High-Performance Cooling Solutions
for All Vehicle Types
Japanese Radiators, Heaters & Intercoolers
for Passenger Cars and Heavy-Duty Trucks
Our OE-quality aluminum radiators for passenger cars deliver outstanding thermal efficiency and corrosion resistance. Compatible with popular models from Toyota, Nissan, Honda, Hyundai, and more, they ensure long-lasting engine performance and reliable cooling in all driving conditions.
LUNACO JAPAN is a trusted Japanese manufacturer and exporter of OEM-grade aluminum radiators, intercoolers, and engine heaters engineered for passenger cars, heavy-duty trucks, and construction machinery. Backed by ISO 9001 and TS16949 certification, we deliver durable, thermally efficient cooling solutions to global automotive distributors, OEM factories, and aftermarket professionals.
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As a leading supplier of advanced heat exchange technology, we are committed to developing eco-friendly and sustainable thermal solutions for the EV era. Our mission is to become the world's No.1 in heat exchanger manufacturing by delivering innovative thermal energy conversion systems that contribute to a cleaner environment and a sustainable future.
LUNACO JAPAN Co., Ltd. is a trusted exporter and international trading company headquartered in Tokyo, Japan. We specialize in automotive engine cooling systems, offering a wide range of OE-quality radiators, condensers, and intercoolers for passenger vehicles, commercial trucks, and construction equipment. Our mission is to provide global clients with high-performance, precision-engineered cooling components backed by competitive pricing and reliable service.
Why Choose LUNACO JAPAN?
Commitment to Quality
We are dedicated to providing reliable and efficient radiator systems for gasoline, diesel, and hybrid vehicles.
Every product undergoes double quality inspections prior to shipment, ensuring consistent performance and customer satisfaction.
Drive performance with LUNACO JAPAN.
Contact us today to discover trusted radiator solutions with fast shipping and global support.
LUNACO JAPAN supplies a wide range of **engine cooling solutions**, trusted by clients across the globe. Our products are compatible with **passenger cars, commercial trucks, and construction machinery**, covering more than 95% of the global aftermarket. In this section, we introduce our key cooling system components — **radiators, condensers, intercoolers, and oil coolers** — all designed for durability, efficiency, and OE-level performance.
Our OE-quality aluminum radiators for passenger cars deliver outstanding thermal efficiency and corrosion resistance. Compatible with popular models from Toyota, Nissan, Honda, Hyundai, and more, they ensure long-lasting engine performance and reliable cooling in all driving conditions.
Our heavy-duty radiators for trucks and commercial vehicles are engineered for extreme performance under high-load and long-distance driving. Featuring reinforced core construction and high-capacity cooling, they are ideal for logistics fleets, freight trucks, and construction transport in hot or rugged environments.
Durable radiators for construction equipment such as excavators, loaders, and forklifts ensure maximum heat dissipation in harsh working conditions. Designed for reliability, they help prevent engine overheating and maintain stable machine performance on demanding job sites.
Our high-performance AC condensers and transmission oil coolers are designed to optimize air conditioning and drivetrain efficiency. Suitable for passenger vehicles, trucks, and SUVs, they offer superior thermal control and extended system life in diverse environments.
Q = K × A × ΔTm
One of the most critical factors affecting radiator performance is the heat transfer coefficient (K-value).
The K-value is determined by two key parameters: α (convective heat transfer coefficient) and λ (thermal conductivity).
The thermal conductivity λ depends on the material, while the convective heat transfer coefficient α is influenced by the core geometry.
The value of α is a function of the Reynolds number, expressed as:
α = f(Re) where Re is the Reynolds number.
A car radiator is a key part of your vehicle’s cooling system.
Its job is to keep the engine from overheating by transferring heat from the coolant to the outside air. The actual heat dissipation is governed by the above formula. To enhance heat transfer efficiency, we focus on material selection, structural design, and tube configuration — delivering high-performance radiators with superior thermal efficiency.
