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Product Details
Product Overview
This is a premium quality 4BD1T Piston Ring Set manufactured by MAHLE, a globally recognized leader in engine component technology. Designed specifically for the Isuzu 4BD1T diesel engine, this piston ring set is a critical replacement part for maintaining compression, controlling oil consumption, and ensuring optimal engine performance.
The set is commonly used in the SK60 excavator, a popular compact excavator model that relies on the robust Isuzu 4BD1T powerplant. This product is a direct OEM replacement, carrying the OEM number 5-12121-004-2, ensuring a precise fit for your engine rebuild or repair project. Each ring is manufactured to MAHLE’s exacting standards for durability and thermal stability, making it an ideal choice for heavy-duty applications in construction and earthmoving equipment.
Key Features & Benefits
MAHLE OEM Quality: Manufactured by MAHLE, a top-tier OE supplier, ensuring superior material composition and dimensional accuracy.
Exact Fit for Isuzu 4BD1T: Engineered specifically for the Isuzu 4BD1T diesel engine, providing perfect ring-to-groove and ring-to-cylinder wall fitment.
Optimized for Excavator Use: Designed to withstand the high stress, variable loads, and extended operating hours typical of excavator applications like the SK60.
Reduced Oil Consumption: Advanced ring profile design minimizes oil bypass, reducing consumption and extending service intervals.
Improved Compression & Power: Ensures a tight seal for maximum compression, resulting in better fuel efficiency and increased engine power output.
Durable Construction: Made from high-strength materials that resist wear and breakage, even under high-temperature operating conditions.
100% New Condition: This is a brand new, unused piston ring set, eliminating the risks associated with used or remanufactured parts.
Technical Specifications
Specification
Detail
Part Number
4BD1T
OEM Number
5-12121-004-2
Type
Piston Ring Set
Engine Model
Isuzu 4BD1T
Engine Type
Diesel
Application
Engineering Machinery Engine (Excavator)
Excavator Model
SK60
Condition
100% New
Quality Grade
Top / Premium
Packing
MAHLE Branded Packaging
Weight (approx.)
5 kg (includes packaging)
Place of Origin
Shanghai, China
OEM Cross-Reference
This piston ring set is a direct replacement for the following OEM part numbers. Please verify your existing part number for compatibility.
Isuzu OEM: 5-12121-004-2
Note: If your specific OEM number is not listed, please contact our support team with your engine serial number or original part number for cross-verification.
Compatibility
This piston ring set is specifically designed for the following applications:
Engine Model: Isuzu 4BD1T (Diesel)
Commonly Used For: SK60 Excavator
General Application: Engineering machinery and industrial diesel engines requiring the 4BD1T piston ring specification.
Important: Professional installation is recommended. Verify compatibility with your specific engine model and serial number before purchase.
Global Supply & Distribution
We maintain a robust global supply chain to ensure fast and reliable delivery to international buyers. Our products are shipped from our distribution hub in Shanghai, China, to major ports and industrial centers worldwide.
Major Markets Served: North America, Europe, Southeast Asia, Middle East, Africa, and Oceania.
Shipping Capabilities: Express courier (DHL, FedEx, UPS), air freight, and sea freight (LCL/FCL) available.
Fast Delivery: Standard processing time is 1-3 business days. Express shipping to major hubs (e.g., Los Angeles, Rotterdam, Dubai) typically takes 5-8 business days.
Trade Compliance: Experienced in international export documentation and customs clearance procedures.
Quality Assurance
We are committed to delivering only the highest quality components to our B2B partners.
Manufacturing Standard: MAHLE parts are manufactured to meet or exceed OE specifications.
Testing: New parts are subject to dimensional and visual inspection to ensure they meet strict quality criteria.
Warranty: Standard warranty applies against manufacturing defects. Please contact us for specific warranty terms.
After-Warranty Service: Online technical support is available to assist with fitment and installation questions post-sale.
FAQ
Q: Will this piston ring set fit my Isuzu 4BD1T engine from a different excavator model? A: This set is specifically designed for the Isuzu 4BD1T engine platform. While it is commonly used for the SK60 excavator, it should be compatible with any machine using that exact engine model, provided the bore size and ring specifications match. We recommend checking your engine’s serial number and comparing it to the OEM part number 5-12121-004-2 for a guaranteed fit.
Q: Do I need any special tools to install these piston rings? A: Yes, professional installation using a piston ring expander tool is strongly recommended to prevent damaging the rings during installation. You will also need a ring compressor tool to install the piston assembly into the cylinder bore. Proper ring end-gap clearance must be checked and adjusted according to the engine service manual.
Q: What is the typical lifespan of these MAHLE piston rings in an excavator application? A: The lifespan depends heavily on operating conditions, maintenance schedules, and fuel quality. In standard excavator use with proper maintenance (regular oil changes, clean air filters), MAHLE piston rings can last well over 5,000 to 8,000 hours. Harsh conditions or poor maintenance will reduce this lifespan. They are designed for high durability in heavy-duty cycles.
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