Product Overview

This is a high-quality, OEM-size replacement piston specifically engineered for Kubota D1803 and V2403 series diesel engines. Designed for durability and precise performance, it is an essential component for engine overhauls and repairs in heavy machinery. We supply this part globally, with significant demand and reliable delivery to major industrial markets across North America, Europe, the Middle East, and Asia-Pacific.

Key Features & Benefits

• Precision Engineered: Manufactured to exact OEM dimensions and specifications, ensuring a perfect fit and optimal compression.
• Enhanced Durability: Constructed from high-grade materials to withstand the high-pressure and thermal stresses of diesel engine operation.
• Optimal Performance: Designed to restore engine power, efficiency, and smooth operation, reducing fuel consumption and emissions.
• Rigorous Quality Control: Each piston undergoes stringent inspection and testing to meet performance benchmarks.
• Cost-Effective Solution: Provides a reliable, high-performance alternative to genuine parts at a competitive price point.

Technical Specifications

OEM Cross-Reference

This piston is a direct replacement for the following OEM part number:

• Kubota: 1G861-21110

Note: Always verify the part number from your original engine or service manual before ordering to ensure compatibility.

Compatibility

This piston is compatible with engines and machinery using the Kubota D1803 or V2403 diesel engine blocks. Common applications include, but are not limited to:

• Vehicle & Machinery Types: Excavators, Trucks, Forklifts, Bulldozers, Buses, Loaders, and other industrial equipment.
• Primary Engine Models: Kubota D1803, Kubota V2403.

Global Supply & Distribution

We are a professional exporter of heavy-duty engine components with extensive experience in international B2B trade. Our logistics network ensures efficient shipping to key global markets.

• Worldwide Shipping: We ship to all major destinations via air freight and sea freight.
• Key Markets Served: North America (USA, Canada, Mexico), European Union, United Kingdom, Australia, Southeast Asia, the Middle East, and Africa.
• Fast Delivery: Consolidated shipments to major ports (e.g., Los Angeles, Rotterdam, Singapore, Dubai) with reliable inland forwarding options.
• Trade Compliance: All documentation (Commercial Invoice, Packing List, Certificate of Origin) is provided for smooth customs clearance.

Quality Assurance

• Manufacturing Standards: Produced in ISO-certified facilities using advanced CNC machining and heat treatment processes.
• Comprehensive Testing: Every batch is subject to material analysis, dimensional accuracy checks, and a machinery test report is provided.
• Video Outgoing-Inspection: Available upon request to verify product quality and specifications before shipment.
• Warranty: Backed by a 6-month warranty against manufacturing defects, providing peace of mind for our B2B clients.

FAQ

Q1: How do I confirm this piston will fit my specific Kubota engine?
A1: The most reliable method is to cross-reference the part number stamped on your original piston or listed in your engine’s service manual with our part number 1G861-21110. This piston is designed for the D1803 and V2403 engine models.

Q2: Is this piston sold as a single unit or as part of a set?
A2> This piston is sold as a single item. For a complete engine overhaul, you will need to purchase a set matching the number of cylinders in your engine block (e.g., 4 for a D1803). Please contact us for volume pricing on full sets.

Q3: What should I check during installation to ensure proper performance?
A3> Prior to installation, it is critical to: 1) Measure the cylinder bore for wear and ensure it is within service limits. 2) Check the piston-to-cylinder wall clearance as specified by the engine manufacturer. 3) Always install new piston rings and piston pins/circlips. Proper lubrication during assembly is essential.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .