Excavator Engine Parts

128300-77920 Glow Plug Timer for Yanmar 4TNV88 4TNE84

Q: What numbers are documented for 128300-77920?

Primary Equipment Part Number: 128300-77920. Formatted Alias: 12830077920. Equipment Prefix Format: YA-128300-77920. Physical Module Marking - Not an Interchange: HC0121. Related Later Timer - Verify Connector: 129211-77920. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 128300-77920 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.

128300-77920 Glow Plug Timer for Yanmar 4TNV88 4TNE84, OEM/reference 128300-77920, Glow Plug Timer Module, product view 1

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OEM / reference128300-77920

SpecificationGlow Plug Timer Module

Catalog ID64754955

Yanmar 128300-77920 electrical timer used in glow/preheat circuits across documented 2TNV70, 3TNE74, 4TNE84 and 4TNV88 engine applications. The actual module uses two four-position connectors and a single mounting tab. Confirm the module label, connector keying and engine specification.

Product Type: Glow / Preheat Timer Module
Product Brand: EexcavaStart
Connector Layout: Two four-position connectors
Mounting: Single mounting tab

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Part-number relationships

Relationship	Reference family	Number
Primary Equipment Part Number	Yanmar timer	128300-77920
Formatted Alias	Unhyphenated Yanmar format	12830077920
Equipment Prefix Format	Troy-Bilt/Yanmar format	YA-128300-77920
Physical Module Marking - Not an Interchange	Owned unit label	HC0121
Related Later Timer - Verify Connector	Yanmar parts manual	129211-77920

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

128300-77920

Formatting alias

12830077920
YA-128300-77920

Direct interchange

HC0121

Related assembly

129211-77920

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

Product summary

Glow Plug Timer Module

Category: Excavator Engine Parts
Catalog ID: 64754955
Photo views: 4

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

5 model references

Documented engine: Yanmar 2TNV70
Documented engine: Yanmar 3TNE74
Documented engine: Yanmar 4TNE84
Documented engine: Yanmar 4TNV88
Fitment limitation: Confirm 128300-77920, connector keying, wiring, mounting tab and engine suffix/serial range

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 128300-77920

Which machines use 128300-77920?

Recorded compatible model references include Documented engine: Yanmar 2TNV70, Documented engine: Yanmar 3TNE74, Documented engine: Yanmar 4TNE84, Documented engine: Yanmar 4TNV88, Fitment limitation: Confirm 128300-77920, connector keying, wiring, mounting tab and engine suffix/serial range. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 128300-77920?

Documented direct interchanges: HC0121. Formatting aliases for the same number: 12830077920, YA-128300-77920. Related assembly numbers (not direct interchanges): 129211-77920.

How do I confirm 128300-77920 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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