Yanmar 4D84 Diesel Engine Oil Pump OEM 129407-32000 129001-32001 129418-32000

MOQ： 1 SET
Price： $36.8
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Payment Terms	T/T,Western Union,D/A
Delivery Time	Ships in 24h (1-7 days max)
Packaging Details	Carton Packing, Wooden Case, Plastic Pallet, Paper Pallet.
Applicable Engine Model	Yanmar 4D84
OEM Part Number / Cross Reference	129407-32000 129001-32001 129418-32000
Drive Type	Direct drive from crankshaft – ensures positive and reliable operation
Housing Material	High‑grade cast iron – durable and resistant to wear
Gear Material	Hardened steel – precision‑machined for long service life
Lubrication System	Full‑pressure forced‑feed – delivers oil to all critical engine components
Quality Assurance	100% functionally tested – meets or exceeds OEM specifications
Brand Name	For Yanmar
Model Number	Yanmar 4D84
Certification	ISO 9001
Place of Origin	CHINA

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Product Specification


Payment Terms	T/T,Western Union,D/A	Delivery Time	Ships in 24h (1-7 days max)
Packaging Details	Carton Packing, Wooden Case, Plastic Pallet, Paper Pallet.	Applicable Engine Model	Yanmar 4D84
OEM Part Number / Cross Reference	129407-32000 129001-32001 129418-32000	Drive Type	Direct drive from crankshaft – ensures positive and reliable operation
Housing Material	High‑grade cast iron – durable and resistant to wear	Gear Material	Hardened steel – precision‑machined for long service life
Lubrication System	Full‑pressure forced‑feed – delivers oil to all critical engine components	Quality Assurance	100% functionally tested – meets or exceeds OEM specifications
Brand Name	For Yanmar	Model Number	Yanmar 4D84
Certification	ISO 9001	Place of Origin	CHINA
High Light	129001-32001 diesel engine oil pump ，129407-32000 diesel engine oil pump ，129418-32000 engine oil pump

Yanmar 4D84 Diesel Engine Oil Pump | OEM 129407-32000 129001-32001 129418-32000 | Engine Oil Pump

Ensure reliable lubrication and extended engine life for your excavator or compact equipment with this high-quality engine oil pump for the Yanmar 4D84 diesel engine. The oil pump is the critical component that delivers pressurized oil to all rotating and sliding parts, preventing metal-to-metal contact and catastrophic engine failure.

Technical Specifications

Parameter	Details
Engine Model	Yanmar 4D84, 4D84-2, 4D84-3, 4TNE84, 4TNV84, 4TNV84T, Komatsu 4D84E
Part Name	Engine Oil Pump (Gear Rotor Type)
OEM Part Numbers	129407-32000, 129001-32001, 129418-32000, 129006-42002
Engine Type	4-Cylinder Inline Diesel
Bore x Stroke	84 mm x 90 mm (3.30 in x 3.54 in)
Application	Excavator / Construction Machinery / Compact Equipment
Lubrication System	Forced-Feed / Full Pressure
Pump Type	Precision Trochoid Gear Rotor Design
Drive Type	Direct Drive from Crankshaft via Timing Gears
Material	High-Grade Cast Iron Housing / Hardened Steel Rotors
Condition	Brand New / Remanufactured Options Available
Warranty	6 Months

Compatible Equipment Models

Equipment Type	Applicable Models
Excavators	Komatsu PC27MR, PC30MR, PC35MR, PC40MR, PC40MR-2, PC40MR-3, PC45MR, PC45MR-3
Excavators	Komatsu PC40R-8, PC45R-8, PC50R-8, PC50MR-2, PC50MR-3, PC58UU-3
Excavators	Komatsu PC40-7, PC45-1
Excavators	Kobelco SK40SR-2
Excavators	Hitachi ZX40U, ZX48U, ZX50U series
Excavators	Yanmar VIO45, VIO50, B50 series
Excavators	Takeuchi TB53FR, TB53RF, TB145, TB153FR
Skid Steer Loaders	Komatsu SK510, SK815, SK815-5, SK820, SK820-5
Skid Steer Loaders	Mustang 2040, 2042, 2044, 2050
Skid Steer Loaders	Gehl 4240, 4240E, 540, 540R
Skid Steer Loaders	Daewoo 1340XL, 602 Plus, DSL601
Skid Steer Loaders	Doosan 1340XL
Other Applications	Generators, forklifts, and agricultural machinery powered by Yanmar 4D84 diesel engines

Product Features & Engineering Advantages

Critical Component for Engine Longevity - The oil pump is the heart of the engine lubrication system, drawing oil from the oil pan through a pickup pipe and screen to prevent large particles from entering the pump.
Positive Displacement Design - Ensures the amount of oil that leaves equals the amount that enters, matching increased lubrication requirements at higher engine speeds.
Precision Trochoid Rotor Technology - Features precision-engineered trochoid gear rotors that create closed cavities for consistent oil flow and pressure regulation.
Robust Construction - Manufactured from high-strength cast iron housing with hardened steel rotors to withstand extreme combustion pressures and temperatures.
Direct Crankshaft Drive - Engineered for direct drive from the crankshaft via timing gears, ensuring positive and reliable operation whenever the engine is running.
OEM-Compliant Specifications - Manufactured to meet or exceed original Yanmar and Komatsu specifications for the 4D84 engine series.
Pickup Pipe Screen Protection - Includes a pickup pipe with gauze filter screen that prevents large particles from being sucked into the pump.
Multiple OEM Cross-Reference - Direct replacement for multiple OEM numbers including 129407-32000, 129001-32001, 129418-32000, 129006-42002.

Quality Assurance

100% Tested - Every oil pump undergoes functional testing to ensure proper pressure and flow characteristics
OEM Standard - Manufactured to meet or exceed original equipment specifications in ISO-certified facilities
Warranty - 6-month warranty against manufacturing defects
Global Shipping - Fast DHL, FedEx, UPS shipping available from multiple warehouses
Expert Support - Technical assistance available for part identification and compatibility verification

Installation Guidelines

The oil pump is typically located at the front of the engine inside the timing gear case or inside the oil pan. When installing a new oil pump on a Yanmar 4D84 engine:

Always inspect the oil pickup tube O-ring and screen for debris during installation
Professional installation is recommended due to the precision required for proper alignment and sealing
Regular oil changes with the correct viscosity oil will extend the life of both the oil pump and the engine

Warning: Never operate the engine without verifying proper oil pressure after pump replacement. Low oil pressure can cause immediate and severe engine damage.

Company Details

Bronze Gleitlager

Bronze Sleeve Bushings

and

Graphite Plugged Bushings

from Quality China Factory

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Business Type:

Manufacturer,Exporter 


Year Established:

2018 


Total Annual:

400,000-USD 600,000


Employee Number:

>50 


Ecer Certification：

Verified Supplier 

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Company Name: Guangzhou Jusheng Precision Manufacturing Co., Ltd.
https://www.excavatorsparesparts.com/

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