As your engine runs, it produces intense heat due to friction and combustion.
The radiator works by transferring this heat away using coolant.
The coolant flows through thin aluminum tubes surrounded by cooling fins.
A radiator fan or the vehicle’s airflow helps dissipate the heat into the air.
The cooled liquid then circulates back to the engine — completing the cooling cycle.
Most modern vehicles use a water-cooled system that includes:
Finned tubes in the radiator help release heat efficiently into the air. This keeps the engine at the right operating temperature.
The radiator acts like an air conditioner for your engine. It keeps temperatures in check by removing heat from the coolant.
Flushing the radiator regularly helps maintain performance and prevents damage.
LUNACO JAPAN is a trusted exporter of OE-compliant, high-performance radiators, condensers, and oil coolers. Designed for passenger cars, commercial trucks, and heavy-duty construction machinery, our aluminum cooling systems deliver thermal stability, engine protection, and long service life — even under extreme working conditions.
Covering over 8,000 vehicle models, our radiators are trusted by global customers in Asia, Africa, the Middle East, Europe, and the Americas. Whether you need radiators for a Toyota passenger vehicle, Isuzu truck, or Caterpillar excavator, LUNACO JAPAN is your go-to B2B supplier.
With over a decade of experience in Japan’s aftermarket industry, LUNACO JAPAN works with ISO/IATF-certified factories to deliver radiators that match or exceed OE standards. Our radiators are made from high-grade aluminum alloy with precision-welded cores for superior heat dissipation and lightweight performance.
Key Features of LUNACO JAPAN Radiators
• Reinforced multi-louvered fins for maximum air contact
• High-pressure tested tanks and tubes (leak-proof guarantee)
• Compatibility with both manual and automatic transmission vehicles
• Pre-filled radiator cap and plug options for ready-to-install delivery
• Customized packaging with your brand (OEM/ODM available)
What is Aluminum Alloy Radiator Material?
Our radiators are built with AA3003/AA6061 aluminum grades, known for:
• High thermal conductivity: Effectively transfers heat from coolant to air
• Corrosion resistance: Withstands electrolysis and road salt
• Weight efficiency: Reduces vehicle load and enhances fuel economy
• Durability: Welded using TIG/MIG for long-term reliability
Radiator Applications by Vehicle Type:
• Passenger Cars: Toyota, Honda, Nissan, Hyundai, Kia – Compact, SUV, Sedan
• Trucks & Buses: Isuzu, Hino, Mitsubishi Fuso, UD Trucks – Long-haul, fleet vehicles
• Construction Equipment: Komatsu, Caterpillar, Kobelco, Hitachi – Excavators, Loaders, Forklifts
We ensure application-specific engineering to meet thermal demands across different sectors.
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LUNACO JAPAN operates ISO-certified engineering labs in Japan to conduct professional radiator testing, quality inspections, and performance evaluations.
📩 Contact LUNACO JAPAN today for an OEM radiator quote, bulk pricing, and fast worldwide delivery tailored to your vehicle market.
Trusted Worldwide for Engine Cooling Performance & OE Reliability
Proven Expertise with 10+ Years in the Industry
LUNACO JAPAN supplies OE-standard aluminum radiators, intercoolers, oil coolers, and heater cores
for passenger vehicles, commercial trucks, and construction equipment based on over a decade of experience in the automotive cooling system industry.
Consistent Quality and Competitive Wholesale Pricing
All our products are built using a unified mold system with strict control on tank-plate gap clearance to reduce leakage risks.
By sourcing materials from certified, long-term suppliers, we maintain stable production quality and ensure cost-effective solutions for our global partners.
Advanced Heat Dissipation and Structural Integrity
Innovation and Customization Support
Our patented inside-out brazing technology in oil coolers prevents coolant-oil contamination — a vital advantage for long-term use.
We offer full OEM/ODM support, including model-specific development and private label branding for clients worldwide.
