OEM ihabanye nundi muntu-wagize uruganda rukora ibice byo kugurisha nyuma yinyuma.OEM bivuga ikintu cyakozwe cyane cyane kubicuruzwa byumwimerere, mugihe ibicuruzwa byanyuma bivuga ibikoresho byakozwe nindi sosiyete umuguzi ashobora gukoresha nkumusimbura.
Kurugero, vuga ko umuntu akeneye gusimbuza imodoka ya thermostat, yakozwe kuburyo bugaragara kuri Ford Taurus yabo na ABC Thermostats.Bashobora kugura igice cya OEM, kikaba ari duplicate yumwimerere wabo ABC thermostat yakoreshejwe mubikorwa byambere byimodoka.Cyangwa barashobora kugura igice cyanyuma, ubundi buryo bwakozwe nindi sosiyete.Muyandi magambo, niba umusimbuye nawe aturuka muri sosiyete ABC, ni OEM;bitabaye ibyo, nibicuruzwa byanyuma.
Ibikoresho bya Aftermarket birashobora kuba bihendutse kuruta ibicuruzwa bya OEM, ariko birashobora kandi kuza kumanuka cyane muburyo bwiza cyangwa ibicuruzwa mubuzima bwose.
OEM nayo itandukanye nubushakashatsi bwumwimerere (ODM), ubwoko bwibirango byihariye kubice byakozwe.Isosiyete ya ODM irashobora gukora no gukora ibicuruzwa ukurikije ibyo bakeneye, ariko barashobora guhindura igishushanyo kugirango bahuze ibyo sosiyete ikora.Ibicuruzwa birashobora kugurishwa nabakiriya munsi yikimenyetso cyabo.
Gahunda ya ODM ntabwo ifite ibintu byoroshye guhinduka nkibikoresho byumwimerere, kubera ko umukiriya arimo gukora igishushanyo gihari.Nyamara, ibishushanyo mbonera byumwimerere bifite igiciro gito cyubushakashatsi niterambere, biganisha ku biciro biri hasi kubaguzi ba nyuma.Byongeye kandi, ibicuruzwa bya ODM mubisanzwe bifite umubare muto ntarengwa wo gutumiza, bigatuma bikurura abakiriya bato.