Cooling Spare Parts

158553-51551 Cooling Water Joint for Yanmar 3TNV88 4TNV88 Engines

Q: What numbers are documented for 158553-51551?

Current Manufacturer Part Number: 158553-51551. Superseded Manufacturer Part Number: 158553-51550. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 158553-51551 before ordering?

Match the complete part number, compare the connector or mounting arrangement with the product photos, and confirm the machine or engine model and serial range. Send clear photos of the original unit when requesting a quote.

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OEM / reference158553-51551

SpecificationEngine Cooling Water Joint

Catalog ID61987645

158553-51551 is identified in Yanmar parts records as a cooling-water joint and replaces 158553-51550. It appears in 3TNV88 and 4TNV88 engine arrangements. The earlier generic description as an oil-pump T-joint was incorrect and has been removed. Confirm the complete number, thread and port geometry, sealing method, installation position, engine suffix and serial.

Product Type: Engine Cooling Water Joint
Thread, Ports and Seal: Compare with original
Installation Position: Confirm parts diagram

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Part-number relationships

Relationship	Reference family	Number
Current Manufacturer Part Number	Yanmar cooling-water-joint reference	158553-51551
Superseded Manufacturer Part Number	Replaced by 158553-51551	158553-51550

Product fitment guide

Part numbers and compatible models

Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.

Part identification

Reference numbers

Primary number

158553-51551

Manufacturer number

158553-51551
158553-51550

Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.

Product summary

Engine Cooling Water Joint

Category: Cooling Spare Parts
Catalog ID: 61987645
Photo views: 1

Before ordering

Confirm these details

Match the complete part number on the original component.
Compare connectors, mounting points and visible dimensions with the product photos.
Confirm the exact machine or engine model and serial range before ordering.

Machine fitment

Compatible model references

2 model references

Engine families: Yanmar 3TNV88 / 4TNV88
Fitment limitation: Confirm number, ports, seal, position, suffix and serial

Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.

Quick fitment answers

Common questions about 158553-51551

Which machines use 158553-51551?

Recorded compatible model references include Engine families: Yanmar 3TNV88 / 4TNV88, Fitment limitation: Confirm number, ports, seal, position, suffix and serial. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 158553-51551?

Manufacturer number: 158553-51551, 158553-51550.

How do I confirm 158553-51551 before ordering?

Match the complete part number on the original component. Compare connectors, mounting points and visible dimensions with the product photos. Confirm the exact machine or engine model and serial range before ordering. Send clear photos of the original unit and connector layout when requesting a quote.

Continue comparing verified references from the same system.

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