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Product Details
Product Overview
This is a high-precision Valve Guide, identified by the OEM part number 8-94396-598-0, specifically designed for the Isuzu 4HE1 diesel engine. As a critical component within the cylinder head assembly, the valve guide ensures correct valve stem alignment, proper lubrication, and efficient heat dissipation during operation.
Manufactured to OEM size standards, this component is a direct replacement for the original part in your engine. It is commonly utilized in heavy-duty applications such as construction machinery, industrial equipment, agricultural tractors, generator sets, marine engines, and material handling vehicles powered by the Isuzu 4HE1 platform.
Whether you are rebuilding a cylinder head or performing routine engine maintenance, this valve guide from provides a reliable, cost-effective solution for restoring engine performance and extending service life.
Key Features & Benefits
Exact OEM Fitment: Manufactured to the precise dimensions of the original part (8-94396-598-0), ensuring a perfect fit for the Isuzu 4HE1 cylinder head without modification.
Superior Material Composition: Constructed from high-grade, wear-resistant cast iron or alloy steel to withstand high temperatures and friction, reducing premature wear.
Enhanced Oil Control: Precision-machined internal diameter and surface finish promote optimal oil distribution, reducing valve stem sticking and carbon buildup.
Improved Heat Dissipation: Excellent thermal conductivity helps transfer heat away from the valve stem, preventing distortion and ensuring consistent valve operation.
Rigorous Quality Control: Each piece undergoes dimensional inspection and hardness testing to meet strict aftermarket standards.
Cost-Effective Solution: Provides OEM-equivalent quality at a competitive price point, ideal for fleet maintenance and engine rebuilders.
Technical Specifications
Specification
Detail
Part Number
8-94396-598-0
Engine Model
4HE1
Part Type
Valve Guide
Engine Type
Diesel
Size
OEM Size (Standard)
Material
High-Strength Alloy / Cast Iron
Weight
1 kg (approx. per set)
Place of Origin
Guangdong, China
Warranty
6 Months
Packing
Plastic bag, Box, Carton
OEM Cross-Reference
This valve guide is a direct replacement for the following Isuzu genuine part numbers:
This part is commonly used for Isuzu 4HE1 engine series. Please confirm your specific engine model and cylinder head configuration before ordering.
Global Supply & Distribution
As a dedicated exporter of diesel engine parts, we offer worldwide shipping solutions to meet the demands of international B2B buyers. Our supply chain is optimized to deliver to major industrial hubs across:
North America: USA, Canada, Mexico
Europe: UK, Germany, France, Netherlands, Poland, Italy
Asia-Pacific: Japan, South Korea, Australia, New Zealand, Southeast Asia
Middle East & Africa: UAE, Saudi Arabia, South Africa, Nigeria
South America: Brazil, Chile, Argentina
We provide fast and reliable delivery via sea freight (FOB/CIF) and air express (DHL, FedEx, UPS) to major ports and airports. Our team has extensive experience in international trade documentation and customs clearance, ensuring a smooth transaction for your business.
Quality Assurance
Every valve guide is manufactured in ISO-certified facilities in Guangdong, China, under strict quality control protocols. We prioritize product reliability and consistency:
Standards: Manufactured to OEM specifications and tolerances.
Testing: Dimensional inspection, hardness testing, and surface finish analysis are performed on each batch.
Warranty: Backed by a 6-month warranty against manufacturing defects.
Support: Post-warranty online technical support is available to assist with fitment and installation questions.
Verification: Video outgoing inspection and machinery test reports are provided upon request to verify product quality before shipment.
FAQ
Q1: How do I know if this valve guide (8-94396-598-0) fits my engine? A: This valve guide is specifically designed for the Isuzu 4HE1 diesel engine series. To confirm fitment, please check the part number on your existing valve guide or your engine’s service manual. If your engine is a 4HE1 (naturally aspirated or turbocharged), this part is the correct OEM-size replacement. If you have a different Isuzu engine model (e.g., 4HG1, 4JJ1), please contact us with your engine serial number for cross-reference.
Q2: What is the recommended installation procedure for a valve guide? A: Installation should be performed by a qualified diesel mechanic. The typical process involves:
Removing the old valve guide using a press or drift tool.
Cleaning the bore in the cylinder head thoroughly.
Applying a light coat of engine oil to the new guide.
Pressing the new guide into the head to the correct installed height. Note: Some guides may require reaming after installation to achieve the precise valve stem clearance. Always refer to the engine service manual for specific torque and clearance specs.
Q3: Can I use this valve guide in a high-performance or rebuilt engine? A: Yes, this is a standard OEM-size valve guide suitable for both standard rebuilds and performance applications where original dimensions are maintained. For heavily modified engines requiring oversized valves or different materials, we recommend consulting with your engine builder to ensure the guide material and clearance are appropriate for your specific power levels and operating conditions.
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