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Product Details
Product Overview
This high-quality replacement engine piston is specifically designed for the Isuzu 4JG1 and 4JG1T diesel engine platforms. Identified by the OEM part numbers 8972454150 and 8-97245415-0, this component is a critical part of the engine assembly, ensuring proper compression and efficient combustion.
Commonly used in heavy-duty construction machinery such as the Takeuchi TL140 compact track loader, the Hitachi ZX70 excavator, and the Multiquip DCA-45USJ generator, this piston is manufactured to meet or exceed original equipment standards. Whether you are performing a complete engine overhaul or replacing a damaged component, this piston offers a direct fit and reliable performance for your Isuzu-powered equipment.
Key Features & Benefits
OEM Exact Fitment: Manufactured to the exact specifications of OE numbers 8972454150 and 8-97245415-0, guaranteeing a precise fit without modification.
Durable Construction: Made from high-strength aluminum alloy with a cast-iron ring carrier, providing excellent thermal conductivity and resistance to wear under high-load diesel operation.
Multiple Size Options: Available in Standard (STD) size as well as Oversize options (0.25mm and 0.50mm), allowing for cylinder block reconditioning and extended engine life.
Engineered for Performance: Designed specifically for the Isuzu 4JG1 and 4JG1T diesel engines, ensuring correct compression ratio and piston-to-wall clearance for optimal power output.
Rigorous Quality Control: Each piston undergoes outgoing inspection and machinery testing to confirm dimensional accuracy and structural integrity before shipping.
Versatile Application: Suitable for a wide range of construction machinery including excavators, loaders, and generators, making it a versatile stock item for repair shops and dealers.
Technical Specifications
Specification
Details
Part Number
8972454150 / 8-97245415-0
Engine Model
Isuzu 4JG1, 4JG1T, 4JG2
Product Type
Engine Piston (Engine Assembly Parts)
Material
Aluminum Alloy / Cast Iron Ring Carrier
Size Options
Standard (STD), Oversize 0.25mm, Oversize 0.50mm
Weight
Approx. 1 kg per piece
Place of Origin
Guangdong, China
Warranty
6 Months / 12 Months (Option Dependent)
OEM Cross-Reference
This piston is a direct replacement for the following original equipment manufacturer numbers:
Isuzu OEM: 8972454150, 8-97245415-0
Please verify your existing part number against the list above to ensure compatibility before ordering.
Compatibility
This piston is specifically designed for the following engine models and applications:
Common Applications: Commonly used for Takeuchi TL140, Hitachi ZX70, and Multiquip DCA-45USJ. Also suitable for various other excavators, loaders, and generators powered by these Isuzu engine platforms.
Note: Always cross-reference your engine serial number and existing part dimensions to confirm fitment for your specific machine model and year.
Global Supply & Distribution
We maintain a robust global supply chain to serve B2B clients worldwide. Our inventory is strategically stocked to ensure fast and reliable delivery to major industrial hubs.
Major Markets Served: North America, Europe, Southeast Asia, Middle East, Australia, and South America.
Shipping Capabilities: We offer worldwide shipping via air, sea, and express courier. Standard delivery to major ports (e.g., Los Angeles, Rotterdam, Dubai, Singapore) is efficient and cost-effective.
Export Experience: We are experienced in international trade compliance, customs documentation, and packaging for long-distance transit to ensure your parts arrive in perfect condition.
Quality Assurance
Our manufacturing process adheres to strict quality control standards to ensure every piston meets the demands of heavy-duty diesel operation.
Manufacturing Standards: Produced in an ISO-certified facility with precise CNC machining and casting processes.
Testing: Each batch undergoes machinery test reports and outgoing video inspections to verify fit, finish, and material integrity.
Warranty: Backed by a 6-month to 12-month warranty against manufacturing defects, providing peace of mind for your repair or overhaul project.
FAQ
Q: How do I confirm if this piston fits my engine? A: First, check the existing part number on your old piston. If it matches 8972454150 or 8-97245415-0, this is the correct direct replacement. Second, verify your engine model (it must be an Isuzu 4JG1, 4JG1T, or 4JG2). If your engine is a different model, please contact us with your engine serial number for cross-reference assistance.
Q: Should I replace piston rings when installing this new piston? A: Yes, it is highly recommended to always install new piston rings with a new piston to ensure proper ring-to-cylinder wall seating and optimal compression. Reusing old rings can lead to blow-by, oil consumption, and reduced engine performance. Please inquire about our matching piston ring sets.
Q: What is the difference between STD and Oversize (0.50mm) pistons? A: Standard (STD) pistons are used when the engine cylinder bore is within factory specifications and has not been worn or damaged. Oversize pistons (e.g., 0.25mm or 0.50mm) are used when the cylinder block has been bored out (machined to a larger diameter) to repair scoring, wear, or ovality. You must have your cylinder bore measured by a machinist to determine if STD or an oversize is required.
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