Auto parts stocks with the highest profit margins

Ranked

28

of 38 auto parts stocks we cover

Median

3.2%

Highest

15.5%

GNTX

Range

−15.8% to 15.5%

#	Company	Net margin	Operating margin	Revenue growth (TTM)	Market cap
1	GNTXGentex	15.5%	19.3%	+10.1%	$4.4B
2	DANDANA	14.6%	2.7%	+3.7%	$2.9B
3	CSLCarlisle Companies	14.2%	19.9%	+1.9%	$13.7B
4	WMSAdvanced Drainage Systems	14.0%	20.7%	+10.4%	$9.8B
5	ALSNAllison Transmission	12.0%	19.6%	+37.6%	$8.8B
6	ATMUAtmus Filtration Technologies	11.3%	17.2%	+13.1%	$3.6B
7	DORMDorman Products	10.2%	14.5%	+3.3%	$3.7B
8	GTXGarrett Motion	9.5%	14.3%	+8.5%	$4B
9	ALVAutoliv	5.8%	9.2%	+5.9%	$8.4B
10	MODModine Manufacturing	4.3%	10.1%	+29.5%	$7.1B
11	PATKPatrick Industries	3.7%	6.7%	+3.2%	$2.2B
12	PHINPhinia	3.7%	7.0%	+7.7%	$2.1B
13	NPOEnpro	3.6%	14.3%	+13.3%	$5.7B
14	STRTStrattec Security	3.6%	4.6%	+2.5%	$243.1M
15	BWABorgwarner	2.9%	5.0%	+2.2%	$11.2B
16	SMPStandard Motor Products	2.8%	8.4%	+11.3%	$832.6M
17	LEALear	2.3%	3.7%	+3.5%	$5.8B
18	HLLYHolley	1.7%	9.1%	+3.3%	$301.9M
19	APTVAptiv	1.2%	5.3%	+5.3%	$8.9B
20	THRMGentherm	0.6%	3.4%	+8.8%	$1.5B
21	ADNTAdient	0.3%	2.5%	+5.0%	$1.3B
22	GPCGenuine Parts	0.1%	3.7%	+5.5%	$17B
23	MPAAMotorcar Parts of America	−0.5%	6.4%	−0.8%	$192.7M
24	DCHDauch	−2.0%	1.0%	+41.0%	$1.1B
25	CPSCooper-Standard	−2.0%	2.3%	+2.1%	$362.3M
26	CVGICommercial Vehicle	−3.4%	2.0%	−0.4%	$117M
27	GTGoodyear Tire & Rubber	−14.4%	−2.1%	−4.3%	$1.2B
28	SRIStoneridge	−15.8%	−5.7%	+2.6%	$166.6M

Not ranked: 5 with a margin moved by items that are not sales, 2 with under $50M of revenue. 3 companies whose data behind this number has a caveat are left out until it is checked.

A ranking of numbers, not a recommendation. A low multiple can be a bargain or a business in trouble: open the company to see which.