Excavator Engine Parts
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Standard-size connecting-rod crankpin bearing identified by Kubota part number 17311-22312 for V2403 and D1803 engines. Authorized-dealer records also identify 17311-22310 and 17331-22310 as older numbers. Confirm standard versus undersize specification, crankshaft journal and engine suffix 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 | Kubota standard crankpin bearing | 17311-22312 |
| Formatted Alias | Same number without separator | 1731122312 |
| Superseded Part Number | Earlier Kubota reference | 17311-22310 |
| Superseded Part Number | Earlier Kubota reference | 17331-22310 |
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 Engine family: Kubota V2403 / D1803, Engine family: Kubota V2203 / V2003 / D1503, Machine example: Kubota KX121 / KX161, Fitment limitation: Confirm STD size, crankshaft journal and engine suffix. Confirm the complete part number and machine serial range before ordering.
Formatting aliases for the same number: 1731122312.
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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