Inventory Readiness & Global Delivery
With over 5,000 radiator part numbers in stock, our most popular models are available for shipment within 7 days.
Custom product manufacturing typically ships in 35–45 days.
Choosing LUNACO JAPAN means investing in quality, innovation, and dependable service. Deliver reliable cooling performance to your customers — partner with a trusted OEM-grade radiator supplier.
Extensive Range for Passenger Cars, Trucks & Construction Equipment
Engineered for Global Vehicle Applications
As a leading manufacturer of CV joints, drive shafts, and radiator systems, LUNACO JAPAN supplies OEM-quality components for a wide range of vehicles — including Japanese, Korean, European, and American brands. Each part undergoes 100% critical dimension inspection to ensure peak performance, safety, and long service life across all road and off-road conditions.
Aluminum radiators, heaters, and intercoolers are essential components of any modern vehicle cooling system. They are engineered to maintain optimal engine temperature, reduce the risk of engine overheating, and improve overall fuel efficiency.
These cooling parts are especially critical in heavy-duty trucks, construction machinery, and high-performance passenger cars, where heat regulation directly influences engine lifespan, performance stability, and long-term reliability.
Compared to traditional systems, aluminum-based heat exchangers offer superior thermal conductivity, a lightweight structure, and excellent corrosion resistance. These advantages make them ideal for both on-road and off-road applications.
Without proper cooling, engines are at high risk of thermal damage, performance degradation, and increased fuel consumption. That’s why routine inspection and timely replacement of radiators, intercoolers, and heater units is essential for maintaining engine efficiency and safety.
Aluminum Radiator / Intercooler / Heater Core Explained
The radiator core is the main section of the vehicle’s engine cooling system. It consists of aluminum tubes and multi-louvered fins that help dissipate heat from the coolant into the outside air. Efficient heat release is essential to prevent engine overheating and maintain optimal vehicle performance, especially during long drives and high-load conditions.
Intercoolers are crucial in turbocharged and supercharged engines to cool down compressed intake air before it enters the combustion chamber. This process increases air density, allowing for more efficient combustion, which improves engine power output and fuel economy. We supply both air-to-air and air-to-liquid intercoolers designed for passenger vehicles and commercial-grade trucks.
The heater core acts as a compact radiator that uses engine coolant to deliver warm air into the cabin. This is essential for driver and passenger comfort in cold weather, and it also plays a key role in defogging the windshield. Our high-quality aluminum heater cores ensure fast heat transfer, energy efficiency, and durability in all climates
Whether you operate a passenger vehicle, long-haul truck, or construction machine, a high-quality cooling system is essential for engine safety, efficiency, and durability. Using aluminum radiators and intercoolers ensures optimal heat dissipation under all operating conditions.
LUNACO JAPAN partners with trusted Japanese and international manufacturers to deliver a wide range of OE-grade aluminum radiators, intercoolers, and heater cores. Our lineup supports leading vehicle brands such as Toyota, Nissan, Hino, Isuzu, Mitsubishi, and heavy equipment from Komatsu and Caterpillar.
In addition to custom radiator models, we provide sourcing and export logistics services for Japanese domestic aftermarket parts. Please contact us for product availability, minimum order quantities (MOQ), and international shipping eligibility.
Let us know your vehicle model, part specifications, or OE reference number, and we’ll recommend the most suitable solution — with competitive pricing and full export support.
If you're unable to send an inquiry using the link above, please contact us directly at the email address below.
Aluminum Radiators • Intercoolers • Heaters
Lightweight, corrosion-resistant **aluminum radiators** designed for **compact cars, sedans, SUVs**, and hybrids. Ensures optimal cooling and engine efficiency.
Built for **long-haul and high-load environments**, our **heavy-duty radiators** feature reinforced cores and harmonica tubing for **maximum heat dissipation** under pressure.
**Air-to-air** and **air-to-liquid intercoolers** engineered for **turbocharged and supercharged engines**, enhancing performance and fuel efficiency.
Durable **aluminum heater cores** providing reliable **cabin heating and defogging** in passenger cars and light-duty trucks.
Custom-built cooling systems for **excavators, forklifts, and loaders**, designed to withstand **dust, shock, and extreme temperatures**.
We support **OEM/ODM manufacturing**, offering custom radiator and intercooler solutions certified under **ISO 9001 / TS16949** standards.
OE Quality Drive Shafts
Precision-engineered for durability and optimal performance.
Engineered to meet OEM standards for superior performance and reliability.
Designed for high-performance applications with exceptional reliability..
OE-Quality Radiators, Intercoolers & Oil Coolers
Precision-engineered air-to-air intercooler for efficient temperature reduction and enhanced performance.
Built to OEM standards, this oil cooler ensures consistent thermal regulation for extended engine life and performance.
Designed for high-performance cooling with exceptional durability across diverse road and climate conditions.
Aluminum Radiators • Intercoolers • Heaters
Lightweight and corrosion-resistant with OE specs. Designed for compact cars and sedans.
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Boosts intake air density and cooling performance for turbocharged and supercharged systems.
Reinforced with harmonica-core tubing for durability under extreme heat and load.
Explore our product gallery of aluminum radiators, intercoolers, and heaters — engineered for high performance and designed to meet OE standards at competitive prices.
Can't find the right radiator or intercooler for your car, truck, or construction equipment?
LUNACO JAPAN provides a comprehensive supply network with a wide range of aluminum radiators, heater cores, and intercoolers engineered for performance, durability, and fitment accuracy.
We also handle custom-built, rare, and OE-spec cooling system components for global applications.
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If you are experiencing issues sending an inquiry via email, please contact us directly using the email address below.
| Item | Description |
|---|---|
| Warranty | 12 Months |
| Place of Origin | Japan, China, India, Taiwan |
| Purpose | OEM / ODM / Replacement / Repair (Aftermarket) |
| Condition | Brand New |
| Brand Name | LUNACO JAPAN |
| Material | Aluminum Core with Plastic Tanks |
| Type | Brazed Radiator |
| MOQ | 30 PCS |
| Test | 100% Leak Tested |
| Certification | ISO / TS Certified |
| Car Fitment | Model | Year | Engine |
|---|---|---|---|
| Toyota | INNOVA I (_N4_) | 2003– | 2.5 D (KUN40_) |
| Toyota | INNOVA I (_N4_) | 2003– | 2.0 (TGN40_) |
| Toyota | INNOVA I (_N4_) | 2003– | 2.7 (TGN41_) |
| Toyota | Camry | 2011–2016 | 2.0 |
| Toyota | Camry | 2011–2016 | 2.5 Hybrid |
| Toyota | Camry | 2017–2019 | 3.5 |
| Toyota | Camry | 2017–2019 | 2.5 |
| Toyota | COROLLA | 2009–2013 | 2.4L |
| Toyota | COROLLA | 2014–2016 | 2.0 VVT-i |
| Toyota | COROLLA | 2010–2016 | 2.0 VVT-i |
| Toyota | COROLLA | 2010–2016 | 1.8 |
| Toyota | Tacoma | 1995–2016 | 2.7L |
| Toyota | Tacoma | 1995–2019 | - |
| Toyota | Tacoma | 2005–2015 | 4.0L |
| Toyota | c-hr | 2018–2019 | - |
| Toyota | CROWN | 1980–1983 | 2.8 |
| Toyota | CROWN | 2012–2016 | 2.5 Hybrid |
| Toyota | CROWN | 2012–2016 | 3.5 V6 |
| Toyota | Rav 4 | 2015–2016 | 2.5 Hybrid |
| Toyota | Rav 4 | 2015–2016 | 2.0 VVT-i 4WD |
| Toyota | Rav 4 | 2012–2016 | 2.2 D-4D 4WD |
| Toyota | Rav 4 | 2008–2016 | 2.0 4WD |
| Toyota | Rav 4 | 2013–2016 | 2.0 D-4D 4WD |
| Toyota | FORTUNER | 2010–2015 | 4.0 VVT-i |
| Toyota | FORTUNER | 2015–2016 | 2.7 |
| Toyota | FORTUNER | 2015–2016 | 2.4 D |
| Toyota | FORTUNER | 2015–2016 | 2.8 D |
| Toyota | VIOS | 2002–2008 | 1.5 |
| Toyota | PICKUP | 1988–1995 | 3.0L |
| Toyota | Land Cruiser | 2008–2016 | 5.7L |
A vehicle’s engine performance and lifespan depend heavily on the efficiency of its cooling system. At the heart of this system is the aluminum radiator, designed to disperse excess engine heat effectively.
Our radiators feature multi-louvered fins and high-performance aluminum cores, ensuring optimal airflow and rapid heat transfer. Whether for a passenger car, heavy-duty truck, or construction machine, a reliable radiator is vital for:
Why Aluminum?
Compared to traditional copper or plastic systems, aluminum radiators offer:
Maintenance Tip: Regular inspection and timely replacement are critical to avoid coolant leaks, pressure loss, and costly downtime in commercial fleets.
If you are experiencing issues sending an inquiry via email, please contact us directly using the email address below.
Enhance engine cooling, fuel efficiency, and vehicle reliability. Contact us today for customized radiator and heat exchanger solutions.
A showcase of premium aluminum cooling system components supplied by LUNACO JAPAN.
Discover our top brake rotor selections—designed for quality, safety, and performance.
Engineered to meet or exceed OE standards, ensuring reliable braking performance and extended service lifeunder demanding driving conditions.
Designed for enhanced heat dissipation and reduced brake fade, delivering maximum performance under demanding driving conditions.
Features a protective anti-corrosion coating to extend rotor life, ensuring durability and clean appearance in harsh environments.
Engineered for Superior Durability, Precision Fit, and Long-Term Reliability
LUNACO JAPAN Auto Parts Co., Ltd. specializes in manufacturing and supplying high-performance wheel bearings and hub assemblies for a wide range of automotive applications. Through our global platform, 4WheelerHubandCVJoint.com, we deliver OE-quality parts with precision engineering to meet the needs of the aftermarket industry.
Based in Tokyo, Japan, all products are subjected to rigorous pre-shipment inspections by our experienced quality assurance team. We are committed to zero-defect shipping and reliable delivery to international markets.
Our components are built for durability, load resistance, and rotational accuracy, helping improve vehicle performance and reduce maintenance frequency. Suitable for both passenger cars and commercial vehicles.
Our customer-focused team offers personalized support and flexible solutions
to accommodate OEM/ODM requirements.
Whether you're sourcing for retail, fleet service, or aftermarket distribution,
we ensure fast response times, clear communication, and technical guidance.
Trust LUNACO JAPAN for precision-engineered wheel bearing and hub assembly solutions
that enhance safety, efficiency, and long-term performance.
If you are experiencing issues sending an inquiry via email, please contact us directly at the email address below.
High-Performance Cooling Components for Cars, Trucks & Heavy Machinery
Advanced Manufacturing:
Our radiators and intercoolers are produced using precision aluminum brazing
and multi-louvered fin technology to ensure maximum thermal efficiency
and optimal heat dissipation.
Tailored Solutions:
We provide custom-built radiator and intercooler configurations
designed specifically for passenger vehicles, commercial trucks,
and off-road construction machinery.
OEM-Grade Reliability:
All units are manufactured in ISO 9001 / IATF 16949 certified facilities
and are leak-tested under air pressure to guarantee product integrity
and long-term performance.
At LUNACO JAPAN, we deliver scalable, cost-effective cooling solutions that withstand high-temperature and high-load environments. Whether replacing OE components or sourcing large quantities for distribution, you can count on our engineering precision and global support.
Many automotive cooling components serve different purposes yet are often confused—especially the radiator, intercooler, and heater core. Each plays a vital role in ensuring **engine efficiency, performance, and driver comfort**.
What is a Radiator?
A radiator is a heat exchanger that removes excess heat from the engine coolant, preventing the engine from overheating. Aluminum radiators are lightweight, corrosion-resistant, and ideal for **cars, trucks, and heavy machinery**.
What is an Intercooler?
An intercooler cools the compressed air from a turbocharger or supercharger before it enters the engine. This improves air density, combustion efficiency, and **overall engine power**, especially in **turbo diesel trucks**.
What is a Heater Core?
A heater core transfers engine heat into the cabin, providing warm air for the interior and defrost systems. Aluminum heater cores offer long-lasting performance and are often used in **modern passenger vehicles**.
What’s the Difference Between a Radiator and an Intercooler?
While both are heat exchangers, the radiator cools the engine coolant, and the intercooler cools the intake air
Once your order is placed, we cannot make changes to the product details. Please confirm the correct part number and compatible vehicle model before proceeding.
Product Warranty
The standard warranty for our products is 1 year from the purchase date.
If defects are confirmed through our inspection, we will provide a replacement product.
Warranty Does Not Cover the Following Costs:
Warranty Exclusions:
If you are unsure about vehicle compatibility, feel free to contact us. We are happy to assist with OE number verification and vehicle confirmation.
If you receive an incorrect product, please contact us within 7 days of delivery. Claims after this period cannot be accepted.
If you don’t find your question here, please feel free to contact us. We’re happy to assist you.
We can identify the correct radiator using the OE part number, technical drawings, product dimensions, or the vehicle’s make and model. Providing any one of these details is usually enough.
Quality is our top priority. Every unit undergoes a two-step inspection process at our dedicated testing facility, ensuring compliance with performance and durability standards.
We offer full in-house production, a professional R&D team, and constant product innovation. This enables us to provide high-quality, cost-effective solutions tailored to market needs.
We offer branded, neutral, or fully customized packaging options. All packaging is designed for international shipping and brand presentation.
Our standard MOQ is 30 pieces per model, but this may vary depending on specifications. Please contact us for flexible arrangements.
Absolutely. Sample orders are welcome so you can evaluate our quality, fitment, and service before committing.
Yes, our products are backed by a warranty. In case of any issue, we provide responsive and solution-oriented support.
Our standard terms are FOB USD via T/T (Telegraphic Transfer) with prepayment required before shipment.
High-Quality Suspension Ball Joints & Components
Our premium aluminum radiators, intercoolers, and heater cores are engineered with advanced thermal technology and high-durability materials, delivering maximum cooling efficiency and performance in the most demanding environments.
We offer a comprehensive range of OEM-standard and custom-fit cooling solutions tailored for passenger vehicles, heavy-duty trucks, and construction machinery.
Partner with LUNACO JAPAN for proven engine protection, improved fuel efficiency, and long-lasting operational reliability — backed by trusted Japanese manufacturing quality.
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※All images, tables, and illustrations on this site are for reference only.
Please confirm dimensions, fitting specs, color, material, design, and OE number before ordering.
⚠ No production or shipment will begin until payment is confirmed. Please verify all specs before ordering.
※Las ilustraciones y fotos en este sitio son solo de referencia.
Confirme dimensiones, medidas de montaje, color, material, diseño y número OE antes de ordenar.
⚠ No se realizará producción ni envío sin el pago confirmado. Verifique bien los datos antes de ordenar.
If you experience issues sending an inquiry via email,
please contact us directly at the address below.
Convenient access via JR & subway. Meeting room is near JR Shibuya Station.
**5-minute walk from JR Yamanote Line Shinjuku Station**.
**No parking available**. Please use nearby parking facilities.