Product Overview

This premium Thermostat Housing and Water Outlet Pipe Assembly is engineered for Isuzu 4HK1 and 6HK1 diesel engines. Designed for durability and precise fitment, it is a critical component for maintaining optimal engine coolant flow and temperature regulation. We supply this high-quality replacement part globally, with extensive experience serving major markets across North America, Europe, Asia-Pacific, and the Middle East.

Key Features & Benefits

• Precision Engineered: Manufactured to exact OEM specifications for a perfect, leak-free fit and reliable performance.
• Robust Construction: Made from high-grade materials to withstand high temperatures and pressures within the cooling system.
• Ensures Engine Efficiency: Properly regulates coolant flow, helping to maintain the engine at its ideal operating temperature for maximum fuel efficiency and reduced wear.
• Direct Replacement: Designed as a complete assembly for straightforward installation, minimizing downtime for vehicles and machinery.
• Global Compliance: Produced for the international aftermarket, ensuring compatibility and reliability for export markets worldwide.

Technical Specifications

OEM Cross-Reference

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

• Isuzu: 8-94390520-1
• Isuzu: 8943905201

Always verify part number compatibility with your specific engine serial number before purchase.

Compatibility

This thermostat housing assembly is specifically designed for use with:

• Engine Models: Isuzu 4HK1-TC, 4HK1-TCN, 6HK1-TC, 6HK1-TCN diesel engines.
• Common Applications: Found in Isuzu commercial trucks, buses, and industrial power units from the late 1990s onward. Specific vehicle models include Isuzu Forward, Isuzu Giga, and various generator sets.

Global Supply & Distribution

We are a leading B2B supplier specializing in the global distribution of heavy-duty engine components. Our logistics network ensures efficient delivery to key industrial hubs and ports worldwide.

• Worldwide Shipping: We export to all major continents, including North America (USA, Canada, Mexico), South America, Europe (EU, UK), Asia-Pacific (Australia, Southeast Asia), the Middle East, and Africa.
• Fast Delivery: Consolidated shipments and established freight partnerships enable reliable delivery to major ports like Los Angeles, Rotterdam, Singapore, and Dubai.
• Export Expertise: All documentation, including commercial invoices, packing lists, and certificates of origin, is prepared to full international trade compliance standards for smooth customs clearance.

Quality Assurance

Our commitment is to provide reliable parts that meet the demands of the commercial vehicle and industrial sectors.

• Manufacturing Standards: Components are produced using precision tooling and strict quality control processes to match OEM dimensional and performance specifications.
• Rigorous Testing: Critical components undergo pressure and fitment testing to ensure integrity and functionality.
• Warranty: Backed by a standard warranty against manufacturing defects. Please contact us for specific warranty terms applicable to your region.

FAQ

Q: Is this a direct bolt-on replacement for my Isuzu 6HK1 engine?
A: Yes, this assembly is designed as a direct OEM replacement for the thermostat housing and water outlet pipe on 4HK1 and 6HK1 engines. Ensure you compare the part number (8-94390520-1 or 8943905201) with your original component before installation.

Q: Does this part include the thermostat and gaskets?
A: This listing is for the thermostat housing and water outlet pipe assembly itself. It typically does not include the internal thermostat or sealing gaskets. We recommend replacing the thermostat and using new gaskets during installation for a complete and reliable repair.

Q: What is the typical lead time for delivery to Europe?
A: For container or palletized B2B orders shipped to major European ports like Rotterdam or Hamburg, transit time is typically 25-35 days by sea freight. We also offer faster air freight options for urgent requirements. Please contact us for a precise quote based on your order volume and destination.

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 .