Mmaraka oa likarolo tsa likoloi o moholo, 'me theko ea ona ea mmaraka oa lefats'e e fihlile ho lidolara tse limilione tse likete tse 378 tsa Amerika, ka sekhahla sa kholo ea selemo se ka bang 4%.
Mefuta eohle ea likarolo tsa likoloi, tseo har'a tsona tse tsebahalang haholo ke likarolo tsa likoloi tse ka nkeloang sebaka. Hobane likoloi li senyeha tlasa ts'ebeliso ea tlhaho, ho na le tlhoko e kholo ea lihlahisoa tsena 'marakeng:
Likarolo tsa tlhokomelo tse kang lihlatso, mariki, lithaere, ho fanyeha, jj.
Likarolo tsa motlakase tse kang li-bulbs tsa motlakase, likoloi tse qalang, li-alternator, lipompo tsa mafura le liente
—Bushings, enjene mounts, strut mounts, liatla tsa taolo, bolo e kopaneng, likhokahano tsa botsitso le likarolo tse ling tsa ho emisoa, likarolo tsa rabara le mekhahlelo ea mochini
—— Mabala a Wiper le mehele ea mamati le lihlahisoa tse ling tse sebelisoang kahare le kantle ho koloi.
Indasteri ea makoloi ke indasteri ea lefats'e ka boyona, mme lihlahisoa tse ngata tsa makoloi li rekisa linaheng kapa libaka tse fetang e le 'ngoe. Leha mofuta le mofuta o mong le o mong o ka ba le lebitso le fapaneng linaheng le libakeng tse fapaneng, bokahare le enjine le tsona li tla fapana. Empa ka kakaretso, likarolo tse ngata li sebelisana hantle ebile li ka fetoloa ho likoloi linaheng le libakeng tse fapaneng.
Leha ho le joalo, ka kakaretso, marang-rang a barekisi a fanang ka likarolo tsa likoloi hangata a ikhethile naheng e ngoe le e ngoe le tikolohong, e ka lebisang liphapang tse kholo tsa theko thekisong ea likarolo tsa likoloi. Leha ho le joalo, likarolo tse theko e phahameng kapa tse thata ho fumaneha le likarolo tse entsoeng bareki ba mose ho maoatle li na le tlhoko e matla ea likarolo tsa likoloi. Mmaraka oa likarolo tse sebetsang hantle haholo Middle East o "tletse matla", le mebaraka ea Europe Bochabela, Russia, Austra.