Ultima | Rear Left Shock Absorber | Daihatsu Sirion M100 1998–2005 | 65138LUltima Shock Absorber (Single) for Daihatsu Sirion M100 19982005 (Chassis No 538946+) This Ultima Rear Left Shock Absorber (65138L) is an OE standard replacement component designed for the driver's side rear of the Daihatsu Sirion (First Generation, M100 Series). This part is specifically engineered for models manufactured from 1998 to 2005 with a Chassis Number from 538946 and above. It ensures stable dampening and restores the original handling