Kubota V2403 D1803 C2.4 Piston 1J801-21111 – CR-EF07 Engine Parts for Excavator & Industrial Use

Product Details

Product Overview

This high-quality replacement piston (Part Number: 1J801-21111) is engineered specifically for Kubota V2403, V2403-CR-EF07, D1803-CR, and C2.4-CR diesel engines. Designed for heavy-duty excavators, agricultural tractors, and industrial machinery, this component meets or exceeds OEM specifications. We offer global shipping with reliable logistics to North America, Europe, Asia-Pacific, the Middle East, and South America, ensuring fast delivery to major ports and industrial hubs.

Key Features & Benefits

• Precision Engineering: Manufactured to strict tolerances for optimal combustion efficiency and reduced emissions in CR (Common Rail) EF07 systems.
• Durable Material: Constructed from high-strength aluminum alloy with reinforced ring grooves for extended service life under high thermal and mechanical loads.
• Direct OEM Replacement: Exact fit for Kubota V2403 and D1803 series engines, minimizing downtime during rebuilds or overhauls.
• Enhanced Performance: Optimized skirt design reduces friction and noise while improving oil control and cylinder wall protection.
• Rigorous Testing: Each piston undergoes dimensional, hardness, and thermal shock testing to ensure reliability in demanding excavator applications.

Technical Specifications

OEM Cross-Reference

• Kubota Part Number: 1J801-21111
• Alternative OEM Numbers: 1J801-21110, 1J801-21112 (verify compatibility)
• Engine Series: V2403-CR-EF07, D1803-CR, C2.4-CR

Note: Cross-reference with your engine serial number to confirm fitment.

Compatibility

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

• Engines: V2403, V2403-CR-EF07, D1803-CR, C2.4-CR
• Equipment: Kubota KX080-3, KX080-4 excavators; M series tractors; RT series industrial engines; generators and pumps using these engine platforms.
• Year Range: 2005–2020 (depending on equipment model; verify engine serial number)

Global Supply & Distribution

We serve B2B buyers worldwide with efficient logistics solutions:

• Shipping: Air, sea, and express freight available to all major global ports (Los Angeles, Rotterdam, Shanghai, Dubai, Singapore).
• Markets Served: North America, Europe, Asia-Pacific, Middle East, Africa, and South America.
• Lead Times: 3–7 business days via express; 15–30 days via sea freight for bulk orders.
• Export Compliance: We handle customs documentation and ensure compliance with international trade regulations.

Quality Assurance

• Manufacturing Standards: ISO 9001:2015 certified production facility.
• Testing: 100% inspection for dimensional accuracy, material hardness, and surface finish.
• Warranty: 12-month warranty against manufacturing defects under normal use conditions.
• Certifications: CE, RoHS compliant; meets OEM performance specifications.

FAQ

Q1: Will this piston fit my Kubota V2403-CR-EF07 engine?
Yes, part number 1J801-21111 is a direct OEM replacement for the V2403-CR-EF07 engine. Please verify your engine serial number and compression height to ensure compatibility. If your engine uses a different piston variant (e.g., 1J801-21110), contact us for cross-reference assistance.

Q2: Is this piston sold as a single unit or in a set?
This listing is for 1 piston (with rings and pin if specified). For complete engine overhauls, we recommend purchasing a full set (4 pistons for V2403) to ensure balanced compression. Please check the quantity in your cart or contact us for bulk pricing.

Q3: What maintenance is recommended after installing this piston?
After installation, follow Kubota’s break-in procedure: operate at varying loads for 50 hours, then change oil and filter. Use API CK-4 or CJ-4 grade oil. Monitor cylinder compression and oil consumption during the first 100 hours to ensure proper ring seating.