In StockPiston Kit With Ring Set YM129900-22080 YM129901-22050 for Komatsu Crawler Tractor D20A-7-M D20P-7A-M Yanmar Engine 4TNE94 Komatsu Engine 4D94E
For KomatsuPiston Ring

Piston Ring YM129900-22080 for Komatsu

OEM / REF: YM129900-22080SKU: pilotpart266034

Piston Kit With Ring Set YM129900-22080 YM129901-22050 for Komatsu Crawler Tractor D20A-7-M D20P-7A-M Yanmar Engine 4TNE94 Komatsu Engine 4D94E is a Piston Ring replacement part indexed for Part Number and Komatsu Crawler Tractor D20A-7-M D20P-7A-M Yanmar Engine 4TNE94 Komatsu Engine 4D94E Piston Kit With Ring Set Y...

Stock
In stock
Condition
New
Fitment
Komatsu Engine Spare Parts
Category
Piston Ring
  • Fitment support before you order
  • Worldwide delivery options

Piston Ring Description

This Piston Ring is indexed for Part Number; Komatsu Crawler Tractor D20A-7-M D20P-7A-M Yanmar Engine 4TNE94 Komatsu Engine 4D94E Piston Kit With Ring Set YM129900-22080 YM129901-22050; Model: Komatsu Crawler Tractor D20A-7-M, D20P-7A-M, D20PL-7-MD20PLL-7-M, D20Q-7-M Engine: Yanmar Engine 4TNE94 Komatsu Engine 4D94E OEM: YM129900-22080, YM129901-22050, 12990022080, 12990122050 This Item Includes: 4 PCS Piston(Clip*8 Units Pin*4 Units) YM129900-22080 4 PCS Piston Ring for 4 Cylinder YM129901-22050 Details: YANMAR Engine Models: 4TNE94-ACG 4TNE94-DBK 4TNE94-DBW 4TNE94-DBWK 4TNE94-G1A 4TNE94-HLB 4TNE94-HYB 4TNE94-SA 4TNE94-SFW 4TNE94-WI 4TNE94-EIK 4TNE94-SF Komatsu Engine Model: 4D94E-1A, 4D94E. Compare reference number YM129900-22080 against the label on your existing Komatsu component before ordering.

Additional cross references on file: YM129901-22050, 12990022080, 12990122050. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Applications

  • Part Number
  • Komatsu Crawler Tractor D20A-7-M D20P-7A-M Yanmar Engine 4TNE94 Komatsu Engine 4D94E Piston Kit With Ring Set YM129900-22080 YM129901-22050
  • Model: Komatsu Crawler Tractor D20A-7-M, D20P-7A-M, D20PL-7-MD20PLL-7-M, D20Q-7-M Engine: Yanmar Engine 4TNE94 Komatsu Engine 4D94E OEM: YM129900-22080, YM129901-22050, 12990022080, 12990122050 This Item Includes: 4 PCS Piston(Clip*8 Units Pin*4 Units) YM129900-22080 4 PCS Piston Ring for 4 Cylinder YM129901-22050 Details: YANMAR Engine Models: 4TNE94-ACG 4TNE94-DBK 4TNE94-DBW 4TNE94-DBWK 4TNE94-G1A 4TNE94-HLB 4TNE94-HYB 4TNE94-SA 4TNE94-SFW 4TNE94-WI 4TNE94-EIK 4TNE94-SF Komatsu Engine Model: 4D94E-1A, 4D94E

Specifications

Part NumberYM129900-22080,YM129901-22050,12990022080,12990122050

Fitment Notes

Brand or application signal
Komatsu Engine Spare Parts
Product family
Piston Ring
System category
Engine Spare Parts > Cylinder Components > Piston Ring
Recommended verification
OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability
InStock
Shipping
Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns
Returns are easier when fitment is confirmed before ordering.
B2B support
Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.

Confirm fitment & quote details

Send machine details and nameplate photos before ordering high-risk or quote-only parts.