Home Products Diesel Engine Parts Yanmar 3D84-1 Cylinder Head 129300-11000 YM129300-11000 for Diesel Engine Machinery

Diesel Engine Parts

Yanmar 3D84-1 Cylinder Head 129300-11000 YM129300-11000 for Diesel Engine Machinery

MOQ: 1pcs Price: Negotiable

Part No.: 129300-11000 / YM129300-11000
Engine Model: Yanmar 3D84-1
Material: High-Grade Grey Cast Iron (GG25 or Equivalent)
Quality: New, Aftermarket Replacement

Chat on WhatsApp

Send OEM number, quantity, destination, or photos. We will reply with quotation, lead time, and fitment notes.

Fitment check OEM number, engine model, and machine model confirmation.

Manual quote Price, MOQ, stock, lead time, and replacement options.

Export support Packing notes, mixed order support, and shipping details.

Product Details

3d84-1 Cylinder Head 129300-11000 Ym129300-11000 For Yanmar Machinery Diesel Engine

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

Specification	Detail
Part Number	129300-11000 / YM129300-11000
Engine Model	Yanmar 3D84-1
Part Type	Cylinder Head (Complete, Bare or Assembled)
Material	High-Grade Grey Cast Iron (GG25 or Equivalent)
Valve Configuration	2 Intake / 2 Exhaust (Overhead Valve)
Combustion Chamber	Direct Injection (Recessed Bowl)
Surface Finish	RA ≤ 1.6 μm (Machined Deck Surface)
Condition	New, Aftermarket Replacement

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.