4TNE88 Cylinder Head 129407-11700 for Yanmar Diesel Engine | Construction & Agricultural Use

Product Details

Product Overview

This premium Cylinder Head with part number 129407-11700 is specifically designed for the Yanmar 4TNE88 diesel engine. As a critical component in the engine’s combustion chamber assembly, this cylinder head ensures proper sealing, efficient fuel combustion, and optimal engine performance. Manufactured to OEM specifications, it is an ideal replacement part for maintaining or restoring the power and reliability of your Yanmar-powered equipment.

Commonly used in a wide range of heavy-duty applications including construction machinery, agricultural tractors, industrial gensets, marine propulsion systems, and material handling equipment, this cylinder head is a versatile solution for international buyers seeking a direct-fit replacement. Whether you are overhauling a worn engine or performing preventative maintenance, this component provides the durability and precision required for demanding work environments.

Key Features & Benefits

• OEM Specification Fitment: Manufactured to match the exact dimensions and tolerances of the original Yanmar part 129407-11700, ensuring a seamless, bolt-on installation without modifications.
• High-Strength Casting: Constructed from robust cast iron to withstand extreme thermal and mechanical stress, reducing the risk of cracking or warping under heavy loads.
• Enhanced Combustion Efficiency: Precision-machined valve seats and ports promote optimal airflow and fuel mixing, contributing to improved horsepower and lower emissions.
• Reliable Sealing Performance: The flat mating surface is finished to a high standard to work effectively with a new cylinder head gasket, preventing coolant and compression leaks.
• Rigorous Quality Testing: Every unit undergoes a machinery test report and outgoing video inspection to verify structural integrity and dimensional accuracy before shipment.
• Extended Service Life: Designed for long-term durability, this cylinder head helps extend the interval between major engine overhauls, reducing total cost of ownership.

Technical Specifications

OEM Cross-Reference

This cylinder head is a direct replacement for the following Yanmar OEM part numbers:

• 129407-11700 (Primary OEM Number)

Please verify your engine’s serial number and current part number to ensure compatibility. This part is designed to meet or exceed the specifications of the original Yanmar component.

Compatibility

This cylinder head is specifically designed for the Yanmar 4TNE88 diesel engine. It is commonly used for the following types of equipment:

• Construction: Mini excavators, compact loaders, and backhoes
• Agriculture: Tractors, harvesters, and tillers
• Industrial: Generator sets (gensets) and air compressors
• Marine: Auxiliary engines and small vessel propulsion
• Material Handling: Forklifts and telehandlers

Note: Fitment is inferred based on engine model. Always cross-reference with your equipment’s parts manual to confirm compatibility.

Global Supply & Distribution

We offer worldwide shipping from our distribution hub in Guangdong, China, ensuring fast and reliable delivery to major ports and industrial centers across the globe. Our logistics network covers key markets including:

• North America: Los Angeles, Houston, Toronto
• Europe: Rotterdam, Hamburg, Felixstowe
• Asia-Pacific: Singapore, Shanghai, Sydney
• Middle East & Africa: Dubai, Jeddah, Durban
• South America: Santos, Buenos Aires

With extensive export experience and a commitment to international trade compliance, we provide professional documentation, including commercial invoices and packing lists, to facilitate smooth customs clearance. Bulk orders and consolidated shipping are available to reduce freight costs for B2B buyers.

Quality Assurance

We prioritize quality at every stage of production. This cylinder head is manufactured in ISO-compliant facilities with strict process controls. Key quality measures include:

• Incoming Material Inspection: All raw castings are tested for hardness and porosity.
• Machinery Test Report: Provided with each order to confirm dimensional accuracy and surface finish.
• Video Outgoing Inspection: A visual inspection video is available upon request to verify the part’s condition before shipment.
• 6-Month Warranty: We stand behind the product with a warranty against manufacturing defects in materials and workmanship.

Our testing procedures include pressure testing for cracks and leak paths, ensuring the cylinder head can withstand the high-pressure environment of a diesel engine combustion chamber.

FAQ

Q1: Will this cylinder head fit my Yanmar 4TNE88 engine without modifications?
A: Yes, this part (129407-11700) is manufactured to OEM specifications and is designed as a direct, bolt-on replacement for the Yanmar 4TNE88 diesel engine. No machining or modifications are required for standard installation. However, we always recommend replacing the cylinder head gasket, head bolts, and performing a valve adjustment during installation to ensure optimal performance.

Q2: What maintenance steps should I take after installing a new cylinder head?
A: After installation, follow the engine manufacturer’s torque sequence and specifications for the cylinder head bolts. We recommend using a new head gasket and lubricating the bolt threads. Once assembled, check for proper valve clearance, perform a coolant system pressure test, and run the engine through a heat cycle. Re-torque the head bolts after the first thermal cycle as specified in the service manual to prevent gasket failure.

Q3: How can I verify that this cylinder head is the correct part for my engine?
A: The most reliable method is to locate your engine’s serial number and the stamped part number on your existing cylinder head. Cross-reference this with our OEM number 129407-11700. If you have a Yanmar 4TNE88 engine, this part is the correct match. For engines with unknown history or previous rebuilds, we suggest measuring the cylinder head height and comparing it to the OEM specification (typically 92-93mm for this model) to confirm it has not been previously resurfaced.