| German | Img | English |
| Kabel | | cable; insulated wire; wire |
| Kabel mit Gewebemantel | | braided cable |
| Kabelbaum | | wiring loom |
| Kabelbaumummantelung | | wiring harness |
| Kabeldurchlaß | | wiring grommet |
| Kabeldurchlaß (durch Spritzwand) | | bulkhead grommet |
| Kabelschneider | | cable cutter |
| Kabelschuh | | cable shoe; socket |
| Kabel-Umhüllung | | cable casing |
| Kabelzieher | | cable puller |
| Kabinendach | | canopy |
| Kabriolett | | convertible; drophead |
| Kammer | | chamber |
| Kanal | | passage; tract |
| Kanister | | can; jerrycan |
| Kanne | | can |
| Kante an Kante | | edge to edge |
| Kantenanhebung | | edge raising |
| Kappe | | cap |
| Karabinerhaken | | snap hook |
| Kardanantrieb | | joint transmission; shaft drive |
| Kardangelenk | | cardan joint; universal joint |
| Kardankreuz | | cardan spider |
| Kardanwelle | | cardan shaft; propeller shaft |
| Karosserie | | body; bodyshell; coachwork |
| Karosserieaufbau | | bodywork |
| Karosserie-Bus ( im Sinne von Datenübertragung) | | Body bus (K-Bus) |
| Karosseriebauer | | coachbuilder |
| Karosserierahmen | | body frame |
| Karosseriesäule | | body pillar |
| Karossier | | coachbuilder |
| Katalysator | | catalytic converter |
| Katalysator-Überhitzungssicherung | | catalyst overheat thermal fuse |
| Kegel | | bevel; cone |
| kegelförmig | | conical |
| kegelförmig anschließen | | conical connect |
| Kegelrad | | crown wheel |
| Kegelradgetriebe | | crown wheel |
| Kegelrollenlager | | taper roller bearing |
| Kegelstift | | taper pin |
| Kegeltellerrad | | bevel ring gear |
| Kegelverzahnung | | bevel gear |
| Keil | | wedge |
| keilförmiger Brennraum | | wedge-type combustion chamber |
| Keilnut | | key groove |
| Keilriemen | | cogged drive belt; v-belt; belt |
| Keilriemenscheibe | | belt pulley |
| Keilwelle | | splined shaft |
| keine Ladung (Batterie, Lichtmaschine) | | no charge |
| Kennzeichen | | numberplate |
| Kennzeichnung | | mark |
| Kennzeichnungsschild | | flat for identification purposes |
| Kerbe | | notch |
| Kerndurchmesser | | minor diameter |
| Kerosin | | kerosene |
| Kette | | chain; track |
| Kettenantrieb | | chain and sprocket drive; chain drive |
| Kettengelenk | | chain joint |
| Kettenkasten | | chain case |
| Kettenrad | | chain pulley; chain sprocket; sprocket |
| Kettenspanner | | chain tensioner |
| Kickdown - Seilzug | | kickdown cable |
| Kickstarter | | kick starter |
| Kipphebel | | rocker arm |
| Kiste | | box |
| Klammer | | clip |
| Klang | | sound |
| klappbar | | collapsible; folding |
| Klappe | | flap |
| klappen | | fold |
| klappern | | chatter; clatter |
| Klappsitz | | folding seat |
| Klassischer Wagen | | classic car |
| Klaue | | claw |
| Klauenkupplung | | claw coupling; jaw clutch |
| Klebeband | | adhesive tape |
| kleiner werden | | decrease |
| Klemmbeilagschraube | | clamping washer |
| Klemme | | clamp; grip; retainer; terminal (KL) |
| Klemmenschraube | | clamp bracket screw |
| Klemmschraube | | clamping bolt |
| Klettverschluß | | velcro |
| Klicken | | clicking |
| Klimaanlage | | air conditioning |
| Klimaanlagen - Kompressor | | air conditioning compressor |
| Klimaanlagen - Steuerungseinheit | | air conditioning control unit |
| Klimatisierung | | air conditioning |
