The car parts themselves are not expensive - it's the labor that costs so much.
manual labor
Several jobs did not even require the use of English, but were physical labor. (Certificate in Advanced English; C1; Russian)
skilled/unskilled labor
By working on both draining specific roads and replacing the worn down asphalt simu[l]taneously, the city would be saving money on the labor. (Certificate in Advanced English; C1; Portuguese)
The strong economy will create growth in the labor market.
The labor market in Russia is greatly influenced by the political situation. (Certificate in Advanced English; C1; Russian)
In this city, over 15 percent of the labor force are in jobs that require a bachelor's degree.
Young couples usually don't want to have more then one or two [children] and the labor force is declining. (Certificate of Proficiency in English; C2; Portuguese)
She went into labor at twelve o’clock last night.
He prefers to paint the house himself - it's a labor of love.