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Excavator Engine Parts

729901-01570 Cylinder Block Assembly for Yanmar 4TNE94L

Name: 729901-01570 Cylinder Block Assembly for Yanmar 4TNE94L
Brand: EexcavaStart
SKU: 729901-01570

OEM / reference729901-01570

SpecificationBare Engine Cylinder Block Assembly

Catalog ID89770712

Bare cylinder-block assembly identified by Yanmar part number 729901-01570 for 4TNE94 and 4TNE94L engine variants. Manufacturer parts catalogs also support related 4D94LE industrial applications. Confirm the complete engine code, block casting and included plugs/bushings before ordering.

Fitment status: Verified · Checked 2026-07-28

Product Type: Bare Engine Cylinder Block Assembly
Product Brand: EexcavaStart
Cylinder Count: 4
Condition: New replacement part

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Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.

Part-number relationships

Relationship	Reference family	Number
Primary Part Number	Cylinder-block assembly	729901-01570
Formatted Alias	Same number without separator	72990101570
Equipment-Prefix Alias	Komatsu-formatted catalog reference	YM729901-01570

Evidence record

Source: Exact-reference evidence retained for internal audit
Evidence grade: manufacturer-supported
Checked: 2026-07-28

Source URLs, catalog files and local evidence paths are stored in the protected product audit record and are not public outbound links.

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

729901-01570

Formatting alias

72990101570
YM729901-01570

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

Product summary

Bare Engine Cylinder Block Assembly

Category: Excavator Engine Parts
Catalog ID: 89770712
Photo views: 5

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

4 model references

Engine family: Yanmar 4TNE94 / 4TNE94L
Related industrial engine: Komatsu 4D94LE-1
Forklift example: Komatsu BX50 / FD20-30-16
Fitment limitation: Confirm engine code, casting and supplied block content

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 729901-01570

Which machines use 729901-01570?

Recorded compatible model references include Engine family: Yanmar 4TNE94 / 4TNE94L, Related industrial engine: Komatsu 4D94LE-1, Forklift example: Komatsu BX50 / FD20-30-16, Fitment limitation: Confirm engine code, casting and supplied block content. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 729901-01570?

Formatting aliases for the same number: 72990101570, YM729901-01570.

How do I confirm 729901-01570 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 recovered references from the same system.

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