Main Bearing 3901431 for 6CT 6BT 6BT5.9 Diesel Engine

Keywords: 3901431 main bearing, 6CT 6BT 6BT5.9 engine main bearing set, diesel engine spare parts, heavy truck excavator construction machinery engine parts

🔹Product Overview

This 3901431 main bearing is specially designed for 6CT, 6BT, 6BT5.9 diesel engines. It is mounted between crankshaft and engine block, used to reduce friction and support crankshaft rotation during engine operation.

🔹Detailed Specifications

🔹Key Features & Advantages

• ✅ High-quality alloy bearing material, excellent wear resistance and load bearing capacity.
• ✅ Precise machining tolerance, perfect fit with crankshaft to reduce friction loss.
• ✅ Good anti-fatigue performance, stable operation under high load and high speed condition.
• ✅ Anti-corrosion surface treatment, long service life in harsh working environment.
• ✅ Complete set, convenient for engine overhaul and replacement.

🔹Application Scope

• Suitable for heavy trucks, excavators, generator sets equipped with 6CT 6BT 6BT5.9 diesel engine
• Used for engine crankshaft maintenance and overhaul repair
• Widely adopted in construction machinery, commercial vehicles and mobile power station
• Fit for repair shops, engine rebuilding factory and fleet maintenance overhaul projects
• Critical spare parts for engine overhaul, prevent crankshaft wear failure
• Applicable for logistics transportation vehicles and heavy-load engineering equipment

🔹Our Company Advantage

We are professional supplier of diesel engine spare parts, supply a full range of engine components.

• 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 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 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.