Kubota V2203 V2403 Engine Piston 1G790-21113 1G790-21110 1G790-2111 Replacement Part

Product Details

Product Overview

This is a high-precision replacement piston designed specifically for Kubota V2203 and V2403 diesel engines. As a critical component for engine rebuilds and maintenance, this piston ensures reliable performance for tractors, construction machinery, and industrial equipment. We offer global shipping to major markets including North America, Europe, Southeast Asia, and the Middle East, ensuring fast delivery to industrial centers worldwide.

Key Features & Benefits

• Precision Engineering: Manufactured to OEM specifications for perfect fitment and optimal compression ratio.
• Durable Construction: Made from high-strength aluminum alloy with reinforced ring lands to withstand high combustion pressures.
• Enhanced Heat Dissipation: Optimized piston skirt design reduces friction and improves heat transfer for longer engine life.
• Wear Resistance: Advanced surface treatment minimizes scuffing and wear, even under heavy load conditions.
• Cost-Effective Solution: Direct OEM replacement at a competitive price point, ideal for fleet maintenance and rebuild shops.

Technical Specifications

OEM Cross-Reference

This piston is a direct replacement for the following Kubota original part numbers:

• 1G790-2111
• 1G790-21113
• 1G790-21110

Note: These numbers may be listed interchangeably depending on the manufacturer’s revision or packaging. All numbers refer to the same piston specification for the V2203/V2403 engine family.

Compatibility

This piston is compatible with the following Kubota engine models and applications:

• Engine Models: Kubota V2203, V2403 (including -A, -B, -E, -T variants)
• Common Applications: Kubota tractors (L, M, B series), excavators (KX series), generators, and industrial power units
• Year Range: 1990s to present (check specific engine serial number for exact fitment)

Global Supply & Distribution

We maintain a global distribution network to serve B2B customers efficiently. Our logistics capabilities include:

• Worldwide Shipping: Reliable delivery to North America, Europe, Asia-Pacific, Middle East, Africa, and South America.
• Fast Port Delivery: Stock available for quick dispatch to major ports (Los Angeles, Rotterdam, Shanghai, Dubai, Singapore).
• Bulk Orders: Competitive pricing for wholesale, OEM, and aftermarket distributors.
• Trade Compliance: Experienced in international export documentation and customs clearance.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001 certified facilities with strict quality control.
• Testing: Each piston undergoes dimensional inspection, hardness testing, and surface finish verification.
• Warranty: 12-month warranty against manufacturing defects (excluding wear and tear from improper installation).
• Certification: Material certifications available upon request for quality audits.

FAQ

Q1: Will this piston fit my Kubota V2203 engine without modification?
Yes, this piston is an OEM replacement and is designed for direct fitment into standard Kubota V2203 and V2403 engines. However, we recommend verifying the engine serial number and measuring the cylinder bore diameter to ensure it matches the standard piston size. If the cylinder has been rebored, a different oversize piston may be required.

Q2: Can I install this piston with existing rings from my engine?
No, we strongly advise against reusing old piston rings. While this product includes only the piston, you should purchase a new piston ring set (compatible with V2203/V2403) and replace rings during installation. Old rings will not seat properly and may cause blow-by or oil consumption.

Q3: What is the recommended installation procedure for this piston?
Installation should be performed by a qualified diesel mechanic. Key steps include: cleaning the cylinder bore, lubricating the piston skirt and rings with engine oil, compressing the rings with a ring compressor, and gently tapping the piston into the bore using a wooden or plastic handle. Always follow the Kubota service manual for torque specifications and clearance checks.