This left-side engine insulator 12362-BZ120 works to hold the engine steady while isolating harsh vibrations and annoying noise transferred to the cabin when idling or speeding up. It is engineered for Toyota Passo and Daihatsu Boon KGC10, QNC10 models with 1KR-FE engine. The rubber compound is anti-aging and resistant to oil cracking, avoiding early failure under frequent driving conditions. Every piece is dimensionally calibrated for hassle-free installation, ready to restore smooth driving experience.