Product Overview

This K25 Rocker Arm Assembly (Part Number: 13251-FY500) is a precision-engineered valve train component designed for the reliable repair and maintenance of Nissan K25 diesel engines. As a leading supplier in the global aftermarket, we provide this critical assembly to B2B clients worldwide, including major markets in North America, Europe, the Middle East, and the Asia-Pacific region. It is engineered to restore optimal valve timing and engine performance in demanding applications.

Key Features & Benefits

• OEM-Spec Precision: Manufactured to exact OEM dimensions and tolerances, ensuring a perfect fit and seamless integration with your K25 engine block.
• Enhanced Durability: Constructed from high-grade materials to withstand the high-stress environment of diesel valve trains, offering extended service life and reduced downtime.
• Optimized Engine Performance: Ensures precise valve actuation for optimal combustion, fuel efficiency, and power output in industrial and commercial applications.
• Comprehensive Quality Validation: Each assembly undergoes rigorous machinery testing and video-recorded outgoing inspections to guarantee performance and reliability before shipment.
• Global Logistics Support: Packaged securely for international shipping and backed by our extensive export experience to ensure timely delivery to ports and industrial hubs worldwide.

Technical Specifications

OEM Cross-Reference

This assembly is a direct replacement for the OEM part number 13251-FY500. Our OEM service is available for custom requirements and bulk orders.

Compatibility

This rocker arm assembly is specifically designed for Nissan K25 diesel engines. It is suitable for a wide range of heavy-duty applications, including:

• Construction Machinery: Excavators, loaders, bulldozers.
• Industrial & Agricultural Equipment: Pumps, compressors, tractors, harvesters.
• Power Generation: Gensets and standby power units.
• Marine: Auxiliary marine engines.
• Material Handling: Forklifts and port equipment.

Global Supply & Distribution

We are a trusted partner for engine parts distributors and repair workshops across the globe. Our established supply chain ensures efficient shipping to key industrial regions:

• Major Markets Served: North America (USA, Canada, Mexico), European Union (Germany, UK, Poland, Italy), Asia-Pacific (Australia, Japan, Singapore), Middle East (UAE, Saudi Arabia), and South America.
• Fast Delivery: We prioritize shipments to major international ports such as Los Angeles, Rotterdam, Singapore, and Jebel Ali, with reliable inland logistics partners.
• Export Compliance: All documentation, including test reports and certificates of origin, is provided to ensure smooth customs clearance worldwide.

Quality Assurance

Our commitment to quality is integral to our manufacturing process, providing you with reliable parts you can trust.

• Manufacturing Standards: Produced in ISO-certified facilities using advanced CNC machinery and strict quality control protocols.
• Testing & Inspection: Every batch undergoes a detailed machinery test report, and a video outgoing-inspection is provided for traceability and transparency.
• Warranty: Backed by a solid 6-month warranty against manufacturing defects, supporting your business with confidence.

FAQ

Q: Is this rocker arm assembly a direct bolt-on replacement for my Nissan K25 engine?
A: Yes. This 13251-FY500 assembly is manufactured to OEM specifications, ensuring it is a direct fit without requiring modifications. Always verify your engine’s specific sub-model and serial number for complete compatibility.

Q: What is included in the quality inspection process before shipment?
A: Each unit is subject to dimensional accuracy checks, material hardness testing, and functional validation. A machinery test report is generated, and we provide a video outgoing-inspection upon request, documenting the part’s condition prior to packing.

Q: Do you support bulk orders for large-scale repair projects or distribution?
A: Absolutely. We specialize in B2B bulk orders and offer competitive pricing, customized packaging, and dedicated logistics support for large shipments to meet the needs of distributors and major repair facilities globally.

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 .