Product Overview

This is a genuine, high-quality Oil Check Valve designed for heavy-duty Isuzu diesel engines. Sourced directly from Japan, this critical component ensures reliable engine lubrication system performance. We specialize in global B2B supply, serving major markets across North America, Europe, Asia-Pacific, and the Middle East with efficient logistics to key industrial hubs and ports.

Key Features & Benefits

• Genuine Japanese Quality: Manufactured to original Isuzu specifications, ensuring perfect fit and optimal performance.
• Precision Engineered: Maintains correct oil pressure and prevents backflow, protecting vital engine components from wear and damage.
• Enhanced Durability: Constructed from high-grade materials to withstand high temperatures and pressures in demanding commercial vehicle applications.
• Reliable Engine Protection: A critical safeguard for the turbocharger and main bearings, extending overall engine life and reducing downtime.
• Direct Replacement: Designed as an exact OEM equivalent for hassle-free installation and immediate restoration of system integrity.

Technical Specifications

OEM Cross-Reference

This genuine part corresponds directly to the following OEM numbers:

• Isuzu: 8-97329618-0
• Isuzu (Alternate Format): 8973296180

Compatibility

This oil check valve is engineered for Isuzu mid-range and heavy-duty diesel engines, commonly found in trucks, buses, and industrial equipment.

• Engine Models: Isuzu 4BD1, 6BD1, 4HK1, 6HK1.
• Vehicle Applications: Fits various Isuzu truck models (e.g., FSR, FTR, GVR, NPR, NQR) and buses equipped with the above engine series. Also compatible with industrial and generator set applications.
• Typical Year Ranges: Applications from the late 1980s through the 2000s, depending on the specific engine and market. Please verify against your engine serial number for confirmation.

Global Supply & Distribution

We are a trusted partner for automotive parts distributors and workshop networks worldwide. Our streamlined export process ensures reliable delivery to your location.

• Worldwide Shipping: We export to all major continents via air and sea freight.
• Key Markets Served: North America (USA, Canada, Mexico), European Union, United Kingdom, Australia, Southeast Asia, Middle East, Africa, and South America.
• Efficient Logistics: Fast dispatch to major global ports including Los Angeles, Rotterdam, Singapore, Dubai, and Sydney. We handle all export documentation and compliance.
• B2B Expertise: Dedicated support for bulk orders, with experience in international trade regulations and customs clearance.

Quality Assurance

Every part is supplied with full quality guarantees to meet the demands of professional B2B trade.

• Manufacturing Standard: Produced under strict Japanese quality control systems, meeting or exceeding original Isuzu engineering specifications.
• Certification: Supplied as genuine Isuzu parts, ensuring traceability and authenticity.
• Warranty: Backed by a standard warranty against manufacturing defects. Contact us for specific warranty terms applicable to your region.
• Testing: Components undergo rigorous factory testing for pressure tolerance, sealing integrity, and dimensional accuracy.

FAQ

Q1: How do I confirm this valve fits my specific Isuzu 6BD1 engine?
A1: The most reliable method is to cross-reference your engine’s serial number and the existing part number on the valve you are replacing. This part (8-97329618-0) is the standard check valve for the 4BD1/6BD1/4HK1/6HK1 engine families. Please compare it with your old unit or consult your engine’s parts manual.

Q2: What is the function of the oil check valve in these engines?
A2: The oil check valve, or pressure relief valve, is a critical safety component in the lubrication system. It maintains stable oil pressure to the turbocharger and main bearings after engine shutdown, preventing oil drain-back and ensuring immediate lubrication upon startup, which prevents dry starts and severe component wear.

Q3: Do you provide technical support for international workshop clients?
A3: Yes. We provide basic technical data sheets and compatibility information to assist our B2B clients. For complex installation queries, we recommend consulting the official Isuzu service manual. Our support team is available to help with order logistics and part identification.

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 .