Precision-Engineered Cummins Connecting Rod Bearings
High-performance 6L ISLE QSL9 mechanical engine parts crafted for durability and optimal load distribution. Premium alloy steel construction with advanced anti-friction coating ensures longevity under extreme pressure.
Perfect Fit & Interchangeability
Direct replacement for Cummins part numbers 3966244, 3950661, 3901460, and 3901430. Precision-machined to OEM specs for seamless integration into heavy-duty engines.
Built for Heavy-Duty Applications
Ideal for construction equipment, marine engines, and long-haul trucks. Reduces wear and tear, extending engine life in high-stress environments.
Global Wholesale Advantage
Lowest price guaranteed for bulk orders. Trusted by mechanics and fleet operators worldwide for reliable, cost-effective solutions.