Cummins 4BT 6BT 3.9 5.9 Engine Piston 3907163 | OEM Replacement Parts

Product Details

Product Overview

We are a professional supplier of high-quality Cummins diesel engine pistons, specifically the OEM number 3907163. This piston is a critical component for the Cummins B-Series engine family, widely used in excavators, trucks, and industrial machinery. We offer global shipping to major markets including North America, Europe, Southeast Asia, the Middle East, and Africa, ensuring fast delivery to ports and industrial centers worldwide.

Key Features & Benefits

• OEM Standard Quality: Manufactured to meet or exceed original Cummins specifications for a perfect fit and reliable performance.
• Durable Construction: Made from high-strength alloy steel with advanced heat treatment for superior wear resistance and long service life.
• Precision Engineering: Features precise ring groove and pin bore tolerances to ensure optimal compression and oil control.
• Enhanced Performance: Designed to withstand high temperatures and pressures, reducing the risk of engine failure and downtime.
• Cost-Effective Solution: A direct replacement for your worn or damaged piston, offering excellent value without compromising quality.

Technical Specifications

OEM Cross-Reference

This piston is a direct replacement for the following OEM and reference numbers:

• Cummins: 3907163
• Other Compatible Numbers: 3907163RX, 3907163NX (alternative aftermarket codes)

Compatibility

This piston is designed for the following engine models and applications:

• Engine Models: Cummins 4BT3.9, 4BTA3.9, 6BT5.9, 6BTA5.9
• Common Applications: Excavators, skid steers, agricultural tractors, medium-duty trucks, and generator sets.
• Vehicle Examples: Dodge Ram 2500/3500 (with Cummins 6BT), various Ford and GM chassis with Cummins repower.

Global Supply & Distribution

• Worldwide Shipping: We ship to all major ports including Los Angeles, Rotterdam, Shanghai, Dubai, and Singapore.
• Major Markets Served: USA, Canada, UK, Germany, Australia, UAE, Saudi Arabia, South Africa, and Brazil.
• Fast Delivery: Orders processed within 24-48 hours, with express shipping options available for urgent needs.
• Trade Compliance: We adhere to international export regulations and provide necessary documentation for customs clearance.

Quality Assurance

• Manufacturing Standards: Produced under ISO 9001 certified facilities with strict quality control processes.
• Testing: Each piston undergoes dimensional inspection and material composition analysis to ensure reliability.
• Warranty: 12-month warranty against manufacturing defects, offering peace of mind for your purchase.

FAQ

Q1: Is this piston a direct fit for my Cummins 6BT5.9 engine?
Yes, part number 3907163 is a direct OEM replacement for the Cummins 6BT5.9 engine. It matches the original specifications for bore size, pin height, and ring configuration. We recommend verifying your engine’s serial number to confirm compatibility.

Q2: What is the recommended installation procedure for this piston?
Installation should be performed by a qualified mechanic. Ensure the cylinder bore is clean and within tolerance. Lubricate the piston rings and pin with clean engine oil before assembly. Use a piston ring compressor to install the piston into the cylinder, and torque connecting rod bolts to the manufacturer’s specifications (typically 85-95 ft-lbs for 6BT engines).

Q3: How do I maintain the piston for long engine life?
Regular oil changes (every 250-500 hours for diesel engines) are critical. Use high-quality diesel engine oil with the correct viscosity (e.g., 15W-40). Monitor engine temperature and avoid overheating, as excessive heat can damage the piston. Periodically check for abnormal exhaust smoke or loss of compression, which may indicate piston ring wear.