Isuzu DA640 Valve Guide 9-11721-160-0 for Excavator & Forklift Engine Parts

Product Details

Product Overview

The Isuzu DA640 Valve Guide, referencing part number 9-11721-160-0, is a critical component designed for precise valve stem alignment in heavy-duty diesel engines. This genuine OEM-size replacement part is engineered to meet the exacting tolerances required for Isuzu’s robust DA640 engine platform, commonly found in industrial and construction machinery.

As a direct-fit component, this valve guide ensures proper heat dissipation and reduces oil consumption by maintaining correct valve-to-guide clearance. It is suitable for a wide range of equipment including forklifts, excavators, trucks, loaders, bulldozers, and buses powered by the Isuzu DA640 diesel engine. Each unit undergoes strict quality control to guarantee dimensional accuracy and long service life in demanding operational environments.

Key Features & Benefits

• Precision Engineering: Manufactured to OEM specifications (9-11721-160-0) for exact fitment and reliable performance, reducing installation time and ensuring compatibility.
• Enhanced Durability: Constructed from high-grade materials to withstand extreme combustion chamber temperatures and reduce wear, extending the interval between top-end overhauls.
• Oil Consumption Reduction: Restores proper valve stem clearance, preventing excessive oil from entering the combustion chamber and minimizing exhaust smoke.
• Versatile Application: Compatible with multiple heavy equipment types (excavators, loaders, forklifts) using the Isuzu DA640 engine, making it an ideal stock item for repair shops.
• Rigorous Testing: Each batch is supplied with a Machinery Test Report and Video Outgoing Inspection to confirm dimensional and material quality standards.
• Comprehensive Warranty: Backed by a 6-month warranty against manufacturing defects, providing peace of mind for commercial buyers and fleet operators.

Technical Specifications

OEM Cross-Reference

This valve guide is directly cross-referenced to the following OEM part numbers for easy identification:

• Primary Number: 9-11721-160-0
• Alternate Number: 9-11721-160-1 (Interchangeable)

Note: Always verify the original part number on your existing valve guide or consult your engine’s service manual to confirm compatibility before purchase.

Compatibility

This product is specifically designed for the Isuzu DA640 diesel engine and is commonly used for the following equipment types:

• Forklifts
• Excavators
• Trucks
• Wheel Loaders
• Bulldozers
• Buses

Global Supply & Distribution

maintains a robust global supply chain to serve B2B customers worldwide. We offer flexible shipping options including air freight, sea freight, and express courier services (DHL, FedEx, UPS, TNT) to meet urgent maintenance needs.

Our products are regularly exported to major industrial markets including:

• North America: USA, Canada, Mexico
• Europe: Germany, UK, Netherlands, France, Italy
• Asia-Pacific: Japan, South Korea, Australia, Singapore
• Middle East & Africa: UAE, Saudi Arabia, South Africa, Nigeria
• South America: Brazil, Chile, Peru

We ensure fast delivery to major ports (Shanghai, Shenzhen, Guangzhou) and industrial centers, with full customs documentation and international trade compliance for smooth importation.

Quality Assurance

Every valve guide is manufactured in ISO-compliant facilities in Guangdong, China. Our quality control process includes:

• Dimensional Inspection: Precision measurement of inner and outer diameters to OEM tolerances.
• Material Analysis: Verification of metallurgical composition for heat resistance and wear characteristics.
• Visual & Video Inspection: Each outgoing shipment is video-recorded and provided to the buyer for transparency.
• Machinery Test Report: Available upon request to confirm performance parameters.

We stand behind our products with a 6-month warranty covering defects in material and workmanship under normal use conditions.

FAQ

Q: How do I confirm this valve guide fits my Isuzu DA640 engine?
A: Please verify the part number stamped on your existing valve guide. It should match 9-11721-160-0 or 9-11721-160-1. Additionally, check your engine serial number against the DA640 service manual to ensure correct valve guide application. If you are unsure, contact our technical support team with your engine model and serial number for verification.

Q: What is the recommended installation procedure for this valve guide?
A: Installation should be performed by a qualified diesel mechanic. The old guide must be pressed out using a proper driver tool. The new guide should be lubricated with clean engine oil and pressed into the cylinder head to the specified height (refer to the DA640 workshop manual). Always check valve stem-to-guide clearance after installation; it should be between 0.03mm and 0.08mm for optimal performance.

Q: How can I maximize the service life of this valve guide?
A: Ensure the engine uses clean, high-quality engine oil with the correct viscosity (typically 15W-40 for DA640 engines). Replace valve stem seals simultaneously with the guides to prevent oil leakage. Regularly inspect valve clearance and adjust as per the maintenance schedule. Avoid prolonged idling and excessive engine overheating, which accelerates guide wear.