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Product Details
Product Overview
This high-quality piston ring set, identified by OEM numbers 5-12121-006-0 and 1-12121-052-0, is specifically engineered for the Isuzu 6BF1 diesel engine. As a critical component in the engine’s power assembly, this piston ring kit ensures optimal compression, oil control, and combustion efficiency for heavy-duty machinery.
Designed as a direct replacement part, this set is suitable for a wide range of industrial and construction equipment, including excavators, bulldozers, forklifts, loaders, trucks, and buses powered by the Isuzu 6BF1 engine. Manufactured to OEM size specifications, it provides a reliable fit and restores engine performance to factory standards. This part is ideal for maintenance and repair shops, equipment dealers, and fleet operators seeking a cost-effective alternative to genuine dealer parts without compromising on quality.
Key Features & Benefits
Precision Fitment: Manufactured to exact OEM dimensions (3.5*2.5*5mm) for the Isuzu 6BF1 engine, minimizing installation time and ensuring a perfect seal.
Durable Construction: Built from high-grade materials to withstand extreme combustion pressures and temperatures, offering extended service life compared to standard aftermarket rings.
Superior Oil Control: Engineered ring profile and surface treatment provide excellent oil scraping and control, reducing oil consumption and preventing carbon buildup.
Enhanced Compression: Optimized ring tension ensures consistent cylinder wall contact, restoring lost compression and improving engine power output and fuel efficiency.
B2B Confidence: Supplied with full machinery test reports and video outgoing inspection, providing buyers with verifiable quality assurance before shipment.
Direct OEM Replacement: Cross-references to multiple OEM numbers (5-12121-006-0, 1-12121-052-0, 5-12121-015-0) for easy identification and compatibility verification.
Technical Specifications
Specification
Detail
Product Name
Piston Ring Set
Engine Model
Isuzu 6BF1
Part Number
5-12121-006-0
Alternative Part Number
1-12121-052-0
OEM Number
5-12121-015-0
Piston Ring Size
3.5 x 2.5 x 5 mm
Engine Type
Diesel
Material
High-Grade Alloy Steel / Ductile Iron
Size Type
OEM Standard Size
Weight
1 kg (approx.)
Warranty
6 Months
Place of Origin
Guangdong, China
OEM Service
Available
OEM Cross-Reference
This piston ring set is a direct replacement for the following Isuzu genuine and OEM part numbers. Please verify your existing part number against this list before purchasing.
5-12121-006-0 (Primary Number)
1-12121-052-0 (Alternative Number)
5-12121-015-0 (Cross-Reference Number)
Note: This list is based on manufacturer data. Always confirm compatibility by matching the part number on your original ring or engine service manual.
Compatibility
This piston ring set is specifically designed for the Isuzu 6BF1 diesel engine. It is commonly used for the following machinery and vehicle types:
Excavators
Bulldozers
Forklifts
Wheel Loaders
Trucks & Buses
Industrial Generators
Disclaimer: Compatibility is inferred based on engine model application. We recommend checking your specific equipment’s engine model and original part number to ensure a correct fit.
Global Supply & Distribution
We offer worldwide shipping capabilities to support B2B buyers across the globe. Our logistics network ensures fast and reliable delivery to major ports and industrial centers, including:
North America: Los Angeles, Houston, Vancouver, Toronto
South America: Santos, Buenos Aires, Valparaiso
Europe: Rotterdam, Hamburg, Antwerp, Felixstowe
Asia-Pacific: Singapore, Shanghai, Tokyo, Sydney, Dubai
Africa & Middle East: Durban, Lagos, Jebel Ali, Jeddah
With extensive export experience and compliance with international trade standards, we provide professional documentation, including commercial invoices, packing lists, and certificates of origin, to ensure smooth customs clearance for our global partners.
Quality Assurance
We adhere to strict quality control measures throughout the manufacturing process. Each piston ring set is produced using advanced CNC machining and heat treatment processes to meet or exceed OEM specifications.
Testing: Every batch undergoes machinery test reports to verify dimensional accuracy, material hardness, and ring tension.
Inspection: Video outgoing inspection is provided upon request, allowing you to visually verify the product before shipment.
Warranty: This product is backed by a 6-month warranty against manufacturing defects, giving you peace of mind for your repair or inventory needs.
Certification: Production facilities are ISO-compliant, ensuring consistent quality and traceability.
FAQ
Q1: How can I confirm that this piston ring set will fit my specific engine?
A: The most reliable method is to compare the part number on your existing piston ring or service manual with the numbers listed above (5-12121-006-0, 1-12121-052-0, or 5-12121-015-0). Additionally, verify that your engine is the Isuzu 6BF1 model. If you have a different engine variant, please contact our sales team with your engine serial number for further cross-referencing.
Q2: What is the installation requirement for these piston rings?
A: These are OEM-size rings and require standard engine rebuilding procedures. It is critical to properly gap the rings to the cylinder bore specifications (typically 0.25-0.50 mm for top ring) and ensure the ring end gaps are staggered during installation. We recommend having the work performed by a qualified diesel mechanic. A professional cylinder hone or glaze breaker should be used to prepare the cylinder walls before installation.
Q3: Can I use these rings for an engine that has been bored over?
A: No. This product is specifically manufactured to OEM Standard Size. It is intended for engines with standard cylinder bore diameters. If your engine has been previously bored oversize (e.g., 0.25mm, 0.50mm, 1.00mm), you will require a corresponding oversize piston ring set. Please check your cylinder bore measurement before ordering.
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