The product is a NOS (new old stock) GM 1985-1991 Chevrolet GMC Truck 4 speed drive gear bearing slinger, with the manufacturer part number 12338118. This direct replacement part is designed specifically for Chevrolet trucks from the mentioned years, ensuring a perfect fit and reliable performance. Made in the United States, this vintage part is a genuine Chevrolet product, offering quality and durability for your vehicle's transmission and drivetrain system.