Product Details

Product Overview

This high-quality engine valve set is specifically designed for the Kubota D1803 diesel engine. The set includes one intake valve (OEM: 11254-2028) and one exhaust valve (OEM: 11254-2029). Manufactured to meet or exceed OEM specifications, these valves ensure optimal engine performance, compression, and longevity. As a global supplier, we serve major markets including North America, Europe, Asia-Pacific, the Middle East, and South America, offering reliable shipping to industrial hubs and ports worldwide.

Key Features & Benefits

• Precision Engineering: Manufactured to strict tolerances for a perfect seal and optimal engine compression.
• Superior Durability: Constructed from heat-resistant steel alloys to withstand extreme combustion temperatures and pressures.
• Enhanced Performance: Ensures efficient gas flow, improving fuel economy and reducing emissions.
• Direct Fitment: Designed as a direct OEM replacement for Kubota D1803 engines, ensuring easy installation without modifications.
• Rigorous Testing: Each valve undergoes quality checks for hardness, concentricity, and surface finish to guarantee reliability.

Technical Specifications

OEM Cross-Reference

This valve set directly replaces the following OEM part numbers:

• Intake Valve: 11254-2028
• Exhaust Valve: 11254-2029

These are genuine Kubota reference numbers. No additional cross-references are available for this specific set.

Compatibility

This valve set is specifically designed for the following engine model:

• Kubota D1803 (Naturally Aspirated and Turbocharged variants)

Common Applications: This engine is typically found in Kubota tractors (L, M series), excavators (U series), generators, and industrial machinery. Please verify your engine model and serial number to ensure compatibility.

Global Supply & Distribution

• Worldwide Shipping: We offer reliable shipping via air, sea, and express couriers (DHL, FedEx, UPS, TNT).
• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Netherlands), Asia-Pacific (Japan, Australia, South Korea), Middle East (UAE, Saudi Arabia), and South America (Brazil, Argentina).
• Fast Delivery: Stock is ready for dispatch from our warehouses to major ports (Rotterdam, Shanghai, Los Angeles, Jebel Ali) and industrial centers within 24-48 hours.
• Export Expertise: Our team has extensive experience in international trade, customs documentation, and compliance, ensuring a smooth transaction for B2B buyers.

Quality Assurance

• Manufacturing Standards: Produced in an ISO 9001:2015 certified facility, ensuring consistent quality control.
• Warranty: Comes with a standard 12-month warranty against manufacturing defects.
• Testing: Each valve is tested for dimensional accuracy, material hardness, and surface integrity before packaging.

FAQ

Q1: Are these valves a direct replacement for my Kubota D1803 engine?

A: Yes, these valves (11254-2028 & 11254-2029) are designed as direct OEM replacements for the Kubota D1803 engine. They match the original specifications for stem diameter, head size, and overall geometry. No modifications are required for installation.

Q2: What is the recommended installation procedure for these valves?

A: Professional installation is recommended. Ensure the valve guides are in good condition and within wear limits. Apply engine assembly lube to the valve stems before installation. Always use new valve stem seals and follow the manufacturer’s torque specifications for the rocker arm assembly. After installation, perform a compression test to verify a proper seal.

Q3: Can I use these valves in a turbocharged D1803 engine?

A: While this set is suitable for both naturally aspirated and some low-boost turbocharged variants of the D1803, we recommend verifying your engine’s specific requirements. For high-boost or high-performance applications, please contact our technical team to confirm if a heavy-duty valve is more appropriate. In standard applications, these valves perform reliably.

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 .