Exhibit 21.1

SUBSIDIARIES OF AFFINIA GROUP INTERMEDIATE HOLDINGS INC.

|                                               |  |  |                              |
|-----------------------------------------------|--|--|------------------------------|
| Subsidiary Name                               |  |  | Jurisdiction of Organization |
| Affinia Group Inc.                            |  |  | Delaware                     |
| Affinia Automotiva Ltda.                      |  |  | Brazil                       |
| Affinia Automotive (Ireland) Limited          |  |  | Ireland                      |
| Affinia Canada Corp.                          |  |  | Canada                       |
| Affinia Canada GP Corp.                       |  |  | Delaware                     |
| Affinia Canada Holdings Corp.                 |  |  | Canada                       |
| Affinia Canada LP                             |  |  | Canada                       |
| Affinia Cayman Corp.                          |  |  | Cayman Islands               |
| Affinia Distribucion Mexico S.A. de C.V.      |  |  | Mexico                       |
| Affinia Holdings S.A.S.                       |  |  | France                       |
| Affinia International Holdings Corp.          |  |  | Delaware                     |
| Affinia Netherlands Holdings BV               |  |  | Netherlands                  |
| Affinia Products Corp.                        |  |  | Delaware                     |
| Affinia Receivables LLC                       |  |  | Delaware                     |
| Affinia Servicos Administrativos S.A. de C.V. |  |  | Mexico                       |
| Affinia Southern Holdings LLC                 |  |  | Delaware                     |
| Affinia Venezuela C.A.                        |  |  | Venezuela                    |
| Arvis S.R.L.                                  |  |  | Uruguay                      |
| Auto-Electricos de Mexico S.A. de C.V.        |  |  | Mexico                       |
| Automotive Brake Company Inc.                 |  |  | Delaware                     |
| Balatas American Brakeblok S.A. de C.V.       |  |  | Mexico                       |
| Brake Parts Argentina S.A.                    |  |  | Argentina                    |
| Brake Parts Inc.                              |  |  | Delaware                     |
| Fanacif S.A.                                  |  |  | Uruguay                      |
| Farloc Argentina S.A.I.C.                     |  |  | Argentina                    |
| Frenos Lusac, S. de R.L. de C.V.              |  |  | Mexico                       |
| Grupo Affinia Mexico S.A. de C.V.             |  |  | Mexico                       |
| Iroquois Tool Systems, Inc.                   |  |  | Pennsylvania                 |
| Itapsa S.A. de C.V.                           |  |  | Mexico                       |
| Krizman International, Inc.                   |  |  | Delaware                     |
| Lusac Comphia de Mexico S.A. de C.V.          |  |  | Mexico                       |
| Moprod (Ireland) Limited                      |  |  | Ireland                      |
| Pellegrino Distribuidora Autopecas Ltda       |  |  | Brazil                       |
| Producciones Automotrices S.A. de C.V.        |  |  | Mexico                       |
| QH Talbros Ltd.                               |  |  | India                        |
| Quinton Hazell Automotive Limited             |  |  | United Kingdom               |
| Quinton Hazell Belgium S.A.                   |  |  | Belgium                      |
| Quinton Hazell Deutschland GmbH               |  |  | Germany                      |
| Quinton Hazell Espana (S.A.)                  |  |  | Spain                        |
| Quinton Hazell France S.A.S.                  |  |  | France                       |
| Quinton Hazell Italia SpA                     |  |  | Italy                        |
| Quinton Hazell Limited                        |  |  | Ireland                      |
| Quinton Hazell Luxembourg Sarl                |  |  | Luxembourg                   |
| Quinton Hazell Nederland B.V.                 |  |  | Netherlands                  |
| Quinton Hazell Polska Sp. z o.o.              |  |  | Poland                       |
| Supra Group Limited                           |  |  | United Kingdom               |
|                                               |

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|                                        |  |  |                              |
|----------------------------------------|--|--|------------------------------|
| Subsidiary Name                        |  |  | Jurisdiction of Organization |
| Tianjin Wix Filter Corporation Limited |  |  | China                        |
| Wix Filtration Corp.                   |  |  | Delaware                     |
| Wix Filtration Media Specialists, Inc. |  |  | Delaware                     |
| Wix Filtration Products Europe Limited |  |  | United Kingdom               |
| Wix Filtron Sp. z o. o.                |  |  | Poland                       |
| Wix Filtron Sp. z o. o.                |  |  | Ukraine                      |
| Wix Helsa Company                      |  |  | Delaware                     |
|                                        |

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