Please wait

Exhibit 21.1

BORGWARNER INC. (Parent)                    
Significant Subsidiaries
As of December 31, 2025

NAME OF SUBSIDIARYJURISDICTION
AKASOL Inc.Michigan
Beijing Delphi Wan Yuan Engine Management Systems Co. Ltd.China
BorgWarner (China) Investment Co., Ltd.China
BorgWarner (Reman) Holdings, LLCDelaware
BorgWarner (Thailand) Ltd.Thailand
BorgWarner Aftermarket Europe GmbHGermany
BorgWarner AKASOL GmbHGermany
BorgWarner Alternators Inc.Delaware
BorgWarner Arden LLCDelaware
BorgWarner Arnstadt RE GmbH & Co. KGGermany
BorgWarner Asia Inc.Delaware
BorgWarner Automotive Asia LimitedHong Kong
BorgWarner Automotive Components (Beijing) Co., Ltd.China
BorgWarner Automotive Components (Jiangsu) Co., Ltd.China
BorgWarner Automotive Components (Ningbo) Co., Ltd.China
BorgWarner Automotive Components (Tianjin) Co., Ltd.China
BorgWarner Automotive Components (Wuhan) Co., Ltd. China
BorgWarner Battery Systems Technical Center GmbHGermany
BorgWarner Brasil Ltda. Brazil
BorgWarner Brasil Ltda., Piracicaba BranchBrazil
BorgWarner Changnyeong LLCSouth Korea
BorgWarner Chungju LLCSouth Korea
BorgWarner Cooling Systems (India) Private LimitedIndia
BorgWarner Cooling Systems GmbH Germany
BorgWarner Darmstadt RE GmbH & Co., KGGermany
BorgWarner Dixon LLCDelaware
BorgWarner Drivetrain de Mexico SA de CVMexico
BorgWarner Drivetrain Engineering GmbHGermany
BorgWarner DTC LLCSouth Korea
BorgWarner Electric Motors, LLCVirginia
BorgWarner Emissions Systems (Ningbo) Co., Ltd.China
BorgWarner Emissions Systems Holding LLCDelaware
BorgWarner Emissions Systems India Private LimitedIndia
BorgWarner Emissions Systems of Michigan Inc.Delaware
BorgWarner Emissions Systems Portugal, Unipessoal LDAPortugal
BorgWarner Emissions Systems Spain, S.L.U.Spain
BorgWarner Emissions Talegaon Private LimitedIndia
BorgWarner eMobility Poland Sp. zo.o.Poland



NAME OF SUBSIDIARYJURISDICTION
BorgWarner Engineering Kibo RE GmbH & Co. KGGermany
BorgWarner Engineering Services Switzerland AGSwitzerland
BorgWarner ETTS Mexico S. de R.L. de C.V.Mexico
BorgWarner Europe GmbHGermany
BorgWarner France Holding S.A.S. France
BorgWarner Gateshead Ltd.United Kingdom
BorgWarner Germany Holding Services GmbHGermany
BorgWarner Germany REH GmbHGermany
BorgWarner Germany REM GmbHGermany
BorgWarner Global Holding LLCDelaware
BorgWarner Heidelberg I RE GmbH & Co. KGGermany
BorgWarner Heidelberg II RE GmbH & Co. KGGermany
BorgWarner Heidelberg REH GmbHGermany
BorgWarner Holding Inc.Delaware
BorgWarner Holding Kft.Hungary
BorgWarner Holdings LimitedUnited Kingdom
BorgWarner Hungary Kft.Hungary
BorgWarner India Holdings Inc.Delaware
BorgWarner India Technical Center Private LimitedIndia
BorgWarner Industrial Solutions LLCDelaware
BorgWarner Investment Holding LLCDelaware
BorgWarner IT Services Europe GmbHGermany
BorgWarner IT Services S.R.L.Romania
BorgWarner Italy Holding S.R.L.Italy
BorgWarner Ithaca LLCDelaware
BorgWarner Izmir Otomotiv Sistemleri A.S.Turkey
BorgWarner Juarez S. de R.L. de C.V. (formerly known as AS Catalizadorea Ambientales S de R.L. de C.V.)Mexico
BorgWarner Kibo RE GmbH & Co. KGGermany
BorgWarner Korea Holdings (PDS) B.V.Netherlands
BorgWarner Korea Holdings LLCDelaware
BorgWarner Korea LLCSouth Korea
BorgWarner LimitedUnited Kingdom
BorgWarner Ludwigsburg GmbH Germany
BorgWarner Ludwigsburg RE GmbH & Co. KGGermany
BorgWarner Luxembourg Automotive Systems SarlLuxembourg
BorgWarner Markdorf Plant RE GmbH & Co. KGGermany
BorgWarner Markdorf REH GmbHGermany
BorgWarner Massachusetts Inc.Delaware
BorgWarner Mexico Holdings II LLCDelaware
BorgWarner Mexico Holdings LLCDelaware
BorgWarner Mexico Propulsion Engineering Center S. de R.L. de C.V.Mexico
BorgWarner Mobility Korea LLCSouth Korea
BorgWarner Morse Systems India Private LimitedIndia
BorgWarner Morse Systems Italy S.r.l.Italy



