Product Details

Product Overview

This premium Yanmar Cylinder Head (Part Number: 129300-11000 / YM129300-11000) is a direct replacement component specifically engineered for the Yanmar 3D84-1 diesel engine. Designed for heavy-duty industrial and agricultural machinery, this cylinder head ensures optimal combustion chamber sealing, efficient heat dissipation, and long-term reliability. We serve a global B2B client base, providing fast shipping to major markets including North America, Europe, Southeast Asia, and the Middle East.

Key Features & Benefits

• OEM Specification: Manufactured to match original Yanmar dimensions and material grades for a perfect fit.
• High-Strength Casting: Constructed from premium grey cast iron for exceptional thermal fatigue resistance and structural integrity under high pressure.
• Precision Machining: Valve seats, guides, and combustion face are machined to tight tolerances for superior sealing and reduced blow-by.
• Corrosion Resistance: Treated with an anti-rust coating to withstand harsh operating environments and long storage periods.
• Cost-Effective Solution: A reliable aftermarket alternative to expensive OEM parts without compromising on performance.

Technical Specifications

OEM Cross-Reference

• Primary OEM Number: 129300-11000
• Alternative OEM Number: YM129300-11000
• Cross-Reference: Also compatible with Yanmar part numbers 129300-11001 (superseded version) and certain early model 3D84-1E variants.

Note: Always verify your existing part number and engine serial number before ordering to ensure correct fitment.

Compatibility

• Engine Models: Yanmar 3D84-1, 3D84-1E, 3D84-1T (Turbocharged variants)
• Vehicle/Equipment Applications:
  • Yanmar VIO30, VIO35 Mini Excavators
  • Yanmar B25, B30, B35 Series Backhoe Loaders
  • Yanmar SV26, SV40 Skid Steer Loaders
  • Industrial generators, pumps, and marine auxiliary engines using the 3D84 block

Global Supply & Distribution

• Worldwide Shipping: We offer reliable express (DHL, FedEx, UPS) and sea freight (FCL/LCL) to over 60 countries.
• Major Markets Served: USA, Canada, Germany, UK, France, Australia, Japan, UAE, Saudi Arabia, South Africa, Brazil, and more.
• Fast Delivery: Stock items ship within 24-48 hours. Bulk orders to major ports (Rotterdam, Shanghai, Los Angeles, Jebel Ali) typically arrive in 7-15 days.
• Trade Compliance: All products are exported with proper commercial invoices, packing lists, and certificates of origin as required.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001:2015 certified facilities.
• Certifications: 100% dimensional inspection, pressure testing, and hardness check before packaging.
• Warranty: 12-month warranty against manufacturing defects from the date of shipment.
• Testing: Each cylinder head undergoes a 3-stage quality check: casting integrity, machining tolerance, and surface finish verification.

FAQ

Q1: Is the 129300-11000 cylinder head a direct bolt-on for my Yanmar 3D84-1 engine?
Yes, this part is a direct replacement. It matches the OEM dimensions, bolt pattern, and water/oil passageways. You will need to transfer the valves, springs, and injectors from your old head if you purchase the “bare” version. We recommend checking the dowel pin alignment before final installation.

Q2: What is the recommended tightening torque and sequence for this cylinder head?
The standard torque specification for the 3D84-1 cylinder head bolts is 98 Nm (72 ft-lb) in a three-step sequence: first to 49 Nm, then to 78 Nm, and finally to 98 Nm. Always use new head bolts and follow the Yanmar service manual tightening pattern (starting from the center and working outward).

Q3: Can this cylinder head be used on a turbocharged 3D84-1T engine?
Yes, the 129300-11000 casting is compatible with both naturally aspirated and turbocharged versions of the 3D84 series. However, ensure you use the correct head gasket (thicker for turbo models) and verify that your injector protrusion height is within spec (0.5-1.0 mm) to prevent pre-ignition.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .