Product Overview

This high-performance BD30 oil cooler is engineered for durability and optimal thermal management in demanding industrial and automotive applications. Designed as a direct replacement for Nissan diesel engines, it is a critical component for maintaining engine longevity and performance. We specialize in the global supply of heavy-duty engine parts, serving major markets across North America, Europe, Asia-Pacific, and the Middle East with reliable shipping and export compliance.

Key Features & Benefits

• Enhanced Cooling Efficiency: Precision-engineered core maximizes heat dissipation to maintain optimal oil temperature, preventing engine overheating and reducing wear.
• Robust Construction: Manufactured from high-grade materials to withstand high pressure and thermal stress, ensuring long service life in harsh operating conditions.
• Direct OEM Fitment: Designed to exact OEM specifications for a perfect, hassle-free installation without modifications.
• Leak-Resistant Design: Features high-integrity seals and robust fittings to prevent oil leaks and ensure system integrity.
• Performance Protection: Helps maintain oil viscosity and lubrication quality, directly contributing to extended engine life and reduced maintenance costs.

Technical Specifications

OEM Cross-Reference

This BD30 oil cooler is a direct cross-reference and replacement for the following OEM part numbers:

• Nissan: 21010-40K25
• Nissan: 21010-40K26

Always verify the part number stamped on your original component for correct fitment.

Compatibility

This oil cooler is designed for compatibility with a range of Nissan diesel engines, commonly found in:

• Nissan BD30 Industrial & Marine Diesel Engines
• Heavy-duty equipment and machinery powered by the Nissan BD30 platform
• Various generator sets, construction equipment, and industrial power units

Note: Compatibility can vary by specific engine serial number and equipment model. Consult your engine manual or contact our technical support for precise application verification.

Global Supply & Distribution

We are a trusted B2B supplier for heavy machinery parts with a robust international logistics network. Our capabilities include:

• Worldwide Shipping: Reliable export to all major continents and industrial hubs.
• Key Markets Served: North America (USA, Canada), European Union, United Kingdom, Australia, Southeast Asia, Middle East, and Africa.
• Efficient Logistics: Fast container (FCL/LCL) and air freight services to major ports and airports, including Rotterdam, Los Angeles, Singapore, and Dubai.
• Trade Compliance: All shipments are handled with complete commercial documentation (Invoice, Packing List, COO) and comply with international export regulations.

Quality Assurance

Every part in our catalog meets stringent quality standards to ensure reliability for your business.

• Manufacturing Standards: Produced in ISO-certified facilities using precision tooling and quality-controlled processes.
• Rigorous Testing: Components undergo pressure testing and dimensional checks to verify integrity and fit.
• Warranty: Backed by a standard warranty against manufacturing defects. Specific warranty terms are provided with the commercial invoice.
• Inspection: Available upon request for bulk orders to ensure complete satisfaction before shipment.

FAQ

Q1: How do I confirm this oil cooler fits my specific Nissan BD30 engine?
A1: The surest method is to cross-reference the part number. Locate the part number (typically 21010-40K25 or 21010-40K26) on your original oil cooler. Match it to our listed OEM numbers. You can also provide your engine’s model and serial number to our support team for verification.

Q2: What are the signs that my engine’s oil cooler needs replacement?
A2: Common indicators include engine oil mixing with coolant (resulting in a milky substance), external oil leaks around the cooler assembly, persistent engine overheating despite a functional radiator, or a noticeable drop in oil pressure.

Q3: Do you provide technical support or installation guidelines?
A3: Yes. We provide basic installation guidelines with the product. For complex installations, we recommend consulting the official engine service manual or utilizing a qualified diesel mechanic. Our technical team is available to answer specific pre-purchase fitment questions.

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 .