1G924-21052 17331-21050 1A091-21050 Piston Ring for Kubota D1703 D1803 V2203 V2403 Engine

Product Details

Product Overview

This high-quality piston ring set is engineered as a direct replacement for Kubota D1703, D1803, V2203, and V2403 diesel engines. The set includes the exact part numbers 1G924-21052, 17331-21050, and 1A091-21050, ensuring precise fitment and reliable performance. Designed to restore compression, reduce oil consumption, and minimize blow-by, these piston rings are essential components for engine overhauls and rebuilds.

Manufactured to OEM specifications, this piston ring set is commonly used in a variety of heavy equipment applications, including forklifts, bulldozers, excavators, trucks, and loaders. Whether you are a workshop, distributor, or equipment owner, this product provides a cost-effective solution for maintaining Kubota engine performance.

Key Features & Benefits

• OEM Specification Fitment: Manufactured to match original Kubota dimensions and tolerances for direct, hassle-free installation.
• Durable Material Construction: Made from high-grade alloy cast iron with advanced surface treatments for wear resistance and long service life.
• Reduced Oil Consumption: Precision-machined ring profiles ensure optimal oil control and cylinder wall sealing.
• Improved Compression: Restores engine compression, enhancing power output and fuel efficiency.
• Complete Set: Includes all necessary rings (compression and oil control) for a full piston set per cylinder.
• Rigorous Quality Control: Each batch undergoes dimensional inspection and material testing to guarantee consistency.

Technical Specifications

OEM Cross-Reference

This piston ring set directly replaces the following original Kubota part numbers:

• 1G924-21052
• 17331-21050
• 1A091-21050

These numbers correspond to the standard piston ring sets for the D1703, D1803, V2203, and V2403 engine families. Always verify your engine’s specific ring configuration (e.g., 3-ring vs. 4-ring set) before ordering.

Compatibility

This piston ring set is designed for use in the following Kubota diesel engines:

• D1703 (3-cylinder, 1.7L)
• D1803 (3-cylinder, 1.8L)
• V2203 (4-cylinder, 2.2L)
• V2403 (4-cylinder, 2.4L)

These engines are commonly used for equipment applications such as forklifts, excavators, bulldozers, loaders, trucks, and agricultural machinery. Fitment is based on the engine model; please confirm your engine’s serial number and ring configuration for compatibility.

Global Supply & Distribution

We maintain robust inventory levels to support worldwide shipping to major industrial markets. Our logistics network enables fast delivery to ports and inland destinations across North America, Europe, Asia-Pacific, the Middle East, South America, and Africa.

We have extensive export experience and comply with international trade documentation requirements. Whether you need express courier, air freight, or sea freight, we can arrange cost-effective shipping solutions for both sample orders and bulk container shipments.

Quality Assurance

Our manufacturing facility is equipped with precision grinding and inspection equipment to ensure each piston ring meets strict dimensional tolerances. We adhere to ISO 9001 quality management standards throughout production.

Each shipment includes a machinery test report and outgoing video inspection upon request. We stand behind our products with a 6-month warranty against manufacturing defects in materials and workmanship.

FAQ

Q: How do I confirm these piston rings will fit my engine?
A: Verify your engine model (e.g., D1703, V2203) and cross-reference the part numbers printed on your old rings. Our set replaces 1G924-21052, 17331-21050, and 1A091-21050. If your rings show different numbers, please contact us with your engine serial number for verification.

Q: Can I install these rings without removing the engine?
A: Piston ring replacement typically requires removing the cylinder head and oil pan, then extracting the pistons. For in-frame overhauls, it is possible on some equipment, but we recommend consulting your service manual. Proper ring gap measurement and cylinder hone preparation are essential for successful installation.

Q: What is the recommended break-in procedure after installation?
A: After installing new rings, run the engine at varying RPMs (avoid sustained idle) for the first hour under light load. Use quality diesel engine oil and change it after the initial 50 hours of operation. This allows the rings to seat properly against the cylinder walls for optimal performance and longevity.