| Klingen | | jingling |
| Klinke | | catch; handle |
| Klopfen | | knocking; pinking |
| klopfen | | rap |
| Klopfsensor | | knock sensor |
| km/h (=Kilometer pro Stunde) | | kph (kilometers per hour) |
| Kneifzange | | pincers |
| Knieschutzstange | | knee bar |
| Knopf | | button |
| Koffer | | luggage |
| Kofferraum | | luggage boot; boot; luggage compartment |
| Kofferraumdeckel | | boot lid |
| Kofferraumhaube | | boot lid |
| Kofferraumleuchte | | boot lamp |
| Kohlebürste | | carbon brush |
| Kolben | | piston; plunger |
| Kolben mit Bolzen | | piston and pin |
| Kolbenboden | | crown; piston head; piston top |
| Kolbenbolzen | | gudgeon pin; piston pin; wrist pin |
| Kolbenbolzenbuchse | | piston pin bushing |
| Kolbenbolzenlager | | little end bearing; small end bearing |
| Kolbenbolzensicherung | | piston pin retainer |
| Kolbenhemd | | piston skirt |
| Kolbenhub | | piston stroke travel |
| Kolbenpumpe | | plunger pump |
| Kolbenring | | piston ring |
| Kolbenring - Satz | | piston ring set |
| Kolbenring - Spiel | | ring-to-groove clearance |
| Kolbenringspannband | | piston ring compressor |
| Kolbenringstoß | | piston ring gap |
| Kolbenrücksetzzange | | piston retracting tool |
| Kolbenspiel | | piston clearance |
| Kolbenventil | | plunger valve |
| Kollektor | | commutator |
| Kombi(nationskraft)wagen | | estate car; station wagon; utility car |
| Kombizange | | combination pliers |
| Kompressionsdruckmesser | | compression gauge; compression testing gauge |
| Kompressionsring | | compression ring |
| Kompressor | | blower; compressor; supercharger |
| Kondensator | | capacitor; condensor; suppressor |
| konischer Ring | | tapered ring |
| konischer Zapfen | | tapered journal |
| Konsole | | bracket |
| Konstruktion | | construction |
| Kontaktbrücke | | moving contact |
| Kontaktwinkel | | contact angle |
| Kontermutter | | locknut |
| kontrollieren | | check; inspect |
| Kontrolliertes (Überwachtes) Bereichsnetzwerk | | Controlled area network (CAN) |
| Konus | | cone |
| Konuskupplung | | cone clutch; cone coupling |
| konzentrisch | | concentric |
| Kopfsenker | | counterbore |
| Korkeinlage | | cork insert |
| Korn | | grain |
| Körner | | centre punch |
| Korrektur | | correction |
| korrodieren | | corrode |
| Korrosion | | corrosion |
| Kosten | | cost |
| kosten | | cost |
| kostenlos | | no charge |
| Kotflügel | | fender; mudguard; wing |
| Kraft | | force |
| Kraftantrieb | | power drive |
| Kraftstoff | | fuel; petrol |
| Kraftstoff - Füllstandgeber | | fuel gauge sender unit |
| Kraftstoff/Luft - Gemisch | | fuel mixture |
| Kraftstoffanzeige | | fuel gauge |
| Kraftstoffeinspritzung | | fuel injection |
| Kraftstoff-Filter | | fuel filter |
| Kraftstoffhahn | | fuel cock |
| Kraftstoffleitung | | fuel feed pipe; fuel line; fuel pipe: gasoline line; gas line |
| Kraftstoffpumpe | | fuel pump; petrol pump |
| Kraftstoffrückleitung | | fuel return pipe |
| Kraftstofftank | | fuel tank |
| Kraftstofftankdeckel | | petrol filler cap |
| Kraftstoffverbrauch | | fuel consumption |
| Kraftstoffzuleitung | | fuel inlet hose; fuel supply line |
| Kraftübertragung | | power transmission; transmission |
| kratzen | | jar |
| Kreislauf | | cycle |
| Kreuzgelenk | | universal coupling; universal joint |
