4TNV84T Engine Valve Guide 119717-11800 for Yanmar Diesel Engine Repair Parts

Product Details

Product Overview

This high-precision engine valve guide, identified by part number 119717-11800, is a critical component specifically designed for the Yanmar 4TNV84T diesel engine. As an integral part of the cylinder head assembly, this valve guide ensures proper valve stem alignment and heat dissipation, which are essential for maintaining engine compression and preventing premature valve wear.

Manufactured to meet OEM size specifications, this valve guide is suitable for use in a wide range of heavy-duty applications including construction machinery, industrial equipment, agricultural tractors, generator sets, marine propulsion systems, and material handling equipment. Whether you are performing a complete engine overhaul or a targeted repair, this component provides the reliability and dimensional accuracy required for professional engine rebuilding.

Key Features & Benefits

• Precision OEM Dimensions: Manufactured to the exact original equipment specifications for the Yanmar 4TNV84T engine, ensuring a perfect fit without modification.
• Superior Wear Resistance: Constructed from high-grade alloy material designed to withstand the extreme heat and friction of the valve train, extending service life.
• Enhanced Heat Dissipation: Engineered to efficiently transfer heat away from the valve stem, reducing the risk of thermal fatigue and valve sticking.
• Easy Installation: Precision-machined outer diameter and inner bore allow for straightforward installation using standard shop tools and procedures.
• Comprehensive Fitment: Compatible with multiple Yanmar engine series beyond the 4TNV84T, offering versatile application across various equipment brands.
• Rigorous Quality Control: Each guide undergoes dimensional inspection to ensure concentricity and surface finish meet strict quality standards.

Technical Specifications

OEM Cross-Reference

This valve guide is a direct replacement for the following OEM part numbers:

• Yanmar OEM: 119717-11800

Note: Always verify your existing part number against the 119717-11800 before ordering. This part is designed as a direct OEM replacement and does not include additional installation components such as valve stem seals or retaining clips unless specified.

Compatibility

This valve guide is commonly used for the following engine models and applications:

• Engine Models: Yanmar 4TNV84T, 4TNV84, 4TNE84, 4TNE84T (series)
• Applications:
  • Construction Equipment (excavators, mini excavators, compact track loaders)
  • Industrial Machinery (compressors, pumps, generators)
  • Agricultural Equipment (tractors, harvesters, tillers)
  • Marine Propulsion (small workboats, auxiliary engines)
  • Material Handling (forklifts, telehandlers)

Fitment is inferred based on engine model compatibility. Always cross-reference your specific equipment model and engine serial number to confirm suitability.

Global Supply & Distribution

We maintain a robust global supply chain to ensure fast and reliable delivery to B2B buyers worldwide. Our distribution network covers all major industrial regions:

• North America: Fast shipping to ports in Los Angeles, Houston, New York, and Vancouver.
• Europe: Regular shipments to Rotterdam, Hamburg, Antwerp, and major inland distribution hubs.
• Asia-Pacific: Direct delivery to Singapore, Tokyo, Shanghai, Sydney, and Dubai.
• Middle East & Africa: Service to Jebel Ali, Dammam, Durban, and Lagos.
• Latin America: Coverage for Santos, Callao, and Manzanillo ports.

We offer flexible shipping options including air freight, sea freight (FCL/LCL), and express courier services to meet urgent repair deadlines. All export documentation is fully compliant with international trade standards.

Quality Assurance

Every valve guide is manufactured under strict quality management systems in our ISO-compliant facility in Guangdong, China. Our quality assurance process includes:

• Material Certification: Incoming raw materials are tested for chemical composition and hardness.
• Dimensional Inspection: Each part is checked for inner diameter, outer diameter, length, and concentricity using precision gauges.
• Surface Finish Verification: Ensures optimal oil retention and reduced friction with the valve stem.
• Machinery Test Report: Available upon request to verify critical parameters.
• Video Inspection: We can provide video documentation of outgoing inspection for bulk orders.
• Warranty: 6-month warranty against manufacturing defects.
• After-Sales Support: Online technical support available post-warranty to assist with fitment inquiries.

FAQ

Q1: How do I confirm that this valve guide (119717-11800) fits my Yanmar 4TNV84T engine?

We recommend removing one existing valve guide from your cylinder head and measuring its outer diameter, inner diameter, and overall length. Compare these measurements to the specifications of the 119717-11800 guide. Additionally, check the part number stamped on your old guide. If it matches 119717-11800, the part is a direct fit. If you are unsure, please contact our technical support team with your engine serial number and equipment model for verification.

Q2: What is the recommended installation procedure for these valve guides?

Installation should be performed by a qualified diesel mechanic. The general procedure involves: (1) Heating the cylinder head evenly to approximately 80-100°C (176-212°F) to expand the guide bore. (2) Using a valve guide driver and press, install the guide from the combustion side of the head until it seats to the correct height (usually flush or slightly recessed). (3) Allow the head to cool, then ream the guide bore to the final valve stem clearance specification if required. Always refer to the Yanmar service manual for the specific 4TNV84T engine for torque specifications and final clearance values.

Q3: Can I use this valve guide for an engine overhaul with high mileage?

Yes, replacing valve guides is a standard part of a comprehensive engine overhaul. If your 4TNV84T engine has high operating hours, worn valve guides can cause oil consumption, poor compression, and valve noise. Installing new guides as part of a cylinder head rebuild (along with new valves, seats, and seals) will restore proper valve sealing and extend engine life. We recommend replacing all guides simultaneously to ensure uniform wear characteristics.