The Case IH 87378124 Starter Disc is an authentic OEM component designed for various Case IH agricultural and construction machines. This critical part ensures proper engagement and disengagement of the starter motor, facilitating reliable engine ignition. Manufactured to precise specifications with an outer diameter of 42.01 mm, an inner diameter of 21.01 mm, and a thickness of 3.00 mm, it guarantees optimal performance and durability within the starter system. Weighing approximately 0.12 kg, this genuine replacement part maintains the integrity of your machinery's starting mechanism.