Excavator Filters
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Fuel-filter cartridge identified by P502161. Published records list Yanmar 129100-55650 and Kubota 15521-43160 as primary applications; the equipment listing includes AGCO ST35 and ST35X tractors with Iseki three-cylinder diesel applications. The cartridge measures 50 mm outer diameter, 20 mm inner diameter and 89 mm long. Confirm the complete number, cartridge dimensions, housing and engine serial range before ordering.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Manufacturer Part Number | Fuel-filter cartridge number | P502161 |
| Equipment Manufacturer Part Number | Published Yanmar primary application | 129100-55650 |
| Equipment Manufacturer Part Number | Published Kubota primary application | 15521-43160 |
| Published Equipment Cross-Reference | Verify machine and engine serial range | 6682493 / 4366704 / T111383 |
| Published Aftermarket Comparison | Verify dimensions and filtration grade | FF5103 / PF717 / 33507 |
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
4 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 Published primary applications: Yanmar 129100-55650; Kubota 15521-43160, Published tractor applications: AGCO ST35, ST35X, Published engine application: Iseki 3-cylinder diesel, Fitment limitation: Confirm P502161, 50 x 20 x 89 mm dimensions, housing and engine serial range. Confirm the complete part number and machine serial range before ordering.
Manufacturer number: 129100-55650, 15521-43160.
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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