Product Overview

This high-performance K25 Valve Seat is engineered for durability and precision fitment in specific Nissan diesel engines. As a leading supplier in the heavy machinery aftermarket, we provide reliable engine components with global shipping capabilities, serving major industrial markets across North America, Europe, the Middle East, and Asia-Pacific.

Key Features & Benefits

• Premium Material: Manufactured from high-grade, heat-resistant alloy to withstand extreme combustion chamber temperatures and prevent wear.
• Precision Engineering: Machined to exact OEM specifications for a perfect seal, ensuring optimal compression and preventing valve leakage.
• Enhanced Durability: Designed for extended service life, reducing downtime and maintenance frequency for excavators and industrial equipment.
• Corrosion Resistance: Treated to resist oxidation and corrosion from fuel byproducts, maintaining integrity in harsh operating environments.

Technical Specifications

OEM Cross-Reference

This part is a direct replacement for the following OEM numbers:

• Nissan: 11099-FY500
• Nissan: 11098-FY500

It is compatible with other aftermarket references under the common designation K25.

Compatibility

This valve seat is designed for specific Nissan diesel engines commonly found in:

• Nissan Diesel industrial and marine engines.
• Compatibile engine models utilizing the K25 series valve train components.
• Applications may include power generation, construction machinery, and heavy-duty vehicles.

Note: Always verify your engine model and existing part number before purchase to ensure correct fitment.

Global Supply & Distribution

We specialize in international B2B logistics for engine components. Our streamlined export process ensures reliable delivery to key global markets.

• Worldwide Shipping: We ship to all major industrial regions, including North America (USA, Canada, Mexico), the European Union, the Middle East (UAE, Saudi Arabia), and Asia-Pacific (Australia, Singapore, Japan).
• Fast Delivery: Consolidated shipments to major ports and logistics hubs for efficient clearance and inland distribution.
• Export Expertise: All documentation (Commercial Invoice, Packing List, Certificate of Origin) is prepared in full compliance with international trade regulations.

Quality Assurance

Every component meets stringent quality control standards to ensure performance and reliability.

• Manufacturing Standards: Produced in ISO-certified facilities using precision CNC machinery.
• Rigorous Testing: Each batch undergoes dimensional checks and material composition verification.
• Warranty: Backed by a standard warranty against manufacturing defects. Contact our sales team for specific warranty terms applicable to your region.

FAQ

Q1: How do I confirm this valve seat is compatible with my Nissan engine?
A1: The surest method is to cross-reference the part number currently installed in your engine. Match it with our listed OEM numbers (11099-FY500 or 11098-FY500) or the K25 designation. You can also provide your engine model number to our technical support team for verification.

Q2: What is the typical lead time for delivery to Europe or North America?
A2: For standard B2B orders, delivery to major ports in Europe or North America typically takes 15-30 days via sea freight. Express air freight options are available for urgent requirements, with delivery in 5-10 business days. Exact timelines depend on final destination and customs processing.

Q3: Is this a single valve seat or sold as a set?
A3: This listing is for a single valve seat. For engine overhaul projects, we recommend replacing all valve seats in a cylinder head to ensure uniform performance and wear characteristics. Contact us for volume pricing on full sets.

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 .