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Isuzu 4HK1-XDLAA-02 Cylinder Head Assembly 8981706171 for Hitachi ZX200-3 Excavator Complete Cylinder Head
This product is a high-quality, fully integrated cylinder head assembly specifically designed for mainstream 20-ton excavators and the Isuzu 4HK1 series diesel engine. As the core of the engine's combustion chamber, the quality of the cylinder head directly determines the overall compression ratio, intake and exhaust efficiency, and heat dissipation performance.
4HK1-XDLAA-02 Cylinder Head Assembly Specifications
Integrated Assembly Design: Integrated valve system, improving installation and maintenance efficiency High-Strength Cast Iron: High temperature resistance and crack resistance, suitable for heavy-duty working conditions Precision Combustion Chamber: Improves compression stability and combustion efficiency Optimized Sealing: Reduces leakage risk and ensures power output OEM Precise Matching: Standardized dimensions, no modification required for installation
Product Showcase
Isuzu diesel engine cylinder head assembly 8981706171 (actual photo)
4HK1 diesel engine cylinder head assembly bolt tightening details
Excavator cylinder head assembly replacement part 8981706171 engine cylinder head assembly
Guangzhou Minshun Machinery Equipment Co., Ltd.
We specialize in the sales and service of diesel engine assemblies and construction machinery parts. Our product line covers engine assemblies, filtration systems, electronic control components, hardware accessories, wiring harnesses, and electrical accessories. Our service area includes Canada, the United States, the United Kingdom, Mexico, the Netherlands, Kazakhstan, Mongolia, Russia, Australia, Malaysia, Turkey, Indonesia, Singapore, Thailand, South America, South Africa, and other countries and regions.
Our Product Range
Engine Rebuild Kit
Turbochargers
Engine Diesel Pumps
Engine Controllers (ECU)
Cylinder Blocks
Cylinder Heads
Water Pumps
Injectors
Starter Motors
Filters
Other Engine Accessories
Excavator Hydraulic Pumps
Swivel Components
Distributor Valves
Travel Motor Assemblies
Chassis Components and Other Accessories
Frequently Asked Questions
Q1: What is your main products?
A1: We are specialized in the excavator engine spare parts, for example Main cylinder block, cylinder head, crankshaft, Engine assembly, piston, cylinder liner, piston ring, camshaft, connecting rod, oil pump, water pump, valve series products, movement, etc. almost all parts of the entire engine.
Q2: Do you test all products before shipping?
A2: Yes, we conduct 100% testing before shipping.
Q3: Which engine models is this Cylinder Head Assembly compatible with?
A3: This product is designed for specific diesel engine models. If you can provide the engine model or original part number, we can confirm compatibility before shipping to avoid incompatibility issues.
Q4: Is an original factory thickness cylinder head gasket required for installation?
A4: Yes. Due to the varying piston crown protrusion of the 4HK1 cylinder head, cylinder head gaskets come in different thicknesses (usually marked by the number of holes). During a cylinder head replacement overhaul, the piston crown protrusion must be remeasured to select a matching gasket to prevent piston impact with the valves.
Q5: Why do Isuzu 4HK1 cylinder heads frequently leak at the injector sleeve?
A5: This is typically due to worn or damaged injector sleeve seals. Aging O-rings, corrosion, or improper installation can cause sealing failure, leading to coolant leakage.
Q6: What is a cylinder head assembly?
A6: Our cylinder head assemblies are precision-engineered to OEM specifications and come pre-installed with valves and springs to ensure optimal combustion efficiency and long-term engine reliability for your machinery.
Q7: What happens if your cylinder head is damaged?
A6: A damaged cylinder head can lead to loss of compression, engine overheating, and coolant contamination, potentially causing catastrophic engine failure and costly downtime if not replaced promptly.
Why Choose Us?
• Over 20 years of focus on construction machinery – offering a full range of excavator assemblies and accessories. • Get a Quote – Our professional team will provide you with a quote immediately upon receiving your requirements.