English – American
Accelerator – Gas pedal
Aerial – Antenna
Anti-roll bar – Stabiliser or sway bar
Big-end bearing – Rod bearing
Bonnet – Hood (engine cover)
Boot – Trunk (luggage compartment)
Bulkhead – Firewall
Bush – Bushing
Cam follower or tappet – Valve lifter or tappet
Carburettor – Carburetor
Catch – Latch
Choke/venturi – Barrel
Circlip – Snap-ring
Clearance – Lash
Crownwheel – Ring gear (of differential)
Damper – Shock absorber, shock
Disc – Rotordisk (brake)
Drop arm – Pitman arm
Drop head coupé – Convertible
Dynamo – Generator (DC)
Earth – Ground (electrical)
Engineer's blue – Prussian blue
Exhaust manifold – Header
Float chamber – Float bowl
Free-play – Lash
Gearbox – Transmission
Gearchange – Shift
Grub screw – Setscrew, Allen screw
Gudgeon pin – Piston pin or wrist pin
Halfshfat – Axleshaft
Handbrake – Parking brake
Hood – Soft top
Indicator – Turn signal
Interior light – Dome lamp
Layshaft – Countershaft (of gearbox)
Leading shoe – Primary shoe (of brake)
Locks – Latches
Methylated spirit – Denatured alcohol
Motorway – Freeway, turnpike
Number plate – License plate
Paraffin – Kerosene
Petrol – Gasoline (gas)
Petrol tank – Gas tank
Pinking – Pinging
Prise – Pry (force apart)
Prop(eller) shaft – Driveshaft
Quarterlight – Quarter window
Retread – Recap
Reverse – Back-up
Rocker cover – Valve cover
Saloon – Sedan
Seized – Frozen
Sidelight – Parking light
Silencer – Muffler
Sill panel – Rocker panel (beneath doors)
Small end, little end – Piston pin or wrist pin
Spanner – Wrench
Split cotter (for valve spring cap) – Lock (for valve spring retainer)
Split pin – Cotter pin
Steering arm – Spindle arm
Sump – Oil pan
Swarf – Metal chips or debris
Tappet – Valve lifter
Thrust bearing – Throw-out bearing
Top gear – High
Trackrod (of steering) – Tie-rod (or connecting rod)
Trailing shoe – Secondary shoe (of brake)
Transmission – Whole drive line
Tyre – Tire
Van – Panel wagon/van
Vice – Vise
Wheel nut – Lug nut
Windscreen – Windshield
Wing/mudguard – Fender