Excavator Air Conditioning Spare Parts
5 product photos · Swipe on mobile, or hover and select a thumbnail.
20Y-979-6121 is an official Komatsu A/C compressor and is consistently cross-referenced with Denso 447220-4053 as a 24V 10S15C direct-mount unit. The owned folder identifies the PC200-7 application, while published catalogs include PC200/PC210/PC220 and related Komatsu equipment. Confirm the complete label, 24V clutch, 152 mm single-groove pulley, ports, connector, bracket and machine serial range before ordering.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Equipment Part Number | Official Komatsu compressor reference | 20Y-979-6121 |
| Manufacturer Cross-Reference | Denso compressor reference | 447220-4053 |
| Formatted Alias | Same Komatsu number without separators | 20Y9796121 |
Product fitment guide
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
Before ordering
Machine fitment
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
Recorded compatible model references include Owned machine application: Komatsu PC200-7, Published equipment families: Komatsu PC200 / PC210 / PC220 and related excavators, Fitment limitation: Confirm label, voltage, clutch, pulley, ports, connector, bracket and serial range. Confirm the complete part number and machine serial range before ordering.
Manufacturer number: 447220-4053. Formatting aliases for the same number: 20Y9796121.
Match the complete part number on the original component label. Compare the front layout and visible configuration with the product photos. Compare connector count, connector shape and keying before installation. Send clear photos of the original unit and connector layout when requesting a quote.
Continue comparing verified references from the same system.
Excavator Air Conditioning Spare Parts803593481 Evaporator Assembly for XCMG XE35U Mini Excavator803593481
Excavator Air Conditioning Spare Parts355-1793 A/C Refrigerant Receiver Drier for Cat 950M 980M D6T355-1793
Excavator Air Conditioning Spare Parts320/08562 12V SD7H15 A/C Compressor for JCB Telehandlers320/08562
Excavator Air Conditioning Spare Parts172460-18100 A/C Compressor for Yanmar ViO27 ViO35 ViO40 Excavators172460-18100
