Precision Engineered 4A30/4A31 Connecting Rod Bearings for Mitsubishi Engines
High-quality MD315937 rod end bearings crafted from durable copper-lead alloy with a precision-aligned steel backing for superior load distribution and heat resistance. Advanced micro-groove design ensures optimal oil retention, reducing friction and extending engine lifespan under extreme conditions. Perfect for Mitsubishi 4A30 engine rebuilds, performance upgrades, or commercial fleet maintenance—ideal for mechanics and auto workshops. Globally sourced materials meet OEM standards, offering unmatched durability at wholesale prices. Buy in bulk and save!