This Borg & Beck CV Joint Boot Kit (part number BCB6121) is a high-quality replacement part for your vehicle's driveshaft. It features a length of 130 mm, an inner diameter of 131 mm, and an outer diameter of 96 mm. The kit includes clamps and grease lubrication, and is made from durable thermoplastic material. This part is compatible with various Audi models, including the A4 B8 and A6 C7/C8, specifically for front axle left and right applications. Cross-references include AKRON-MALÃ’ 177483K, FEBI BILSTEIN 44201, FIRST LINE FCB6121, and SKF VKJP1488. The OEM reference number is VAG 8K0498203C.