Product Details

Product Overview

This premium Kubota V2003 Diesel Engine Cylinder Head (Part Numbers: 1J860-03040, 1G796-03040) is a high-quality replacement component designed for industrial and agricultural machinery. Manufactured to meet or exceed OEM specifications, this cylinder head ensures optimal combustion chamber sealing, heat dissipation, and long-term durability. We serve a global B2B clientele including heavy equipment dealers, engine rebuilders, and parts distributors across North America, Europe, Southeast Asia, and the Middle East.

Key Features & Benefits

• Precision Engineering: Cast from high-grade alloy iron for superior strength and thermal stability under extreme operating conditions.
• Direct OEM Replacement: Drop-in fit for Kubota V2003 engines, matching all critical dimensions and bolt patterns.
• Enhanced Durability: Hardened valve seats and guides resist wear from high-temperature combustion cycles.
• Leak-Free Performance: Precision-machined sealing surfaces ensure a perfect gasket seal, preventing coolant and compression leaks.
• Rigorous Testing: 100% pressure-tested for cracks and porosity before shipment.

Technical Specifications

OEM Cross-Reference

This cylinder head directly replaces the following original Kubota part numbers:

• 1J860-03040 (Primary OEM Number)
• 1G796-03040 (Alternative OEM Number)

No additional modifications or adapter kits are required for installation.

Compatibility

Engine Applications:

• Kubota V2003 (Naturally Aspirated & Turbocharged variants)
• Kubota V2003-B (Industrial)
• Kubota V2003-T (Turbo)

Common Equipment:

• Kubota M-Series Tractors (e.g., M7040, M8540)
• Kubota KX-Series Excavators (e.g., KX121-3, KX161-3)
• Kubota RTV-X Series Utility Vehicles
• Kubota Diesel Generators & Pumps

Global Supply & Distribution

We offer worldwide shipping with competitive logistics solutions for B2B buyers. Our distribution network covers:

• North America: Fast delivery to Los Angeles, Houston, Chicago, and Toronto.
• Europe: Regular shipments to Rotterdam, Hamburg, and Antwerp.
• Asia-Pacific: Direct service to Singapore, Shanghai, and Tokyo.
• Middle East & Africa: Reliable delivery to Dubai, Jeddah, and Durban.

We maintain large stock volumes for high-demand parts like the V2003 cylinder head, ensuring lead times of 3-7 business days for most international orders.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001:2015 certified facilities.
• Warranty: 12-month warranty against manufacturing defects in materials or workmanship.
• Testing: Each cylinder head undergoes hydrostatic pressure testing (15 PSI for 3 minutes) and dimensional verification using CMM (Coordinate Measuring Machine).
• Certification: Material test reports available upon request.

FAQ

Q1: Will this cylinder head fit my Kubota V2003 engine that has a different serial number?
A: Yes, this part (1J860-03040/1G796-03040) is a universal replacement for all Kubota V2003 engine variants, regardless of serial number. Always verify your existing part number against our cross-reference list to confirm compatibility.

Q2: Do I need to replace the cylinder head gasket and bolts when installing this head?
A: Yes, we strongly recommend using new OEM-spec head gaskets and torque-to-yield bolts. The cylinder head sealing surface is pre-machined, but old gaskets and bolts can compromise the seal. We offer matching gasket kits separately.

Q3: What is the recommended valve clearance adjustment procedure after installation?
A: After installing the new cylinder head, set valve clearances to Kubota specifications: Intake 0.15mm (cold), Exhaust 0.20mm (cold). Re-torque cylinder head bolts in sequence after the first 20 hours of operation to ensure proper seating.

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 .