Exhibit 12.1

APTIV PLC

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

	Six Months Ended June 30,			Year ended December 31,
	2018			2017			2016			2015			2014			2013
				(dollars in millions)
Income from continuing operations before income taxes and equity income	$	748		$	1,255		$	1,000		$	997		$	1,052		$	972
Cash dividends received from non-consolidated affiliates and other		(22	)		(31	)		(26	)		(28	)		(43	)		(23	)
Portion of rentals deemed to be interest		18			33			28			29			33			30
Interest and related charges on debt		70			140			228			182			165			177
Earnings available for fixed charges	$	814		$	1,397		$	1,230		$	1,180		$	1,207		$	1,156
Fixed charges:
Portion of rentals deemed to be interest	$	18		$	33		$	28		$	29		$	33		$	30
Interest and related charges on debt		70			140			228			182			165			177
Total fixed charges	$	88		$	173		$	256		$	211		$	198		$	207
Ratio of earnings to fixed charges		9.3			8.1			4.8			5.6			6.1			5.6