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SKU:
NLT2P01630
Ships for free in 2–4 business days.
Engine Water Pump for Yanmar 3D84 / 3TNE84 & Komatsu WA30-2, PC38UU – 129327-42100
$114.39
In Stock
$114.39
Sale price
$114.39
Regular price
This replacement engine water pump is listed for select Yanmar 3D84/3TNE84 diesel engines used in Komatsu compact equipment. It references part number #129327-42100.
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
- Yanmar 3D84 diesel engine — confirm engine plate and pump housing
- Yanmar 3TNE84 diesel engine — confirm pump part number and pulley mount
- Komatsu WA30-2 — only if fitted with the matching Yanmar engine/pump
- Komatsu PC38UU-1 — verify engine serial and pump casting
- Komatsu PC20 / PC30 compact excavators — select Yanmar-powered configurations only
Important Fitment Note: Komatsu equipment models can use different engines and water pumps. Confirm the exact engine code, original pump, mounting bolt pattern and pulley before ordering. Gasket inclusion is not established from the original listing.
Product Overview
A leaking water-pump shaft seal, worn bearing or damaged impeller can reduce cooling-system performance and cause coolant loss. Replacing a failed pump helps restore coolant circulation, but the engine-specific housing and pulley arrangement must match.
Key Features & Performance
- Engine cooling-system replacement pump
- References Yanmar 129327-42100
- For equipment using compatible 3D84/3TNE84 pump configuration
Specifications
- Product Type: Diesel Engine Water Pump
- Location / Position: Engine cooling system
- Store SKU: NLT2P01630
Replaces / Cross-References
The following identifiers are provided for matching the correct component. Check any noted supersession or supplier-reference limitations:
- 129327-42100 (supplier-listed)
Alternate formatting of the same number is not a separate verified interchange. Do not use a part number to override a known difference in mounting or configuration.
Installation & Fitment Notes
Komatsu equipment models can use different engines and water pumps. Confirm the exact engine code, original pump, mounting bolt pattern and pulley before ordering. Gasket inclusion is not established from the original listing.
Before permanently mounting the part, check clearance to moving components, controls, wiring and nearby bodywork. Use the correct fasteners and torque specifications for your application; professional fitting is recommended where alignment, drilling, suspension or towing hardware is involved.
Frequently Asked Questions
Is this an OEM part?
No. This is an aftermarket diesel engine water pump. Manufacturer names and OE references, where shown, identify compatible applications and do not imply that the product is made or endorsed by the original equipment manufacturer.
How do I confirm it fits my vehicle or equipment?
Match the exact model, individual year, body or chassis style and the physical mounting details listed under Compatible Models. Where an OE number is supplied, compare it with the original part as well.
What is included with this listing?
The item described in the product title is being offered. Other visible items such as tools, mounting accessories, brackets or related assemblies are included only if the actual product photos or seller packaging specification explicitly show them.
Part Summary
Part: Diesel Engine Water Pump
Applications: Yanmar 3D84 diesel engine; Yanmar 3TNE84 diesel engine; Komatsu WA30-2; Komatsu PC38UU-1; Komatsu PC20 / PC30 compact excavators. Model-specific configurations and exceptions are detailed above.
Part Numbers / References: 129327-42100 (supplier-listed)
Position: Engine cooling system
Purpose: A leaking water-pump shaft seal, worn bearing or damaged impeller can reduce cooling-system performance and cause coolant loss.
Northline Parts SKU: NLT2P01630
Keywords: Diesel Engine Water Pump, Yanmar 3D84 diesel engine, Yanmar 3TNE84 diesel engine, Komatsu WA30-2, Komatsu PC38UU-1, Komatsu PC20 / PC30 compact excavators, 129327-42100, Engine cooling system, aftermarket diesel engine water pump, Northline Parts, NLT2P01630.