Air Conditioning Compressor for Komatsu Excavator PC78UU-6 PC138US-2 PC228US-3
Available to Order
Not sure which part fits your equipment?
Our Northline Parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Product Overview
This AC compressor provides a practical way to restore refrigerant circulation through the air-conditioning system. A failed compressor can leave the cab without effective cooling and may create noise or poor system pressure.
Reference part numbers include PC78UU-6, PC138US-2, PC228US-3. Before purchase, compare the original part number, mounting points, connections, and visible design with the listing information.
Key Features & Performance
- High-efficiency design ensures consistent cabin temperature control
- Built with heavy-duty materials to withstand demanding excavator environments
- Circulates refrigerant through the A/C system
- Designed for the listed mounting and belt configuration
Fitment & Compatibility
Komatsu PC78UU-6; Komatsu PC138US-2; Komatsu PC228US-3.
Technical Specifications
- Product Type: AC Compressor
- Compatible Brand: Komatsu
- Part Number(s): PC78UU-6, PC138US-2, PC228US-3
- Application: Komatsu Excavators
Frequently Asked Questions
Q: What should I check before ordering? A: Verify the model, serial number, original part number, position, and physical configuration shown in the listing.
Q: Is this an original OEM part? A: No. It is an aftermarket component made for the compatible applications listed above.
Compatibility may vary by model, serial number, production date, and equipment configuration. Verify fitment before purchase.