NAICS 5 Digit Industry 33631

Industry 33631

NAICS 5  Digit Industry 33631 – Motor Vehicle Gasoline Engine and Engine Parts Manufacturing

Definition of NAICS 5 Digit Industry 33631: See industry description for NAICS 336310 below.

Industry Description of NAICS Code 336310: This industry comprises establishments primarily engaged in the following:

  1. Manufacturing and/or rebuilding motor vehicle gasoline engines and engine parts and/or
  2. Manufacturing and/or rebuilding carburetors, pistons, piston rings, and engine valves, whether or not for vehicular use.
  • You can also download your own copy of the complete 2017 NAICS Classification Manual. The NAICS Manual is updated every five years. The 2017 copy will be applicable until a new edition is produced in 2022.

Illustrative Examples of NAICS Industry 33631

What are some examples of this industry classification? The bulleted items below are illustrative examples of this 5-digit NAICS industry.

  • Carburetors, all types, manufacturing
  • Crankshaft assemblies, automotive and truck gasoline engine, manufacturing
  • Cylinder heads, automotive and truck gasoline engine, manufacturing
  • Fuel injection systems and parts, automotive and truck gasoline engine, manufacturing
  • Manifolds (i.e., intake and exhaust), automotive and truck gasoline engine, manufacturing
  • Pistons and piston rings manufacturing
  • Pumps (e.g., fuel, oil, water), mechanical automotive and truck gasoline engine (except power steering), manufacturing
  • Timing gears and chains, automotive and truck gasoline engine, manufacturing
  • Valves, engine, intake and exhaust, manufacturing

Cross-References for Industry 33631

What codes are similar to this industry that might be more applicable? The cross-reference guide below displays the codes that are similar to industry 33631. Please review to find the most applicable classification.

  • Manufacturing wiring harnesses and other vehicular electrical and electronic equipment–are classified in Industry NAICS 336320, Motor Vehicle Electrical and Electronic Equipment Manufacturing;
  • Manufacturing transmission and power train equipment–are classified in Industry NAICS 336350, Motor Vehicle Transmission and Power Train Parts Manufacturing;
  • Manufacturing radiators–are classified in Industry NAICS 336390, Other Motor Vehicle Parts Manufacturing;
  • Manufacturing steering and suspension components–are classified in Industry NAICS 336330, Motor Vehicle Steering and Suspension Components (except Spring) Manufacturing;
  • Manufacturing parts for machine repair and equipment parts (except electric) on a job or shop basis–are classified in Industry NAICS 332710, Machine Shops;
  • Manufacturing rubber and plastic belts and hoses without fittings–are classified in Industry NAICS 326220, Rubber and Plastics Hoses and Belting Manufacturing; and
  • Manufacturing stationary and diesel engines–are classified in U.S. Industry NAICS 333618, Other Engine Equipment Manufacturing.

Other Index Entries for NAICS 5-Digit Industry 33631

The North American Industry Classification System contains multiple index entries that are each descriptive of the same code. The bulleted list below shows all applicable index entries (Current and former) that are associated with industry 33631. These index entries further elaborate on the scope of applicable industries that have already been defined at the top of this page.

  • Assembly line rebuilding of automotive and truck gasoline engines
  • Bearings (e.g., camshaft, crankshaft, connecting rod), automotive and truck gasoline engine, manufacturing
  • Carburetors, all types, manufacturing
  • Connecting rods, automotive and truck gasoline engine, manufacturing
  • Crankshaft assemblies, automotive and truck gasoline engine, manufacturing
  • Cylinder heads, automotive and truck gasoline engine, manufacturing
  • Engine block assemblies, automotive and truck gasoline, manufacturing
  • Engine intake and exhaust valves manufacturing
  • Engines and parts (except diesel), automotive and truck, manufacturing
  • Flywheels and ring gears, automotive and truck gasoline engine, manufacturing
  • Fuel injection systems and parts, automotive and truck gasoline engine, manufacturing
  • Fuel pumps, mechanical, automotive and truck gasoline engine, manufacturing
  • Gasoline engine parts, mechanical, automotive and truck, manufacturing
  • Gasoline engines, automotive and truck, manufacturing
  • Governors for automotive gasoline engines manufacturing
  • Internal combustion engines, automotive and truck gasoline, manufacturing
  • Manifolds (i.e., intake and exhaust), automotive and truck gasoline engine, manufacturing
  • Pistons and piston rings manufacturing
  • Positive crankcase ventilation (PCV) valves, engine, manufacturing
  • Pumps (e.g., fuel, oil, water), mechanical, automotive and truck gasoline engine (except power steering), manufacturing
  • Rebuilding automotive and truck gasoline engines
  • Rings, piston, manufacturing
  • Rocker arms and parts, automotive and truck gasoline engine, manufacturing
  • Timing gears and chains, automotive and truck gasoline engine, manufacturing
  • Valves, engine, intake and exhaust, manufacturing
Industry Breakdown for North American Industry Classification System

NAICS codes are broken down by digit. The broadest description starts with the 2 digit sector codes. The 3 digit subsector codes are more specific, then the 4 digit industry group, 5 digit industry (Where you are now), and the most specific is the 6 digit NAICS code. If the code on this page does not describe the industry of the business in question, then select the largest applicable code below. From there, follow through the progression of smaller digits to the larger digits in order to obtain the most specific 6 digit classification.

  • Sector 31-33: Manufacturing
    • Subsector 336: Transportation Equipment Manufacturing
      • Industry Group 3363: Motor Vehicle Parts Manufacturing
        • Industry 33631: Motor Vehicle Gasoline Engine and Engine Parts Manufacturing (Current Page)
          • 6 Digit Code(s) NAICS 336310: Motor Vehicle Gasoline Engine and Engine Parts Manufacturing

Other helpful NAICS Downloads

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NAICS 5 Digit Industry 33631 | Class Codes