The Cat 4431364 Joint As is an authentic OEM Caterpillar part designed to connect two components, providing essential movement and flexibility within heavy machinery. Manufactured to exact specifications, this genuine Cat joint assembly ensures durability, reliability, and optimal productivity. It is suitable for a wide range of Cat articulated trucks, excavators, forest products machines, load haul dumps, off-highway trucks, and track-type tractors, including models like the 725, 336D, R1600G, 770G, and D10T.