Bosch diesel mmanụ ụgbọala injector spacer bụ otu n'ime isi ngwaahịa YS ụlọ ọrụ, na YS na-enye ihe karịrị 60 ụdị dị iche iche na nha nke injector nozzle spacer maka mmanụ ụgbọala injectors na-eji zuru ụwa ọnụ ahịa. YS mmanụ ụgbọala injector spacer na-ejikọta ahụ injector na injector nozzle, nke nwere mmetụta mkpuchi dị mma. The YS spacer na-emepụta na kacha mma Gcr15 ígwè, nke ana achi achi eyi-resistance na corrosion-eguzogide nke nkwụnye efere, na nwere ogologo ọrụ ndụ.