Cummins B3.3 QSB3.3 Cylinder Liner Kit 16V 4089143 Piston Set 4941139 4955416 Engine Parts

Product Details

Product Overview

This high-quality Cylinder Liner Kit is specifically engineered for the Cummins B3.3 and QSB3.3 diesel engines. Designed for 16-valve configurations, this comprehensive kit includes premium cylinder liners and piston sets, providing a complete solution for engine overhaul and maintenance. Sourced from ISO-certified manufacturers, this kit meets or exceeds OEM specifications, ensuring reliable performance and extended engine life. We serve a global clientele, with fast and efficient shipping to major ports and industrial centers in North America, Europe, Asia-Pacific, the Middle East, and South America.

Key Features & Benefits

• Superior Durability: Manufactured from high-strength alloy cast iron with advanced heat treatment for exceptional wear resistance and thermal stability.
• Precision Engineering: Machined to exact OEM tolerances for perfect fitment, reducing friction and optimizing compression for maximum power output.
• Complete Kit Solution: Includes all necessary components for a full top-end rebuild, simplifying procurement and ensuring component compatibility.
• Enhanced Oil Control: Advanced piston ring design provides superior oil control, reducing consumption and minimizing blow-by for cleaner operation.
• Rigorous Testing: Each component undergoes strict quality control checks, including dimensional verification and material analysis, guaranteeing zero-defect delivery.

Technical Specifications

OEM Cross-Reference

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

• Cummins OEM: 4089143, 4941139, 4955416
• Compatible Alternatives: 4089143RX, 4941139RX, 4955416RX (Replacement X)

Compatibility

This cylinder liner and piston kit is designed for use in the following engine models:

• Cummins B3.3 (All 16-valve variants)
• Cummins QSB3.3 (Industrial and Marine applications)

Commonly found in agricultural tractors, construction equipment (e.g., skid steer loaders, excavators), and generator sets. Please verify your engine’s specific serial number for exact fitment.

Global Supply & Distribution

We are a leading exporter of heavy-duty engine components, capable of fulfilling orders of any size with speed and reliability.

• Worldwide Shipping: We ship to over 50 countries via air, sea, and express courier (DHL, FedEx, UPS, TNT).
• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Netherlands), Asia-Pacific (Australia, Singapore, UAE), Middle East (Saudi Arabia, UAE), and South America (Brazil, Chile).
• Fast Delivery: Standard stock items are dispatched within 24-48 hours. We offer expedited shipping to major ports like Rotterdam, Shanghai, and Houston.
• Trade Compliance: We handle all export documentation and customs clearance, ensuring smooth international transactions.

Quality Assurance

• Certifications: Manufactured in ISO 9001:2015 certified facilities.
• Warranty: All products come with a standard 12-month warranty against manufacturing defects.
• Testing: Each kit undergoes 100% dimensional inspection and leak-down testing before packaging.

FAQ

1. Is this kit a direct bolt-on replacement for my Cummins B3.3 engine?

Yes, this kit is engineered as a direct replacement. However, we strongly recommend verifying your engine’s specific serial number and comparing the part numbers (4089143, 4941139, 4955416) against your engine’s service manual to ensure 100% compatibility. Minor variations may exist between early and late model B3.3 engines.

2. What is the recommended installation procedure for these liners?

Proper installation is critical. Ensure the engine block bore is clean and free of debris. Liners should be installed using a suitable installation tool to prevent deformation. After installation, check the liner protrusion above the block deck using a dial indicator; it should be within the range specified in your Cummins service manual (typically 0.002-0.005 inches). Always use new gaskets and seals.

3. What is the expected service life of this liner and piston set?

Under normal operating conditions with proper maintenance (regular oil changes, clean fuel, and correct coolant levels), this kit can provide a service life comparable to OEM parts, often exceeding 6,000 to 8,000 hours. Actual lifespan depends on load factors, operating environment, and maintenance practices.