NAICS 441330 Quarterly Industry Report
Automotive Parts and Accessories Retailers
Comprehensive industry research for valuation professionals, business owners, buyers, and lenders
NAICS Code: 441330Sector: 44Updated: Q1 2026
About This Report
This Fair Market Value industry report for NAICS 441330 draws on verified data from the U.S. Census Bureau[4], Bureau of Labor Statistics[6], and Small Business Administration[5] to profile the automotive parts and accessories retail sector. Our research team analyzes aftermarket demand trends, vehicle fleet age dynamics, and competitive channel shifts to provide accurate market intelligence for business valuation purposes. The report covers SBA size standards, related NAICS classifications, and the evolving retail landscape for automotive aftermarket products. Fair Market Value updates this NAICS 441330 profile quarterly to reflect new Census releases and industry developments.
Industry Definition & Overview
Automotive Parts and Accessories Retailers (NAICS 441330) encompasses establishments primarily engaged in retailing new, used, and rebuilt automotive parts and accessories, with or without installing automotive accessories or performing vehicle repairs. Major retail chains (AutoZone, O'Reilly, Advance Auto Parts) dominate the new parts segment through thousands of corporate and franchise-operated stores, while independent retailers compete through specialized product knowledge, commercial account relationships, and niche market focus in areas like performance parts, classic car restoration, and off-road accessories.
Two distinct customer segments drive demand: do-it-yourself (DIY) consumers who purchase parts for self-installation, and do-it-for-me (DIFM) professional installers who buy from commercial accounts at parts stores. Commercial DIFM sales have grown faster than DIY in recent years as vehicles become more technologically complex and repair-averse consumers prefer professional service. According to the U.S. Census Bureau[4], roughly 37,927 establishments operate in this classification. The aging U.S. vehicle fleet, with an average age exceeding 12 years, supports sustained aftermarket demand as older vehicles require more frequent maintenance and replacement parts.
The SBA[5] sets the size standard at $28.5 million in average annual receipts for this industry. Same-day and next-day delivery capabilities have become competitive requirements, as professional installers need rapid parts availability to complete repairs without keeping customers waiting. Online aftermarket parts retailers have captured market share in commodity parts categories, pushing brick-and-mortar stores to emphasize commercial delivery speed, technical advice, and hard-to-find specialty parts as competitive advantages.
What's Included in This Industry
- Retail sale of new automotive replacement parts
- Retail sale of used and rebuilt automotive parts
- Retail sale of automotive accessories and trim products
- Retail sale of automotive batteries and electrical components
- Retail sale of automotive paint and body repair supplies
- Retail sale of performance and racing parts and accessories
- Retail sale of automotive chemicals, fluids, and lubricants
- Installation of automotive accessories at retail locations
- Retail sale of automotive tools and equipment to consumers
- Retail sale of truck and off-road vehicle accessories
NAICS Classification Hierarchy
| Level | Description | Code |
|---|---|---|
| Subsector | Motor Vehicle and Parts Dealers | 441 |
| Industry Group | Automotive Parts, Accessories, and Tire Retailers | 4413 |
| NAICS Industry | Automotive Parts and Accessories Retailers | 44133 |
| National Industry | Automotive Parts and Accessories Retailers | 441330 |
Related NAICS Codes
| Code | Description | Relationship |
|---|---|---|
| 441340 | Tire Dealers | Retails tires through specialty stores, sharing the automotive aftermarket retail space and often serving the same DIY and professional installer customers |
| 441110 | New Car Dealers | Operates parts departments within new car dealerships, competing with independent auto parts retailers for replacement parts and accessories sales |
| 441120 | Used Car Dealers | Retails used cars through independent dealers, with some establishments combining used car sales with parts and accessories retail operations |
| 441210 | Recreational Vehicle Dealers | Retails recreational vehicles with parts departments that carry RV-specific accessories and maintenance items alongside automotive products |
| 441222 | Boat Dealers | Retails boats and marine supplies, sharing the vehicle aftermarket parts retail model with marine accessories sold through boat dealer parts departments |
| 441227 | Motorcycle, ATV, and All Other Motor Vehicle Dealers | Retails motorcycles and ATVs with parts departments, sharing the vehicle aftermarket accessories model with powersport-specific parts retailing |
SBA Lending Summary
1,792
Total SBA Loans
$780.1M
Total Loan Volume
$435K
Average Loan Size
11 yrs
Average Loan Term
10.47%
Average Interest Rate
11,528
Jobs Supported
Source: SBA 7(a) Program Data, U.S. Small Business Administration — FY 2025[3]
Key Insight: The SBA[5] classifies NAICS 441330 under motor vehicle and parts dealers with a size standard of $28.5 million in average annual receipts. Businesses at or below this revenue threshold qualify as small for federal contracting preferences and SBA loan programs. Auto parts retailers can access SBA 7(a) loans[7] for inventory expansion, store renovations, and working capital needs. Firms purchasing retail or warehouse facilities may qualify for 504 loans[8]. Inventory breadth requirements and commercial delivery fleet investments represent the most common capital needs for aftermarket parts retailers.
