OEM / REF: 20Y-979-3111SKU: pilotpart091195
Air Conditioning Compressor 20Y-979-3111 for Komatsu Bulldozer D31PX-21 D39PX-21 D37PX-21 D31EX-21 D39EX-21 D37EX-21 is a Air Conditioning Compressor replacement part indexed for Komatsu D31EX-21 and Komatsu D31EX-21A-M, with 3 application records on file. Match OEM part number 20Y-979-3111 and confirm fitment for K...
This Air Conditioning Compressor is indexed for Komatsu D31EX-21; Komatsu D31EX-21A-M; Komatsu D31PX-21; Komatsu D31PX-21A-M. Compare reference number 20Y-979-3111 against the label on your existing Komatsu component before ordering.
Before checkout, compare OEM part number 20Y-979-3111, 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.
| Head Type | N/A |
|---|---|
| Oil Type | Nd8 Pag Oil |
| Clutch Diameter | 152mm, 6" |
| Voltage | 24V |
| Grooves | 1 |
| Belt Width | B, 5/8" |
| Coil Position | 12 O'clock |
| Gauge Line | 2.850", 72.39mm |
| Part Number | 20Y-979-3111, 20Y9793111 |
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.
