Product Overview

This is a genuine, high-performance piston ring set, manufactured to exacting Japanese OEM standards. Designed for durability and optimal engine sealing, it is an essential component for engine rebuilds and overhauls. We supply this part globally to workshops, distributors, and fleet operators in major markets worldwide, ensuring reliable performance for demanding commercial and industrial applications.

Key Features & Benefits

• Genuine Quality: Manufactured with premium materials to ensure exact fitment and long-term reliability, matching original equipment performance.
• Superior Sealing: Engineered to maintain optimal cylinder compression, reduce blow-by, and improve fuel efficiency.
• Enhanced Durability: Precision machining and advanced heat treatment provide excellent wear resistance, extending engine service life.
• Reduced Oil Consumption: Precisely designed oil control rings help maintain proper lubrication while minimizing oil burn-off.
• Restored Engine Power: Correct installation restores factory compression levels, leading to regained horsepower and torque.

Technical Specifications

OEM Cross-Reference

This genuine part number corresponds directly to the following OEM references. It is a direct replacement for these numbers:

• 8-94390529-2 (Primary)
• 8943905292
• 8-94390-529-2

Note: Always verify the specific part number stamped on your original component or consult your engine manual before ordering to ensure correct fitment.

Compatibility

This piston ring set is designed for specific Japanese diesel and gasoline engines. It is commonly used in industrial, marine, and automotive applications. To confirm exact compatibility, please cross-reference the part number with your engine’s service documentation or contact our technical support with your engine model and serial number.

Typical Applications May Include: Various models from Japanese manufacturers such as Isuzu, Hino, Mitsubishi, and others utilizing engines that specify this genuine part number.

Global Supply & Distribution

We are a leading B2B supplier of genuine engine components with extensive international logistics expertise.

• Worldwide Shipping: We export to all major markets including North America, Europe, Asia-Pacific, the Middle East, Africa, and South America.
• Fast Delivery Network: Efficient shipping to major industrial ports and logistics hubs worldwide via air and sea freight.
• Export Compliance: All shipments are handled with complete commercial documentation (Packing List, Commercial Invoice, Certificate of Origin) in full compliance with international trade regulations.
• Bulk & Wholesale: Specialized support for large-volume orders, container shipments, and Just-In-Time delivery programs for distributors and large workshops.

Quality Assurance

We guarantee the authenticity and quality of every part we supply.

• Genuine Parts: Sourced directly from certified manufacturers, ensuring 100% authenticity.
• Rigorous Inspection: Each part undergoes visual and dimensional checks to verify it meets original specifications.
• Performance Warranty: Backed by a standard warranty against manufacturing defects, providing peace of mind for your investment.
• Packaging: Parts are supplied in original or OEM-equivalent packaging to prevent damage during transit and storage.

FAQ

Q1: How do I confirm this piston ring set will fit my engine?
A1: The most reliable method is to match the part number. Locate the number stamped on your original piston rings or find the specified part number in your engine’s official service manual. You can also provide our team with your engine’s model and serial number for verification.

Q2: Is this a complete set for one piston?
A2: Yes, this listing is for one complete piston ring set, which typically includes the compression rings and oil control ring required for a single piston. Please clarify quantity requirements when ordering for multi-cylinder engines.

Q3: What are the critical steps for installing these rings to ensure proper performance?
A3: Proper installation is key. Always ensure the cylinder bore is within specification, honed to the correct cross-hatch pattern, and thoroughly cleaned. Follow the manufacturer’s gap setting procedure for each ring, using a feeler gauge to check end-gap. Install rings with the markings facing upward as specified, and use a proper ring expander tool to avoid damage or twisting.

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 .