025, influenced by increased marketing spend and one-time fees related to strategic alternatives exploration. This resulted in a GAAP net loss of $12.7 million for Q2 2025 and $28.0 million for YTD Q2 2025. Adjusted EBITDA for Q2 2025 was a loss of $3.1 million, down from a positive $0.1 million in Q2 2024, reflecting lower gross margin and higher marketing costs, alongside specific one-time expenses for workforce transition and distribution center costs.

Liquidity remains a key focus. Cash and cash equivalents stood at $19.8 million as of June 28, 2025, a decrease of $16.6 million from December 2024. The company proactively drew $10 million from its $75 million revolving credit facility (maturing June 2027) to provide additional financial flexibility, with another $10 million borrowed subsequent to quarter-end. Management believes existing cash, investments, cash flows from operations, and available debt financing will be sufficient for at least the next twelve months.

The company also strategically invested in inventory ahead of tariffs, adding approximately two extra weeks of stock-ship cost of goods sold, noting its low obsolescence risk and over 50% pre-freight margins.

A significant operational realignment is underway to optimize the cost structure. Due to the success and throughput of its new Las Vegas facility (opened June 2024, over 200,000 sq. ft., processing 25% of company volume with AI capabilities), PRTS will close its Virginia facility by the end of August 2025. This, combined with streamlined corporate headcount and software cuts, is expected to generate approximately $10 million in annualized cost savings.

Outlook, Guidance, and Risks

CarParts.com is currently exploring strategic alternatives to maximize shareholder value, including a potential sale or strategic investments. This process, nearing completion, has led management to withhold specific quantitative guidance for 2025. However, the company has articulated clear strategic priorities and financial targets for the medium term.

Management expects to achieve "sustainable and significantly positive adjusted EBITDA in 2025" and a "6% to 8% adjusted EBITDA margin and enhanced free cash flow generation in the medium term." This outlook is underpinned by several initiatives: expanding product offerings (especially higher-margin OE premium and European brands, which grew over 20% YoY in Q3 2024), monetizing its 100 million annual website visits with high-margin fee income (e.g., CarParts+ membership, now over 7,000 members), scaling its B2B offering (with contribution margins up to 3x higher than e-commerce), and growing the mobile app business. The company also anticipates significantly higher free cash flow in 2025 as it anniversaries 2024's headcount reductions and large CapEx projects.

Despite this optimistic outlook, several risks warrant investor attention. The ongoing strategic alternatives process carries no assurance of a favorable outcome. Tariffs remain a significant headwind, with 55-75% rates on approximately 20% of private label products sourced from China, impacting gross margins and potentially requiring price adjustments. The influx of non-compliant products in marketplaces continues to distort competition. The company's Nasdaq listing is under review due to its stock price falling below $1.00, with a compliance deadline of December 10, 2025. Dependence on third-party delivery services exposes it to rising freight costs and potential disruptions. Furthermore, the highly competitive nature of the industry, coupled with the reliance on search engines for customer acquisition and the vulnerability of its IT infrastructure to cyber-attacks, presents ongoing operational challenges.

Conclusion

CarParts.com is in the midst of a profound transformation, strategically leveraging its deep digital roots and proprietary technology to redefine its market position. By focusing on a vertically integrated supply chain, a re-platformed e-commerce experience, and a growing mobile app, the company is building a more resilient and profitable business model designed to capture a larger share of the expanding aftermarket auto parts market. While recent financial results reflect the costs of this transition and external pressures, management's aggressive cost optimization, shift towards higher-margin offerings, and commitment to technological differentiation lay a strong foundation for future growth.

The path to sustainable profitability, targeting a 6% to 8% Adjusted EBITDA margin in the medium term, is clear, even as the company navigates macroeconomic headwinds and an ongoing strategic review. Investors should recognize CarParts.com's unique blend of digital agility and operational efficiency as a compelling differentiator in a fragmented industry. The successful execution of its strategic initiatives, particularly in expanding high-margin revenue streams and realizing cost savings, will be critical indicators of its ability to unlock long-term shareholder value and solidify its competitive standing.