NAME OF SUBSIDIARYJURISDICTION
BorgWarner Morse Systems Japan K.K.Japan
BorgWarner Morse Systems Mexico, S.A. de C.V.Mexico
BorgWarner Muggendorf RE GmbH & Co. KGGermany
BorgWarner Netherlands Holding (PDS) B.V.Netherlands
BorgWarner Noblesville LLCDelaware
BorgWarner NW Inc.Delaware
BorgWarner Ochang LLCSouth Korea
BorgWarner Oroszlany Kft.Hungary
BorgWarner Orsenigo SrlItaly
BorgWarner PDS (Indiana) Inc.Delaware
BorgWarner PDS (Livonia) Inc.Delaware
BorgWarner PDS (Thailand) LimitedThailand
BorgWarner PDS (USA) Inc.Delaware
BorgWarner PDS Irapuato, S. de R.L. de C.V.Mexico
BorgWarner PDS Technologies, L.L.C.Delaware
BorgWarner Penzilgyi Kft.Hungary
BorgWarner Poland Sp. zo.o.Poland
BorgWarner PowerDrive Systems (Suzhou) Co., Ltd. China
BorgWarner PowerDrive Systems (Tianjin) Co., Ltd.China
BorgWarner PowerDrive Systems (Wuhu) Co., Ltd.China
BorgWarner Propulsion II LLC Delaware
BorgWarner Pyongtaek LLC South Korea
BorgWarner Reman Holdings, L.L.C.Delaware
BorgWarner Research & Development Co., Ltd.China
BorgWarner Reynosa, S de R.L. de C.V.Mexico
BorgWarner Rzeszow Sp. zo.oPoland
BorgWarner Saltillo S. de R.L. de C.V.Mexico
BorgWarner Seixal, S.A. (formerly known as Delphi Powertrain Systems Portugal)Portugal
BorgWarner Shenglong (Ningbo) Co., Ltd.China
BorgWarner Singapore Holdings Pte. Ltd. Singapore
BorgWarner SLP S. de R.L. de C.V.Mexico
BorgWarner South Asia LLCDelaware
BorgWarner Southborough Inc. Delaware
BorgWarner Spain Holding, S.L.U.Spain
BorgWarner Stuttgart GmbH Germany
BorgWarner Sweden AB Sweden
BorgWarner Systems Engineering GmbH Germany
BorgWarner Thermal Systems Inc.Delaware
BorgWarner Thermal Systems of Michigan Inc.Delaware
BorgWarner TorqTransfer Systems (Beijing) Co. Ltd.China
BorgWarner Transmission Products LLCDelaware
BorgWarner Transmission Systems (Jiangsu) Co., Ltd.China
BorgWarner Transmission Systems Arnstadt GmbHGermany
BorgWarner Transmission Systems GmbHGermany



NAME OF SUBSIDIARYJURISDICTION
BorgWarner Transmission Systems Korea LLCSouth Korea
BorgWarner Trustees LimitedUnited Kingdom
BorgWarner Turbo & Emissions Systems de Mexico S.A. de C.V.Mexico
BorgWarner Turbo & Emissions Systems France S.A.S.France
BorgWarner Turbo Systems GmbHGermany
BorgWarner Turbo Systems LLCDelaware
BorgWarner Turbo Systems of Michigan Inc.Delaware
BorgWarner Turbo Systems Worldwide Headquarters GmbHGermany
BorgWarner UK Financing Ltd.United Kingdom
BorgWarner UK Holding and Services Ltd.United Kingdom
BorgWarner United Transmission Systems Co., Ltd.China
BorgWarner US Holding LLCDelaware
BorgWarner US Investment Holding LLCDelaware
BorgWarner US Investment LLCDelaware
BorgWarner US Technologies LLC Delaware
BorgWarner USA Industries, LLCDelaware
BorgWarner Viana, LDAPortugal
BuradaWarner LLCSouth Korea
BWA Receivables CorporationDelaware
BWA Turbo Systems Holding LLCDelaware
Cascadia Motion LLCDelaware
Chitose Sangyo Co., Ltd.Japan
Delphi Diesel Systems S.L.U.Spain
Fast Warner Intelligent Control Systems (Xi’an) Co., Ltd.China
Kuhlman LLCDelaware
New PDS Corp.Delaware
NSK - Warner (Shanghai) Co., Ltd.China
NSK - Warner K.K.Japan
NSK - Warner Mexico, S.A. de C.V.Mexico
NSK - Warner U.S.A., Inc.Michigan
Old Remco Holdings, LLCDelaware
Old Remco International Holdings, LLCDelaware
PT. NSK - Warner IndonesiaIndonesia
Rhombus Energy Solutions LLCDelaware