6BT5.9 Diesel Engine Connecting Rod Bearing 3901170 STD for Truck and Excavator

Keywords: 3901170 STD connecting rod bearing, 6BT5.9 conrod bearing, 6BT5.9 engine connecting rod bearing set, diesel engine spare parts, excavator engine parts, truck engine bearing

🔹Product Overview

This connecting rod bearing 3901170 STD is specially designed for 6BT5.9 series diesel engines, widely applied in excavators, trucks and other industrial construction machinery. It is installed between connecting rod and crankshaft, used to reduce friction and wear during engine high-speed operation, bear heavy cyclic load and maintain stable lubrication clearance. It is a core replacement part for engine overhaul and power system repair.

🔹Detailed Specifications

🔹Key Features & Advantages

• High-performance bimetallic alloy material, excellent load bearing capacity and wear resistance.
• Precise thickness and dimensional tolerance, maintain ideal oil clearance for stable hydrodynamic lubrication.
• Good fatigue resistance, can withstand continuous impact load under high engine working condition.
• Surface anti-friction treatment, effectively reduce friction loss and lower engine oil consumption.
• Standard STD size, fully match original crankshaft and connecting rod without extra machining.
• Complete set packaging, convenient for one-time replacement in engine overhaul project.
• Fine surface finishing, reduce scratch risk on crankshaft journal during assembly and operation.
• Stable thermal deformation performance, keep consistent clearance under high temperature working environment.
• Strict quality inspection for each bearing piece, ensure every component meets OEM specification.

🔹Application Scope

• Suitable for excavators, heavy duty trucks, stationary generator sets equipped with 6BT5.9 diesel engines
• Used for connecting rod friction pair replacement during engine overhaul and power system maintenance
• Widely adopted in commercial vehicles, engineering equipment and mobile power station with 6BT5.9 power system
• Fit for fleet maintenance, repair shops and engine rebuilding factory overhaul projects
• Ideal replacement parts for equipment running under heavy load and frequent start-stop working conditions
• Applicable for logistics transportation vehicles, small engineering machinery and mobile power equipment

🔹Our Company Advantage

• Strict quality inspection before delivery to guarantee product quality.
• Support customized orders and small batch trial orders, offer competitive factory price and fast reply for your inquiry.
• Complete product catalogue covering multiple engine models, one-stop purchasing service for various spare parts.
• Rich export experience, familiar with international trade requirements for construction machinery parts.
• Provide professional technical support and part number confirmation service for customers.
• Support multiple payment terms to meet different overseas buyers’ requirements.
• Adequate inventory for most common engine spare parts to shorten lead time.
• Provide after-sales follow-up service and product usage guidance for all orders.

🔹Packaging & Shipping

• Packed with independent plastic inner packaging and export carton box to avoid scratch and damage during transportation.
• We can ship goods by sea, air or international express according to customer requirements. Fast delivery time after receiving deposit.
• Label customization service is available, we can print your brand logo and part number on package.
• Reinforced carton packaging for heavy-duty engine parts to prevent damage in long-distance transport.
• Provide packing list and commercial invoice for smooth customs clearance.
• Support mixed container loading for multiple spare parts combined orders.
• Professional packaging team ensures neat packaging and complete part classification.

🔹Contact Us

If you need more excavator spare parts or other construction machinery replacement components, please send your parts list to us. We will offer our best quotation for you quickly.