GM OEM Differential Crush Sleeve / Spacer 1234726 is a set of one new old stock (NOS) parts manufactured by GM in the United States. These spacers are designed for use on both the front and rear axles of vehicles, providing a precise fit for a seamless installation. With the manufacturer part number 1234726, this product ensures quality and compatibility with specific GM vehicle models, making it a reliable choice for car enthusiasts looking to replace or upgrade their differential parts.