Premium Diesel Engine Main Bearing Set – Unmatched Durability & Precision
High-performance main bearing set designed for KMQ 4BT and 6BT diesel engines, ensuring smooth operation under extreme loads. Precision-machined from high-grade alloy steel with advanced heat treatment for superior wear resistance and extended engine life. Perfectly balanced design reduces friction and vibration, enhancing fuel efficiency and reducing maintenance costs. Ideal for heavy-duty applications including industrial machinery, construction equipment, and long-haul trucks. Globally sourced materials meet OEM standards, guaranteeing reliability for professional mechanics and fleet operators. Buy in bulk for wholesale pricing—direct supplier savings with no middlemen. Limited stock available.