The Case IH 3145950R91 is a genuine OEM left rear light assembly designed for various Case IH agricultural tractors. This essential lighting component ensures visibility and compliance for models including the 3210, 3220, 3230, 4210, 4220, 4230, 4240, 5120, 5130, 5140, 5150, 5220, 5230, 5240, 5250, MX100, MX110, MX120, MX135, MX80C, MX90C, and MX100C. It measures approximately 254 mm in length, 152.4 mm in width, and 152.4 mm in height, with a weight of about 0.36 kg, providing a direct fit replacement for optimal performance and safety.