Part number lookup
12390722050 Replacement Parts
Cross-reference and compare 4 replacement listings for OEM / aftermarket part number 12390722050. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.
4 Matching Products
KomatsuPiston Kit With Ring Set YM123907-22081 YM123907-22050 for Komatsu Backhoe WB140-2N WB150-2N Komatsu Engine 4D106 Yanmar Engine 4TNV106$611.97
KomatsuPiston Kit With Ring Set YM123907-22081 YM123907-22050 for Komatsu Backhoe WB93R-2 WB97R-2 WB97S-2 WB98A-2 Komatsu Engine 4D106 Yanmar Engine 4TNV106$611.97
KomatsuPiston Kit With Ring Set YM123907-22081 YM123907-22050 for Komatsu Engine 4D106 Yanmar Engine 4TNV106$611.97
KomatsuPiston Kit With Ring Set YM123907-22081 YM123907-22050 for Komatsu Excavator PC110R-1 PW110R-1 Komatsu Engine 4D106 Yanmar Engine 4TNV106$611.97Part Numbers and Cross References
Applications and Fitment Summary
- Part Number
- Komatsu Backhoe WB140-2N WB150-2N Komatsu Engine 4D106 Yanmar Engine 4TNV106 Piston Kit With Ring Set YM123907-22081,YM123907-22050
- Model: Komatsu Backhoe WB140-2N,WB140PS-2N,WB150-2N,WB150AWS-2N,WB150PS-2N Engine: Komatsu Engine 4D106,Yanmar Engine 4TNV106 OEM: YM123907-22081,YM123907-22050,12390722081,12390722050 This Item Includes: 4 PCS Piston(Clip*8 Units Pin*4 Units) YM123907-22081 4 PCS Piston Ring for 4 Cylinder YM123907-22050 Details: Yanmar Engine Models: 4TNV106T-XTBL2 4TNV106T 4TNV106-GGB1 4TNV106-GGB1B 4TNV106T-GGB1 4TNV106T-GGE 4TNV106T-GGL 4TNV106T-XTBL1 4TNV106T-XTBL(*) Komatsu Engine Model: 4D106
- Komatsu Backhoe WB93R-2 WB97R-2 WB97S-2 WB98A-2 Komatsu Engine 4D106 Yanmar Engine 4TNV106 Piston Kit With Ring Set YM123907-22081,YM123907-22050
- Model: Komatsu Backhoe WB93R-2 WB97R-2 WB97S-2 WB98A-2 Engine: Komatsu Engine 4D106,Yanmar Engine 4TNV106 OEM: YM123907-22081,YM123907-22050,12390722081,12390722050 This Item Includes: 4 PCS Piston(Clip*8 Units Pin*4 Units) YM123907-22081 4 PCS Piston Ring for 4 Cylinder YM123907-22050 Details: Yanmar Engine Models: 4TNV106T-XTBL2 4TNV106T 4TNV106-GGB1 4TNV106-GGB1B 4TNV106T-GGB1 4TNV106T-GGE 4TNV106T-GGL 4TNV106T-XTBL1 4TNV106T-XTBL(*) Komatsu Engine Model: 4D106
- Komatsu Engine 4D106 Yanmar Engine 4TNV106 Piston Kit With Ring Set YM123907-22081,YM123907-22050
- Models with Komatsu Engine 4D106, Yanmar Engine 4TNV106 OEM: YM123907-22081,YM123907-22050,12390722081,12390722050 This Item Includes: 4 PCS Piston(Clip*8 Units Pin*4 Units) YM123907-22081 4 PCS Piston Ring for 4 Cylinder YM123907-22050 Details: Yanmar Engine Models: 4TNV106T-XTBL2 4TNV106T 4TNV106-GGB1 4TNV106-GGB1B 4TNV106T-GGB1 4TNV106T-GGE 4TNV106T-GGL 4TNV106T-XTBL1 4TNV106T-XTBL(*) Komatsu Engine Model: 4D106
- Komatsu Excavator PC110R-1 PW110R-1 Komatsu Engine 4D106 Yanmar Engine 4TNV106 Piston Kit With Ring Set YM123907-22081, YM123907-22050
- Model: Excavator Midi Excavator PC110R-1, Mobile Excavator PW110R-1 Engine: Komatsu Engine 4D106, Yanmar Engine 4TNV106 OEM: YM123907-22081, YM123907-22050, 12390722081, 12390722050 This Item Includes: 4 PCS Piston(Clip*8 Units Pin*4 Units) YM123907-2208 1 STD Size 4 PCS Piston Ring for 4 Cylinder YM123907-22050 STD Size Details: Yanmar Engine Models: 4TNV106T-XTBL2 4TNV106T 4TNV106-GGB1 4TNV106-GGB1B 4TNV106T-GGB1 4TNV106T-GGE 4TNV106T-GGL 4TNV106T-XTBL1 4TNV106T-XTBL(*) Komatsu Engine Model: 4D106
Frequently Asked Questions
What parts replace OEM number 12390722050?
This page lists 4 replacement listings indexed under 12390722050. Compare cross references, applications, and pricing before ordering.
How do I confirm fitment for 12390722050?
Match the stamped part number first, then verify machine model, engine code, serial number, mounting points, and photos of your old part before checkout.
Can I request a quote if 12390722050 is not an exact match?
Yes. Use the fitment inquiry form with your machine plate, engine model, and photos. Support can review alternatives or cross references.