Cylinder Head 16487-03050 16444-03040 1a033-03042 1g711-03040 1g757-03040 For Kubota D1703 D1803

Product Details

Product Overview

This premium Cylinder Head Assembly is a direct replacement component specifically designed for the Kubota D1703 and D1803 diesel engine series. It is an essential top-end engine part that ensures proper combustion chamber sealing, valve operation, and cooling system integrity.

Engineered to match OEM specifications, this cylinder head is a critical component for maintaining engine performance and reliability in demanding applications. It is commonly used in a variety of heavy-duty equipment including construction machinery, industrial power units, agricultural tractors, generator sets, marine propulsion systems, and material handling equipment.

This unit is identified by several cross-reference part numbers including 16487-03050, 16444-03040, 1a033-03042, 1g711-03040, and 1g757-03040, providing clear identification for parts procurement professionals.

Key Features & Benefits

• OEM Specification Fitment: Manufactured to original equipment size and dimensional standards, ensuring a precise fit for D1703 and D1803 engine blocks without modification.
• High-Quality Casting: Constructed from durable cast iron or aluminum alloy (as per OEM spec) to withstand high combustion pressures and thermal cycling.
• Complete Assembly: Delivered as a fully assembled unit, typically including valve guides, valve seats, and core plugs where applicable, reducing installation time.
• Reliable Sealing Surface: Precision-machined deck surface ensures a perfect seal with the engine block gasket, minimizing the risk of coolant or compression leaks.
• Enhanced Durability: Designed for long service life in continuous-duty applications such as generators and industrial pumps, reducing downtime and maintenance costs.
• Proven Compatibility: Backed by a machinery test report and outgoing video inspection, confirming its dimensional accuracy and operational readiness.

Technical Specifications

OEM Cross-Reference

This cylinder head is a direct replacement for the following original equipment manufacturer (OEM) part numbers. Please verify your engine’s specific requirements.

• Primary OEM: 1G008-03040
• Alternate OEM: 16487-03050
• Alternate OEM: 16444-03040
• Alternate OEM: 1a033-03042
• Alternate OEM: 1g711-03040
• Alternate OEM: 1g757-03040

Compatibility

This cylinder head assembly is specifically designed for the following engine platforms. It is commonly used in equipment powered by these engines.

• Engine Models: Kubota D1703, Kubota D1803
• Typical Applications: Construction machinery (mini excavators, backhoes), Industrial engines (pumps, compressors), Agricultural tractors, Generator sets (gensets), Marine engines, Material handling equipment (forklifts)

Global Supply & Distribution

We offer comprehensive worldwide shipping capabilities to support international B2B buyers. Our logistics network ensures fast and reliable delivery to major industrial centers and ports across the globe.

• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Netherlands), Asia-Pacific (Australia, Japan, South Korea, Southeast Asia), Middle East (UAE, Saudi Arabia), and South America (Brazil, Chile).
• Shipping: Expedited air freight and cost-effective sea freight options available. We ship via DHL, FedEx, UPS, and sea carriers to major ports like Los Angeles, Rotterdam, and Shanghai.
• Export Experience: Our team has extensive experience in international trade documentation and customs compliance, ensuring smooth delivery for your procurement needs.

Quality Assurance

We are committed to delivering high-quality engine components that meet or exceed industry standards. Each cylinder head undergoes rigorous quality control checks before shipment.

• Manufacturing Standards: Produced in an ISO-compliant facility with strict quality management systems.
• Testing: A Machinery Test Report and Video Outgoing Inspection are provided with each order, confirming dimensional accuracy and surface integrity.
• Warranty: Backed by a 6-month warranty against manufacturing defects, providing peace of mind for your maintenance operations.
• OEM Service: Custom OEM services are available for volume orders, including custom packaging and branding.

FAQ

Q1: Is this cylinder head a direct bolt-on replacement for my Kubota D1703 engine?
A: Yes, this cylinder head assembly is manufactured to OEM size specifications and is designed as a direct bolt-on replacement for the Kubota D1703 and D1803 diesel engines. We recommend verifying your existing part number against our cross-reference list (e.g., 16487-03050) to ensure exact compatibility. No additional machining is typically required.

Q2: Does this cylinder head come with the valve train components pre-installed?
A: This is a cylinder head assembly, which usually includes the valve guides and valve seats. However, we recommend confirming with our sales team whether valves, springs, and rocker arms are included for your specific order, as configurations may vary. The unit is ready for installation onto the engine block.

Q3: What is the recommended maintenance after installing a new cylinder head?
A: After installation, it is critical to follow the engine manufacturer’s torque specifications and tightening sequence for the head bolts. We recommend using a new cylinder head gasket and checking the valve clearance after the initial engine warm-up cycle. Regular inspection of coolant and oil levels is advised during the first 50 hours of operation.