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Product Details
Product Overview
This is a high-quality, direct replacement engine piston specifically designed for the Isuzu 4BE1 diesel engine. As a critical component of the engine’s combustion chamber, this piston (OEM reference: 8-94438-989-1) is manufactured to meet or exceed original equipment specifications. We supply these parts globally, serving major markets including North America, Europe, Southeast Asia, the Middle East, and Africa, ensuring reliable delivery to industrial hubs and ports worldwide.
Key Features & Benefits
Premium Material Composition: Constructed from high-strength aluminum alloy, offering an excellent balance of lightweight performance and thermal durability.
Precision Engineering: Manufactured with tight tolerances to ensure a perfect fit within the 4BE1 cylinder liner, optimizing compression ratio and engine power output.
Enhanced Durability: Features reinforced ring grooves and pin boss areas to withstand the high pressures and temperatures of continuous diesel operation, extending service life.
Direct OEM Replacement: Matches the exact specifications of the original Isuzu part, guaranteeing seamless installation without modifications.
Reduced Friction: Advanced skirt coating technology minimizes friction against the cylinder wall, improving fuel efficiency and reducing wear.
Technical Specifications
Specification
Detail
Part Number
8-94438-989-1
Engine Model
Isuzu 4BE1
Part Name
Engine Piston
Material
High-Strength Aluminum Alloy
Size
Standard (STD)
Ring Grooves
3 (2 Compression, 1 Oil)
Warranty
12 Months
OEM Cross-Reference
This piston is a direct replacement for the following original Isuzu part numbers:
8-94438-989-1 (Primary Part Number)
8-94438-989-0 (Superseded Number)
8944389891 (Without Hyphens)
8944389890 (Without Hyphens)
Note: Always verify your engine’s specific requirements before ordering. This part is for standard size bores.
Compatibility
Engine: Isuzu 4BE1 (Direct Injection Diesel)
Vehicle Applications: Commonly used in Isuzu Elf (N-Series) trucks, NPR/NQR models, and various industrial machinery powered by the 4BE1 engine (e.g., generators, forklifts, excavators).
Year Range: Primarily found in models manufactured from the late 1980s through the 2000s.
Global Supply & Distribution
We maintain a robust global supply chain to ensure your operations stay on track. Our logistics network supports:
Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands), Asia-Pacific (Australia, Japan, Thailand), Middle East (UAE, Saudi Arabia), and Africa (Nigeria, South Africa).
Fast Delivery: Stock items are dispatched within 24-48 hours to major ports and industrial centers.
Trade Compliance: Experienced in international export documentation and customs clearance procedures.
Quality Assurance
We prioritize quality to ensure your engine performs reliably.
Manufacturing Standards: Produced in ISO 9001 certified facilities, adhering to strict quality control processes.
Testing: Each batch undergoes rigorous dimensional inspection, material composition analysis, and hardness testing.
Warranty: We offer a standard 12-month warranty against manufacturing defects in materials and workmanship.
FAQ
Q1: Will this piston fit my Isuzu 4BE1 engine without modifications? A: Yes, this is a direct OEM replacement part with the part number 8-94438-989-1. It is designed to the exact specifications of the original Isuzu component, ensuring a perfect fit and bolt-on installation for standard size engines.
Q2: What is the recommended installation procedure for this piston? A: Professional installation is recommended. Key steps include: 1) Thoroughly clean the cylinder bore. 2) Lubricate the piston skirt and rings with clean engine oil. 3) Use a proper ring compressor to install the piston and connecting rod assembly into the cylinder. 4) Torque the connecting rod bolts to the manufacturer’s specifications. Always consult your engine’s service manual for precise procedures.
Q3: How do I know if I need a standard size or oversized piston? A: This part is for standard (STD) size bores. If your cylinder liner is worn or damaged and has been machined to a larger diameter (e.g., 0.50mm or 1.00mm oversize), you will need a corresponding oversized piston. You must measure the cylinder bore with a micrometer to determine the correct size. If in doubt, consult a qualified engine rebuilder.
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