- headlight
- headlight flasher
- headrest
- heat abstraction
- heat cracking
- heaterplug indicator
- heating system
- heavy
- heavy foot
- heavy truck
- helical gears
- helical teeth
- heel
- heel dolly
- helper
- hinge bow
- hinge facing
- hinge plate
- hire car
- hitch ball
- high side
- hitch
- holding brake
- holesaw
- high gear
- hinge panel
- hole punch
- homokinetic joint
- hood
- hood stick
- horizontal carburetor
- horn button
- hot hatch
- hot spraying
- honing
- hood up
- hood catch
- horizontal engine
- horn
- horn pad
- hot section
- hot wax
- Hotchkiss drive
- hub carrier
- hump
- hybrid technology
- hydraulic detector
- hydropnematic brake
- hydroskimmer
- hypoid axle
- ice scraper
- identical part
- idle system
- idler arm
- idler pulley
- idling vibration
- igniter
- ignition capacitor
- ignition coil
- ignition file
- ignition module
- ignition pattern
- ignition retard
- ignition temperature
- illuminated control
- HT lead
- hub flange
- hubcentric fit
- hudge
- hybrid bus
- hybrid car
- hybrid engine
- hybrid propulsion
- hybrid vehicle
- hydraulic
- hydraulic accumulator
- hydraulic tappet
- hydrocarbon plastics
- hypoid gear
- idle
- idle jet
- hypoid gearing
- impact pipe
- impact screwdriver
- ignition key
- ignition lag
- ignition magneto
- ignition point
- ignition switch
- ignition timing
- immobile
- impact sensor
- impact wrench
- impeller
- impeller eye
- inboard brakes
- incomplete thread
- induction port
- induction system
- inboard