OEM / REF: 191-9028SKU: pilotpart122849
A/C Compressor 191-9028 for Caterpillar CAT 304 305 305.5 306 306E Excavator K4N S4L2 4M40 C2.6 Engine is a Air Conditioning Compressor replacement part indexed for Caterpillar 304 and Caterpillar 304CR · Mitsubishi S4L2, with 3 application records on file. Match OEM part number 191-9028 and confirm fitment for Cate...
This Air Conditioning Compressor is indexed for Caterpillar 304; Caterpillar 304CR · Mitsubishi S4L2; Caterpillar 305; Caterpillar 305.5 · Mitsubishi 4M40. Compare reference number 191-9028 against the label on your existing Caterpillar component before ordering.
Additional cross references on file: CA1919028. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.
| Model | TM-08B |
|---|---|
| Mount Style | Ear |
| Compressor Rotation | CW/ CCW |
| Hose Fitting Type | Pad on Body |
| Clutch Type | Leaf Spring |
| Pulley Diameter | 125 mm ~ 4 and 15/16 inches |
| Number of Grooves | 2 Grooves |
| Belt Type | V-Belt - 1/2 in. Width |
| Coil Voltage | 12 Volt With 1 wire Bullet Terminal |
| Oil Type | PAG 46 |
| Factory Oil Charge | 150cc |
| Oil Capacity Oz | 5 |
| Refrigerant Type | R-134A |
| Part Number | 191-9028, 1919028, CA1919028 |
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.
