336340

Analysis

NAICS 336340 is the 2022 national industry for motor vehicle brake system manufacturing, part of 33634 (Motor Vehicle Brake System Manufacturing). Census lists 14 example activities under it in the official index.

County Business Patterns counts 168 US establishments in this code in 2023, employing 20,474 people at an average annual payroll of $59,122 per employee (32nd percentile of national industries). 22% of the establishments have fewer than five employees, which points to larger operations.

Its index entries, the activities Census uses to assign businesses to this code, include air brake systems and parts, automotive, truck, and bus…, brake and brake parts, automotive, truck, and bus…, brake caliper assemblies, automotive, truck, and bus… and brake cylinders, master and wheel, automotive, truck, and…, among 14 in all.

Between 2018 and 2023 the number of establishments fell 8% and employment fell 16%. The 2018 count used NAICS 2017, so part of a large move can come from codes being redefined rather than from businesses opening or closing.

Its goods appear in 13 statistical lines of the US tariff schedule, mostly under headings 8708 (parts and accessories of the motor vehicles of headings…), 4009 (tubes, pipes and hoses, of vulcanized rubber other than…) and 6813 (friction material and articles thereof (for example…). That link is how import data is matched to domestic producers, for example in trade-remedy cases.

For example, manufacturing rubber and plastics belts and hoses without fittings are classified in 326220 (Rubber and Plastics Hoses and Belting Manufacturing) instead.