OEM / REF: 12Y-979-1771SKU: pilotpart125061
A/C Compressor 12Y-979-1771 for Komatsu Crawler Tractor D31EX-22 is a Air Conditioning Compressor replacement part indexed for Komatsu D31EX-22 and Komatsu Fit for Komatsu Crawler Tractor:D31EX-22. Match OEM part number 12Y-979-1771 and confirm fitment for Komatsu HVAC Parts before ordering.
This Air Conditioning Compressor is indexed for Komatsu D31EX-22; Komatsu Fit for Komatsu Crawler Tractor:D31EX-22. Compare reference number 12Y-979-1771 against the label on your existing Komatsu component before ordering.
Before checkout, compare OEM part number 12Y-979-1771, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.
| Style | Sealed Heavy Duty |
|---|---|
| Compressor Mount Type | Ear |
| Rotation Direction | CW |
| Cylinder Head | FL |
| Port Angle | Vertical |
| Head Port Discharge Size | 3/4 X 14 Male Thread |
| Head Port Suction Size | 7/8 X 14 Male Thread |
| Clutch Diameter | 146 mm ~ 5 and 3/4 inches |
| Clutch Style | With Dust Cover |
| Belt Type | 5/8 Width V-Belt |
| Number of Grooves | 1 |
| Voltage | 24V |
| Coil Connector | 1 Wire Male Bullet |
| Part Number | 12Y-979-1771, 12Y9791771 |
Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.
Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.
Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.
