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NOC 2021 Version 1.0


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74203 – Automotive and heavy truck and equipment parts installers and servicers

Automotive and heavy truck and equipment parts installers and servicers install replacement automotive mechanical parts such as mufflers, exhaust pipes, shock absorbers, springs and radiators and perform routine maintenance service such as oil changes, lubrication and tire repairs on automobiles, trucks and heavy equipment. They are employed by automobile and truck service and repair shops, service departments of industrial establishments and construction, mining and logging companies.


Example titles

  • Crane greaser
  • Heavy equipment servicer (except mechanic)
  • Muffler installer
  • Radiator installer - auto repair service
  • Shock absorber installer
  • Spring installer
  • Tire repairer

Main duties

This group performs some or all of the following duties:
  • Change engine oil and lubricate running gears or moving parts of automobiles, trucks and heavy equipment
  • Grease booms, pulleys, buckets and other components of heavy equipment
  • Replace oil, air and fuel filters on motor vehicles, trucks and heavy equipment
  • Install replacement mufflers, exhaust pipes, shock absorbers or radiators on motor vehicles, trucks and heavy equipment
  • Repair and balance tires
  • Add or replace hydraulic and transmission fluids in motor vehicles, trucks and heavy equipment
  • Assist mechanics and perform other duties as directed
  • Drive automobile or service truck to location of construction, logging or other industrial sites to provide services.

Employment requirements

  • Some secondary school is usually required.
  • Several weeks of on-the-job training are usually required.

Additional information

  • Progression to supervisory positions is possible with experience.
  • There is some mobility among installers and servicers in this unit group.


  • Automotive service technicians, truck and bus mechanics and mechanical repairers (72410)
  • Heavy-duty equipment mechanics (72401)
  • Contractors and supervisors, mechanic trades (72020)
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