Renault Le Mans build car-to-ground connecting components for  the Renault Group and for the Alliance.

Manufactured products

  • Chassis systems and components (axles, subframes, arms, etc.) and cast parts.
Production (in units)20162017
Rear suspensions1 680 1421 739 637
Front suspensions1 236 806942 015 
Foundry (in tonnes) 124 793 111 733   


  • 1920: Creation of the Le Mans plant.
  • 1993: Creation of the Le Mans Foundry (FLM).
  • 1997: Le Mans plant becomes a general partnership subsidiary of ACI and takes the name of Renault Le Mans.
  • 1998: “Drive line joint” partnership agreement with Japan’s NTN.
  • 1999: Creation of two general partnerships (SNC): – Société Nouvelle de Transmission (80% Renault, 20% NTN). SNT’s activities are gradually transferred to NTN Transmission Europe (production site at Allones, Sarthe). – Auto Chassis International, grouping together under the same authority all the engineering, manufacturing and marketing resources relating to chassis parts produced for Renault and other carmakers.
  • 2000: Tractor business placed under the responsibility of Renault Agriculture, with the creation of a Renault Agriculture unit at Le Mans.
  • 2004: Founding of the Chassis Manufacturing department, to oversee production at all the “chassis” sites.
  • 2005: The structure of ACI changes, concerning the attachment of some departments. For example, the purchasing department of ACI is now attached to the joint Renault Nissan RNPO purchasing organization.
  • 2007: Flexibility Agreement.
  • 2008-2009: New molding site in the foundry.
  • 2013: Start-up of production of the fixed traverse section (a new part) for the CMF1 platform.
  • 2014: Launch of the new company project: Renault Le Mans, the benchmark chassis for the Alliance in 2017.
  • 2015: Over €10 million invested in modernising the machine-tooling lines.
  • 2016: Production of the 50 millionth rotor at the Foundry. Production start-up of the New Micra chassis.
  • 2017: New Nissan Micra chassis production start-up.