Home Products Diesel Engine Parts Yanmar 4TNE94 4TNE98 4D98E 4D94LE Cylinder Head 129903-11700 YM129931-11000 Diesel Engine Parts

Diesel Engine Parts

Yanmar 4TNE94 4TNE98 4D98E 4D94LE Cylinder Head 129903-11700 YM129931-11000 Diesel Engine Parts

MOQ: 1pcs Price: Negotiable

Part No.: 129903-11700 / YM129931-11000
Engine Model: 4TNE94, 4TNE98, 4D98E, 4D94LE
Application: Industrial, Agricultural, Marine
Material: High-Grade Alloy Cast Iron / Ductile Iron
Quality: New, Aftermarket Replacement

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Product Details

4tne94 4tne98 4d98e 4d94le Cylinder Head 129903-11700 Ym129931-11000 For Yanmar Machinery Diesel Engine Parts

Product Overview

This high-quality cylinder head is specifically engineered for Yanmar industrial diesel engines, offering a direct replacement for OEM part numbers 129903-11700 and YM129931-11000. Designed to withstand the rigorous demands of construction, agricultural, and marine applications, this component is manufactured to meet or exceed original equipment specifications. We serve a global B2B clientele, with expedited shipping available to major industrial hubs in North America, Europe, Asia-Pacific, the Middle East, and South America.

Key Features & Benefits

Premium Casting: Manufactured from high-grade alloy cast iron for superior strength, thermal conductivity, and resistance to cracking under high stress.
Precision Engineering: CNC-machined valve guides, seats, and sealing surfaces ensure an exact fit and optimal compression for maximum engine performance.
Enhanced Durability: Designed to withstand extreme combustion pressures and temperatures, providing a long service life in heavy-duty applications.
OEM Standard: Strictly manufactured to match Yanmar’s original design specifications, guaranteeing seamless installation and reliable operation.
Rigorous Testing: Every cylinder head undergoes pressure testing to ensure no internal leaks or defects before shipment.

Technical Specifications

Specification	Details
Part Number	129903-11700 / YM129931-11000
Engine Models	4TNE94, 4TNE98, 4D98E, 4D94LE
Material	High-Grade Alloy Cast Iron
Condition	New, Aftermarket Replacement
Valve Guide Material	Ductile Iron
Valve Seat Material	Powder Metal or Stellite (as per OEM spec)
Application	Industrial, Agricultural, Marine

OEM Cross-Reference

This cylinder head is a direct replacement for the following OEM and reference numbers:

Yanmar: 129903-11700, YM129931-11000
Alternative Reference: 129903-11710 (Superseded)

Compatibility

This cylinder head is compatible with the following Yanmar engine models and their respective applications:

Yanmar 4TNE94: Found in excavators (e.g., Vio series), forklifts, and generators.
Yanmar 4TNE98: Used in larger excavators, wheel loaders, and industrial pumps.
Yanmar 4D98E / 4D94LE: Common in agricultural tractors, compact construction equipment, and marine auxiliary engines.

Global Supply & Distribution

We are a leading supplier of Yanmar diesel engine components with a robust international logistics network. Our distribution capabilities ensure:

Worldwide Shipping: Reliable delivery via sea, air, and express courier (DHL, FedEx, UPS) to any global destination.
Major Markets Served: Extensive experience exporting to North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands, France), Asia-Pacific (Japan, Korea, Australia, Singapore), Middle East (UAE, Saudi Arabia), and South America (Brazil, Chile).
Fast Dispatch: Orders are processed within 24 hours from our strategically located warehouses, with express options available for urgent breakdowns.
Trade Compliance: All shipments are fully documented with commercial invoices and certificates of origin to ensure hassle-free customs clearance.

Quality Assurance

Certification: Products are manufactured under ISO 9001 quality management systems.
Warranty: We offer a comprehensive 12-month warranty against manufacturing defects.
Testing: Each cylinder head is 100% pressure-tested for water and oil passages and inspected for dimensional accuracy prior to packaging.

FAQ

Q: Will this cylinder head fit my Yanmar 4TNE94 engine used in a Hitachi excavator?

A: Yes, this part (129903-11700 / YM129931-11000) is a direct OEM replacement for the Yanmar 4TNE94 engine. This engine is commonly used in Hitachi Zaxis and other compact excavators. We recommend verifying your engine serial number to ensure compatibility with the 4TNE94 model family.

Q: What other gaskets or parts should I replace when installing a new cylinder head?

A: For a reliable repair, we strongly recommend replacing the cylinder head gasket, intake/exhaust manifold gaskets, and valve stem seals simultaneously. It is also good practice to replace the cylinder head bolts (stretch bolts) as they can lose clamping force after removal. Using new coolant and oil is also advised after reassembly.

Q: Is any machining required before installation?

A: Generally, no. This aftermarket cylinder head is supplied fully machined and ready for assembly. However, we always recommend checking the flatness of the cylinder head surface with a straight edge and feeler gauge before installation. The block deck surface should also be clean and true to ensure a perfect seal with the new head gasket.