Trends · data through September 2026

Auto Parts Stores in the United States

Iceflower tracks 26,895 stores from 4,354 auto parts store chains in the United States. Auto Fit grew fastest over the last year, ahead of XL Parts and Parts Authority.

Rankings come from real card and bank transactions across a panel of 130M+ US and EU consumers. We publish relative growth and rankings, never revenue figures. About the data

Tracked chains
4,354
Tracked stores
26,895
Consumer panel
130M+

State by state

The leading auto parts store chains in every state

Tracked auto parts store chains ranked by consumer spend in each state, Q4 2025–Q3 2026. AutoZone leads in 24 states and DC, O'Reilly Auto Parts in 25 states, and Advance Auto Parts in 1 state. Against their share in the US as a whole, O'Reilly Auto Parts stands out in 18 states, NAPA Auto Parts in 13 states, and Advance Auto Parts in 12 states.

By tracked consumer spend, Q4 2025–Q3 2026

A state shows a ranking once it has at least 2 tracked auto parts store chains and 10 tracked stores. Relative to the US compares a chain's share of the state's spend with its share in the US as a whole. It ranks the 7 biggest chains in the US and the chains that lead a state by spend, wherever a chain has at least 5% of the state's spend and 3 stores there. Colors match the store map; other tracked chains are gray.

Growth ranking

Fastest-growing tracked auto parts store chains

Ranked by year-over-year growth of share of tracked local spend. Arrows show movement in the rankings since last year. Each dot in the chart is one tracked chain: bigger market position to the right, faster growth higher up, more tracked stores in a bigger dot. Colors match the store map below. Auto Fit and XL Parts sit in the high-growth half.

# Chain YoY growth
RankChainRank movementYoY growth
1 Auto Fit ▲5 +19.9%
2 XL Parts ▲4 +18.7%
3 Parts Authority ▲4 +18.6%
4 4 Wheel Parts-Off Road Truck & Jeep 4x4 Parts ▲13 +18.4%
5 Modica Bros Tire & Wheel Center ▲3 +18.0%
6 Trick Trucks ▲7 +16.8%
7 U Pull & Pay ▲6 +16.0%
8 Car Parts Warehouse ▲7 +12.6%
9 Pick-A-Part Jalopy Jungle ▲3 +11.0%
10 FleetPride ▲1 +9.7%
11 Discount Tire Centers ▲2 +9.3%
12 Total Truck Parts ▲3 +7.3%
13 Stone Truck Parts ▼1 +6.5%
14 Bumper to Bumper ▲4 +5.2%
15 Pull-A-Part ▲2 +4.3%
  • AutoZone
  • O'Reilly Auto Parts
  • Advance Auto Parts
  • NAPA Auto Parts
  • FleetPride
  • Carquest Auto Parts
  • Summit Racing Equipment
  • Other tracked chains

Store footprint

Store map

25,000 of 26,895 tracked store locations in the United States. The 7 largest tracked chains are highlighted. The top 5 chains by store count run 20,284 of the 26,895 stores (75%); 3,994 of the 4,354 tracked chains have a single store here.

  • AutoZone (6,612)
  • O'Reilly Auto Parts (6,354)
  • Advance Auto Parts (4,370)
  • NAPA Auto Parts (2,474)
  • FleetPride (205)
  • Carquest Auto Parts (474)
  • Summit Racing Equipment (5)
  • Other tracked chains

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