Excavator Engine Parts
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Fuel-injection-pump delivery valve assembly identified by Yanmar part number 129509-51390. Yanmar's official parts store lists it for the 4TNV84T-DSA3 fuel-injection pump and records 129509-51300, 158560-51340, 158560-51300 and 129907-51340 as old numbers. The previous 4TNV94 wording was not supported and has been removed. Three exact owned component views are retained. Confirm the complete engine suffix and injection-pump number before ordering.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Part Number | Yanmar current delivery-valve assembly | 129509-51390 |
| Superseded Part Number | Yanmar official old number | 129509-51300 |
| Superseded Part Number | Yanmar official old number | 158560-51340 |
| Superseded Part Number | Yanmar official old number | 158560-51300 |
| Superseded Part Number | Yanmar official old number | 129907-51340 |
Product fitment guide
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
Before ordering
Machine fitment
2 model references
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
Recorded compatible model references include Verified engine variant: Yanmar 4TNV84T-DSA3, Fitment limitation: Confirm full engine suffix and injection-pump assembly number. Confirm the complete part number and machine serial range before ordering.
No alternate number is listed for 129509-51390. Send the original nameplate for an alternate-number check.
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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