Part-number relationships
| Relationship | Reference family | Number |
|---|---|---|
| Primary Manufacturer Part Number | Kubota standard piston-ring assembly | 16271-21050 |
| Normalized Numeric Alias | Same primary number without separator | 1627121050 |
Excavator Engine Parts
16271-21050 STD 76mm Piston Ring Set for Kubota D1005 V1305
3 product photos · Swipe on mobile, or hover and select a thumbnail.
OEM / reference16271-21050
SpecificationStandard Piston Ring Set
Catalog ID77746582
Standard-size piston-ring set identified by Kubota part number 16271-21050 for 76 mm-bore D1005 and V1305 engine applications. Kubota dealer parts records classify the number as RINGS, PISTON / ASSY RING, PISTON, while an engine-parts catalog independently records 76.00 mm STD for D1005/V1305. Do not substitute the +0.50 mm oversize 16271-21090 set. Confirm the complete number, bore size, ring count/profile and piston groove dimensions.
- Product Type
- Standard Piston Ring Set
- Product Brand
- EexcavaStart
- Nominal Bore
- 76.00 mm
- Size
- STD
- Compatible Engine Families
- Kubota D1005, V1305
- Condition
- New replacement part
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
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
Formatting alias
Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
Standard Piston Ring Set
- Category
- Excavator Engine Parts
- Catalog ID
- 77746582
- Photo views
- 3
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
3 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
Common questions about 16271-21050
Which machines use 16271-21050?
Recorded compatible model references include Engine families: Kubota D1005, V1305, Catalog assembly group: Piston and crankshaft, Fitment limitation: Confirm 16271-21050, 76.00 mm standard bore, ring count/profile and piston groove dimensions; do not substitute the 16271-21090 +0.50 mm set. Confirm the complete part number and machine serial range before ordering.
What numbers are documented for 16271-21050?
Formatting aliases for the same number: 1627121050.
How do I confirm 16271-21050 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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