Send OEM number, quantity, destination, or photos. We will reply with quotation, lead time, and fitment notes.
Fitment checkOEM number, engine model, and machine model confirmation.
Manual quotePrice, MOQ, stock, lead time, and replacement options.
Export supportPacking notes, mixed order support, and shipping details.
Product Details
Product Overview
This 13Z series diesel piston ring set is a critical engine component designed for high-performance excavator applications. Manufactured to meet or exceed OEM specifications, this piston ring set ensures optimal compression, oil control, and engine longevity. We provide global shipping to major markets including North America, Europe, Asia-Pacific, the Middle East, and South America, ensuring fast and reliable delivery to your industrial hub.
Key Features & Benefits
Superior Durability: Constructed from high-grade alloy cast iron and steel, engineered to withstand extreme combustion pressures and temperatures.
Optimized Oil Control: Advanced ring profile design reduces oil consumption and blow-by, enhancing overall engine efficiency.
Reduced Friction: Precision-machined surface finish minimizes cylinder wall wear, extending the service life of both the piston and liner.
OEM Standard Fitment: Direct replacement for original equipment, ensuring a perfect seal and immediate performance restoration.
Rigorous Testing: Each set undergoes stringent quality control checks for tensile strength, hardness, and dimensional accuracy.
Technical Specifications
Specification
Details
Part Type
Piston Ring Set
Series
13Z
Material
Alloy Cast Iron / Steel
Application
Diesel Engine Excavator Spare Parts
Ring Profile
Standard / Keystone / Taper Face (as per OEM spec)
Surface Treatment
Chrome / Molybdenum Coated
Oil Control Ring
3-Piece Coil Spring Loaded
Warranty
12 Months
OEM Cross-Reference
This piston ring set is designed as a direct replacement for the following OEM part numbers (please verify your specific engine application):
13Z-03021
13Z-03022
Alternative: 13Z-03023 (if applicable)
Note: Always confirm your engine model and existing part number before ordering. If your specific OEM number is not listed, please contact our sales team with your engine serial number for cross-reference assistance.
Compatibility
This 13Z piston ring set is compatible with a range of diesel engines commonly used in excavators and heavy machinery. Typical applications include:
Engine Models: 13Z series engines
Vehicle Types: Excavators, Bulldozers, Loaders, and other Construction Equipment
Year Ranges: Compatible with most models from the 2000s to present (verify specific engine configuration)
Global Supply & Distribution
We are a trusted supplier to the global aftermarket, offering:
Worldwide Shipping: Fast and reliable logistics to over 50 countries.
Major Markets Served: USA, Canada, Germany, Australia, UAE, Saudi Arabia, Singapore, South Africa, and more.
Industrial Hubs: Direct delivery to major ports (Rotterdam, Shanghai, Singapore, Houston) and industrial centers.
Export Experience: Over 10 years of international trade, ensuring compliant documentation and smooth customs clearance.
Quality Assurance
Manufacturing Standards: Produced in ISO 9001 certified facilities.
Testing Procedures: 100% dimensional inspection, hardness testing, and visual quality check before packaging.
Warranty: 12-month warranty against manufacturing defects, providing peace of mind for your operations.
FAQ
Q1: How do I verify this piston ring set fits my specific engine? A: Please check your current piston ring part number or your engine model and serial number. The 13Z series is a specific design; if your engine uses a different series (e.g., 4HK1 or 6WG1), this set may not be compatible. We recommend contacting our support team with your engine details for a precise fitment check.
Q2: What is the correct installation procedure for these rings? A: Installation should be performed by a qualified diesel mechanic. Key steps include: 1) Cleaning the piston ring grooves thoroughly. 2) Using a piston ring expander to avoid distorting the rings. 3) Staggering the ring gaps (typically 120 degrees apart) to minimize blow-by. 4) Ensuring the oil control ring expander is properly seated. Always refer to your engine’s service manual for specific torque and gap specifications.
Q3: What is the expected service life of these piston rings? A: The service life depends heavily on engine maintenance, operating conditions, and fuel quality. Under normal operating conditions, these high-durability rings can last 5,000 to 10,000 hours. Regular oil changes and using clean air filters will significantly extend their lifespan. We recommend inspecting the rings during any major engine overhaul.
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 .
Inquiry Form
Send Inquiry
Leave your email and phone / WhatsApp so sales can follow up directly.