5i8052 34301-01050 Cylinder Head Rear for Caterpillar 320C S6K Diesel Engine

Product Details

Product Overview

This professional-grade cylinder head rear, identified by OEM numbers 5i8052 and 34301-01050, is a critical component engineered for the Caterpillar 320C excavator and other heavy equipment powered by the S6K diesel engine. As a precision-machined replacement part, it serves as the upper sealing surface for the engine’s combustion chambers, housing the valves, injectors, and cooling passages essential for optimal engine performance.

Manufactured to meet original equipment specifications, this cylinder head is designed to restore compression, improve fuel efficiency, and extend the service life of your diesel engine. Whether you are rebuilding a 320C excavator or maintaining a fleet of industrial machinery, this component provides a reliable, high-performance solution for demanding work environments.

Key Features & Benefits

• OEM Specification Fitment: Direct replacement for part numbers 5i8052 and 34301-01050, ensuring compatibility with Caterpillar S6K and 320C engine platforms without modification.
• High-Performance Casting: Manufactured from premium-grade cast iron with stress-relieved properties to withstand extreme thermal cycling and combustion pressures.
• Precision Machining: Valve seat inserts and guide bores are machined to exact OEM tolerances, providing a perfect seal and reducing the risk of blow-by or coolant leakage.
• Comprehensive Quality Control: Each unit undergoes a machinery test report and outgoing video inspection to verify dimensional accuracy, pressure integrity, and surface finish.
• Versatile Application: Suitable for excavators, trucks, forklifts, bulldozers, buses, and loaders using the S6K engine family, making it a valuable inventory item for multi-brand service shops.
• Cost-Effective Rebuild Solution: Offers the lowest price advantage in its category without compromising on the high-performance standards required for heavy-duty diesel operations.

Technical Specifications

OEM Cross-Reference

This cylinder head is a direct cross-reference for the following OEM numbers. Always verify your existing part number before ordering:

• Caterpillar OEM: 5i8052
• Komatsu/Alternative OEM: 34301-01050
• Engine Series: S6K / 320C

Note: Cross-reference information is provided as a guide. For absolute certainty, compare physical dimensions and bolt patterns with your original part.

Compatibility

This cylinder head is commonly used for the following applications. Please confirm your specific engine model and serial number for fitment:

• Engines: Caterpillar S6K, 320C
• Equipment Types: Excavators, Trucks, Forklifts, Bulldozers, Buses, Loaders, and other heavy machinery utilizing the S6K diesel platform.

Global Supply & Distribution

We maintain a robust global supply chain to serve B2B buyers in North America, Europe, Asia-Pacific, the Middle East, and Africa. With strategic warehousing in Guangdong and Guizhou, China, we offer efficient logistics to major international ports including Shanghai, Shenzhen, and Guangzhou.

Our export team is experienced in international trade documentation, customs clearance, and shipping solutions (FOB, CIF, DDP). Typical delivery times range from 7-15 days for air freight to 25-35 days for sea freight, depending on destination. We cater to both wholesale distributors and end-user industrial clients.

Quality Assurance

• Manufacturing Standards: Produced in ISO-compliant facilities with strict adherence to OEM dimensional and material specifications.
• Testing Procedures: Each cylinder head is subject to a machinery test report and outgoing video inspection to validate pressure tightness and surface flatness.
• Warranty: Backed by a 6-month warranty against manufacturing defects. Warranty covers material and workmanship issues under normal operating conditions.

FAQ

Q1: How can I verify that this cylinder head fits my Caterpillar S6K engine?
A: First, locate the part number on your existing cylinder head. If it reads 5i8052 or 34301-01050, this unit is a direct match. Additionally, measure the overall length, width, and bolt hole pattern. The OEM size specification ensures it matches the original dimensions. If in doubt, contact our technical support with your engine serial number.

Q2: What installation precautions should I take with a new cylinder head?
A: Always clean the engine block surface thoroughly and use a new head gasket. Torque the head bolts in the manufacturer-recommended sequence and to the specified torque values (usually in stages). After initial installation, run the engine to operating temperature, then re-torque the bolts as per the service manual to prevent gasket failure.

Q3: What is the typical lifespan of this cylinder head under normal working conditions?
A: When installed correctly and maintained with proper coolant and oil changes, this cylinder head can last the life of the engine overhaul cycle (typically 8,000-12,000 hours for heavy equipment). Regular inspection for cracks or warpage during major service intervals is recommended to maximize longevity.