Cummins QSB4.5 4D107 Cylinder Liner 3904167 | 4-Cylinder Engine Parts

Product Details

Product Overview

This high-performance Cummins Cylinder Liner (Part Number: 3904167) is specifically engineered for the Cummins QSB4.5 and 4D107 engine platforms. As a critical component of the engine block assembly, this liner ensures optimal combustion chamber sealing and heat dissipation. We are a leading global supplier, offering competitive pricing and reliable shipping to major industrial markets including North America, Europe, Southeast Asia, and the Middle East. Our parts are sourced from certified manufacturers, ensuring they meet or exceed OEM specifications for demanding B2B applications.

Key Features & Benefits

• Superior Durability: Manufactured from high-grade cast iron alloy, providing exceptional wear resistance and extended service life.
• Precision Engineering: Machined to exact OEM tolerances for a perfect fit and consistent compression, reducing the risk of blow-by.
• Enhanced Heat Transfer: Optimized surface finish ensures efficient heat rejection, preventing hot spots and potential engine damage.
• Corrosion Resistance: Advanced plating treatment protects against pitting and corrosion from fuel and coolant contaminants.
• Drop-in Ready: Pre-finished and ready for installation, minimizing downtime during engine overhauls.

Technical Specifications

OEM Cross-Reference

This part is a direct replacement for the following OEM numbers:

• Cummins OEM: 3904167
• Alternative Cross-Reference: 3973097, 4089436
• Engine Series: QSB4.5, 4D107, 4BT (select variants)

Note: Always verify the OEM number on your original part before ordering.

Compatibility

This cylinder liner is compatible with the following engine models and applications:

• Engine: Cummins QSB4.5, 4D107 (4-cylinder)
• Vehicle Applications: Agricultural tractors (e.g., Case IH, New Holland), Construction equipment (e.g., Komatsu, JCB), Marine engines, and Industrial generators.
• Year Range: Typically used in models manufactured from 2008 onward. Check your engine serial number for precise compatibility.

Global Supply & Distribution

• Worldwide Shipping: We offer fast and reliable shipping via DHL, FedEx, UPS, and sea freight to all major global ports (e.g., Shanghai, Rotterdam, Los Angeles, Dubai).
• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands), Asia-Pacific (China, Australia, India), Middle East (UAE, Saudi Arabia), and Africa.
• Logistics Expertise: With years of export experience, we handle all customs documentation and ensure compliance with international trade regulations (ISF, HS Code 8409.99).
• Bulk Orders: Volume discounts available for wholesale and workshop orders.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001:2015 certified facilities.
• Testing: Each liner undergoes strict dimensional inspection, hardness testing, and surface finish verification before packaging.
• Warranty: Backed by a 12-month warranty against manufacturing defects. We stand by the quality of our parts.

FAQ

Q1: Is this cylinder liner a direct fit for my Cummins QSB4.5 engine?
A: Yes, the part number 3904167 is the OEM specification for the QSB4.5 and 4D107 engines. It is a direct replacement. We recommend checking the original part number on your old liner to confirm compatibility.

Q2: What is the installation procedure for this wet sleeve liner?
A: Clean the cylinder block bore thoroughly. Apply a light coat of clean engine oil to the O-rings on the liner. Hand-press the liner into the block. Do not use force. Ensure the liner is seated flush with the block deck. Always use a new head gasket and follow the manufacturer’s torque specifications for the cylinder head.

Q3: How can I ensure a long service life for this liner?
A: Use high-quality coolant to prevent cavitation. Maintain proper engine operating temperature. Always replace the liner O-rings and piston rings during installation. Regular oil changes with the correct viscosity (e.g., 15W-40) will significantly extend the liner’s lifespan.