| Supply Ability | 100 Pieces per Month |
| Packaging Details | Standard export carton |
| Delivery Time | 3–7 work days |
| Color | Black |
| Model Number | 129978-01331 |
| Brand Name | Yanmar |
| Place of Origin | Japan |
View Detail Information
Explore similar products
8-97045393-2 Valve Lifter for Isuzu 3LD1 Engine Construction Machinery Japan
8-98238259-2 EGR Valve for Isuzu 4JJ1 Engine Hitachi Sumitomo Sany Excavator
8-98063676-0 Fan Blade for Isuzu 4LE2 Engine Hitachi ZX70-3 Excavator Cooling
8-98223019-2 Cylinder Head with Valves for Isuzu 4JJ1 Engine Excavator Parts
Product Specification
| Supply Ability | 100 Pieces per Month | Packaging Details | Standard export carton |
| Delivery Time | 3–7 work days | Color | Black |
| Model Number | 129978-01331 | Brand Name | Yanmar |
| Place of Origin | Japan |
129978-01331 Yanmar 4TNV94 Engine Cylinder Head Gasket for Harvester
OEM Quality Replacement: Manufactured to meet original factory specifications for reliable performance and a perfect fit.
Precise Compatibility: Specifically designed for the Yanmar 4TNV94 (4TNV94-CHT) diesel engine, used in harvesters. Direct replacement for part number 129978-01331.
High-Temperature Resistance: Made from high-grade metal, providing superior structural integrity and excellent heat resistance to withstand extreme combustion pressures.
Reliable Sealing: Precision-machined to guarantee a tight, leak-free seal between the cylinder head and engine block, preventing gas, coolant, and oil leaks.
Genuine Packaging: Comes in original brand packaging as shown in the pictures, ensuring authenticity and quality.
Product Name: Engine Cylinder Head Gasket / Head Gasket
Brand: Yanmar
Engine Model: 4TNV94, 4TNV94-CHT
Applicable Models: Harvester (also compatible with Yanmar Excavators using this engine)
OEM Part Number: 129978-01331
Condition: 100% Brand New
Material: High-grade Metal / Multi-layer Steel (MLS)
Application: Diesel Engine Cylinder Head
Number of Cylinders: 4 Cylinders
This Yanmar 4TNV94 engine cylinder head gasket (OEM: 129978-01331) is a critical sealing component situated between the engine block and the cylinder head. It is responsible for sealing the combustion chambers, coolant passages, and oil galleries to prevent leakage and maintain optimal compression.
A blown or damaged head gasket can cause severe engine overheating, loss of power, coolant mixing with oil, and white exhaust smoke. Replacing it with our premium replacement part guarantees a reliable seal and long-lasting performance.
⚠️ IMPORTANT NOTE: As shown in the pictures, this is a 4-cylinder metal head gasket. Please carefully verify your old part number (129978-01331), engine model (4TNV94), and check the bore diameter and thickness to ensure a perfect match for your machine.
Q1: How do I know if this fits my engine?
A: Please check your old part for the number 129978-01331, and confirm your engine model is 4TNV94. Providing your engine serial number, bore diameter, and thickness is the best way to be sure.
Q2: Do you offer wholesale prices?
A: Yes, for bulk orders, please contact us directly for a better price.
If you have any requirements, please feel free to contact us. Also, if you have any questions about Isuzu, please do not hesitate to reach out to us at any time.
(WhatsApp: +86 134 5044 4867)
Company Details
Business Type:
Distributor/Wholesaler
Year Established:
2012
Total Annual:
10000000-25000000
Employee Number:
101~200
Ecer Certification:
Verified Supplier
We are a professional distributor specializing in Isuzu engine parts, covering fuel injection systems (injectors, nozzles, high-pressure pumps), cooling systems (radiators, oil coolers), and core engine components (cylinder blocks, pistons, crankshafts, etc.). With years of experience in the auto pa... We are a professional distributor specializing in Isuzu engine parts, covering fuel injection systems (injectors, nozzles, high-pressure pumps), cooling systems (radiators, oil coolers), and core engine components (cylinder blocks, pistons, crankshafts, etc.). With years of experience in the auto pa...
Get in touch with us
Leave a Message, we will call you back quickly!