Machinery diesel Engine Parts Con Rod QSB6.7 Connecting Rod 3971212

Keywords: 3971212 connecting rod, QSB6.7 con rod, QSB6.7 engine connecting rod, diesel engine spare parts, excavator engine parts, machinery engine connecting rod

🔹Product Overview

This connecting rod 3971212 is specially designed for QSB6.7 series diesel engines, widely applied in excavators, trucks and other industrial construction machinery. It transmits power from piston to crankshaft during engine operation, bears huge alternating impact load, and is a critical core component for engine power assembly. It is an ideal replacement part for engine overhaul and power system repair.

🔹Detailed Specifications

🔹Key Features & Advantages

• High-strength forged alloy steel material, strong structural rigidity and outstanding impact resistance.
• Precision machining for big end and small end bore, strict dimensional tolerance for perfect fitting.
• Advanced heat treatment process, stable performance and strong fatigue resistance under heavy load.
• Smooth surface finishing, reduce wear to matching piston pin and crankshaft journal.
• Strict crack detection inspection, effectively avoid fracture risk under continuous working condition.
• Fully matched OEM standard, direct replacement without modification during overhaul.
• Stable mechanical property, keep working reliability under high temperature and vibration environment.
• Each connecting rod goes through multi-process quality testing to meet OEM technical requirements.
• Long service life, reduce engine failure rate and lower maintenance cost.

🔹Application Scope

• Suitable for excavators, heavy duty trucks, stationary generator sets equipped with QSB6.7 diesel engines
• Used for connecting rod replacement during engine overhaul and power system maintenance
• Widely adopted in commercial vehicles, engineering equipment and mobile power station with QSB6.7 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.