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Part-number relationships
Relationship
Reference family
Number
Primary Equipment Part Number
Fuel-return pipe assembly
129486-59551
Formatted Alias
Same number without separator
12948659551
Service Replacement
Current published Yanmar service number
119125-59570
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
129486-59551
Formatting alias
12948659551
Other documented relationship
119125-59570
Formatting aliases are the same number written differently. Cross-references require a specification and fitment check; they do not by themselves confirm direct interchangeability. Related assemblies and remanufactured numbers are separate relationship types.
Product summary
Fuel Return Pipe Assembly
Category
Excavator Engine Parts
Catalog ID
51777101
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
1 model reference
Yanmar engines: 3TNV88-BQIKA / 4TNV98T-NSA2
Fitment / evidence notes
Fitment limitation: Confirm engine suffix, return-pipe fittings and hose routing
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 129486-59551
Which machines use 129486-59551?
Recorded compatible model references include Yanmar engines: 3TNV88-BQIKA / 4TNV98T-NSA2. Recorded fitment/evidence notes: Fitment limitation: Confirm engine suffix, return-pipe fittings and hose routing. Confirm the complete part number and machine serial range before ordering.
What numbers are documented for 129486-59551?
Formatting aliases for the same number: 12948659551.
How do I confirm 129486-59551 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.
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