Car Engine Piston Ring Part number: 0640Q4 04017N0 Dimensions: 86mm 1.2×1.5×2.5 mm Compatible With: CITROËN C8 II (2002–) 2.2L (2230 cc, 158 ) 406 Saloon (1995–2005), Estate (1996–2004), Coupe (1997–2005) — 2.2L (2230 cc, 158 ) 607 Saloon (2000–2010) — 2.2L 16V (2230 cc, 158 or 163 ) 807 (2002–) — 2.2L (2230 cc, 158 ) 407 Saloon (2004–2011), SW (2004–2011), Coupe (2005–) — 2.2L and 2.2L 16V (2230 cc, 158 or 163 ; engine codes 6D3FZE, 6D3FZH, 6D3FYH, 6D3FYE) This piston ring is designed to replace the piston ring in the specified vehicles.It restores engine sealing function when installed as part of a complete piston ring set during engine overhaul or repair.To confirm compatibility with your specific vehicle, provide the VIN number.