"belt tensioner" in German belt tensioner Gurtstraffer Detailed translations for "belt tensioner" belt tensioner belt tensioner(also: pretensioner, seat belt pretensioner) der Gurtstraffer{masculine} The propellant charge in the belt tensioner has tightened the belt. Source: opensubtitles.org Corpus by OPUS Request review * Spielzeug-Ratsche * * Kinderlachen * Die Treibladung im Gurtstraffer hat den Gurt angezogen.