| Kreuzschlitzschraubendreher | | screw driver for recessed head screws; cross-head screwdriver |
| Kreuzstück | | cross |
| Kronenmutter | | castellated nut; castle nut; slotted nut |
| Krümmer | | manifold; elbow; knee |
| Krümmung | | bend; curve |
| Kubikzoll | | cubic inch |
| Kugel | | ball |
| Kugeldrucklager | | ball thrust bearing |
| Kugelgelenk | | ball joint |
| Kugelgelenkabzieher | | ball joint separator |
| Kugelhammer | | ball hammer |
| Kugelkopfschraube | | ball-head bolt |
| Kugellager | | ball bearing; bearing ball |
| Kugellagerfett | | ball-bearing grease |
| Kugellaufring | | ball race |
| Kugelschaltung | | ball and socket gear shifting |
| Kugelumlauflenkung | | re-circulating ball steering |
| Kugelventil | | ball valve |
| Kugelverbindung | | ball joint |
| kühl | | cool |
| kühlen | | cool |
| Kühler | | radiator; cooler; cooling |
| Kühlerabdeckung | | radiator hood |
| Kühlerfigur | | radiator mascot; hood ornament |
| Kühlergrill | | radiator grill |
| Kühlerlüfter | | radiator fan |
| Kühlerschlauch | | radiator hose |
| Kühlerventilator | | cooling fan |
| Kühlerzeichen | | radiator emblem; badge |
| Kühlkörper | | heat sink |
| Kühlmittel | | coolant |
| Kühlmittel-Entlüftungsschraube | | coolant bleed screw |
| Kühlmittelleitung | | refrigerant pipe |
| Kühlmittelpumpe | | coolant pump |
| Kühlmitteltemperatur | | coolant temperature |
| Kühlmitteltemperaturgeber | | coolant temperature sensor |
| Kühlrippe | | cooling fin |
| Kühlsystem | | cooling system |
| Kühlsystem spülen | | cooling system flushing |
| Kühlung | | cooling |
| Kühlwasser | | coolant; cooling water |
| Kühlwassermantel | | water galleries; water jacket |
| Kühlwasserschlauch | | coolant hose |
| Kunstharzklebstoff | | synthetic resin glue |
| Kunstharzlack | | enamel |
| Kunststoff-Unterlegscheibe | | fibre washer |
| Kunststoffzahnrad | | fibre gear |
| Kupfer-/Aluminium-Legierung | | aluminium bronze |
| Kupferdichtung | | copper gasket |
| Kupplung | | clutch; coupling |
| Kupplungsbelag | | clutch facing; driven plate lining |
| Kupplungsdruckplatte | | clutch plate; pressure plate |
| Kupplungsdruckscheibe | | clutch plate |
| Kupplungshebel | | clutch lever |
| Kupplungsnabe | | clutch centre; clutch hub |
| Kupplungsrutschen | | clutch slippage |
| Kupplungsscheibe | | clutch disc; driven plate assembly |
| Kupplungsschleifen | | clutch slippage |
| Kupplungszentrierwerkzeug | | clutch plate alignment set |
| Kurbel | | crank |
| Kurbelfenster | | drop window |
| Kurbelgehäuse | | crankcase |
| Kurbelgehäuse - Entlüfter | | breather |
| Kurbelgehäuseentlüftungsschlauch | | crankcase ventilation hose |
| Kurbelwange | | crankweb |
| Kurbelwelle | | crankshaft; crank |
| Kurbelwellen - Ausgleichsgewicht | | crankshaft counter weight |
| Kurbelwellenhauptlager | | crankshaft main bearing; main bearing |
| Kurbelwellenhauptlagerschale | | main bearing shell |
| Kurbelwellenhauptlagerzapfen | | crankshaft main bearing journal |
| Kurbelwellenknie | | crank elbow |
| Kurbelwellenrad | | crankshaft sprocket |
| Kurbelwellenriemenscheibe | | crankshaft pulley |
| Kurbelwellenwinkelgeber | | crank sensor |
| Kurve | | bend; curve |
| Kurvenschlingern | | roll |
| Kurzschluß | | short circuit; short cut |