Top SBA Lenders
| # | Lender | Loans | Volume | Avg Loan |
|---|---|---|---|---|
| 1 | Live Oak Banking Company | 88 | $68.4M | $777K |
| 2 | Northeast Bank | 376 | $64.5M | $172K |
| 3 | The Huntington National Bank | 96 | $48.4M | $504K |
| 4 | U.S. Bank, National Association | 80 | $44.9M | $562K |
| 5 | Climate First Bank | 24 | $42.9M | $1.8M |
Frequently Asked Questions
Common questions about this industry.
What types of businesses fall under NAICS 441330?
NAICS 441330 covers retailers of new, used, and rebuilt automotive parts and accessories. This includes national chain stores (AutoZone, O'Reilly), independent parts stores, specialty performance shops, and retailers that install accessories. Source: U.S. Census Bureau[4]
What is the SBA size standard for NAICS 441330?
The SBA sets the size standard at $28.5 million in average annual receipts for automotive parts and accessories retailers. Businesses at or below this revenue threshold qualify as small for federal contracting preferences and SBA financing. Source: SBA Size Standards[5]
How many auto parts retailers operate in the U.S.?
Census data shows roughly 37,927 establishments operating under NAICS 441330. The industry includes both large national chains with thousands of locations and small independent stores serving local markets with specialized product knowledge. Source: U.S. Census Bureau[4]
What NAICS codes are related to auto parts retailers?
Related retail codes include 441340 (tire dealers), 441110 (new car dealer parts departments), and 441227 (motorcycle parts). Wholesale codes include 423120 (new auto parts) and 423140 (used auto parts). Service codes include 811111 (general auto repair). Source: Census NAICS[4]
What is the difference between DIY and DIFM sales?
DIY (do-it-yourself) sales go to consumers who install parts themselves, while DIFM (do-it-for-me) commercial sales go to professional repair shops and installers. DIFM has grown faster as vehicle technology complexity has pushed more consumers toward professional repair rather than self-service.
Can auto parts retailers get SBA loans?
Yes, small businesses under NAICS 441330 can access SBA 7(a) loans for inventory and working capital, and 504 loans for store or warehouse purchases. Inventory breadth and commercial delivery fleet expansion are common financing needs. Source: SBA Loan Programs[9]
How does the aging vehicle fleet affect auto parts demand?
The average age of vehicles on U.S. roads exceeds 12 years, supporting sustained aftermarket demand as older vehicles require more frequent replacement parts and maintenance items. Fleet aging benefits auto parts retailers by expanding the addressable market for replacement components.
Where are auto parts retailers concentrated geographically?
Auto parts retailers operate in every state, with store density following population patterns and vehicle registration counts. Sun Belt states with large vehicle fleets (Texas, Florida, California) have the most stores. Rural areas support independent stores where national chains lack presence. Source: BLS QCEW[10]
Sources & References
Government datasets and editorial sources used in this report.
- [1]U.S. Bureau of Labor Statistics, Quarterly Census of Employment and Wages bls.gov
- [2]U.S. Census Bureau, Economic Census census.gov
- [3]U.S. Small Business Administration, SBA 7(a) Loan Program Data data.sba.gov
- [4]U.S. Census Bureau census.gov
- [5]SBA sba.gov
- [6]Bureau of Labor Statistics bls.gov
- [7]SBA 7(a) loans sba.gov
- [8]504 loans sba.gov
- [9]SBA Loan Programs sba.gov
- [10]BLS QCEW bls.gov
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