
+ applicable tax
A block-type expansion valve replacement for Caterpillar 106-5121 cab A/C applications. The valve meters refrigerant into the evaporator.
Caterpillar lists 106-5121 for selected 416B, 426B, 428B, 436B, 438B and 446B backhoes and 936F wheel loaders. Related reference 3V-0258 also requires confirmation. Compare all four ports, their spacing and the mounting holes against serial-specific parts information.
One valve only; separate O-rings, mounting bolts and receiver-drier are not included. Use a qualified A/C technician and the correct seals, evacuation, leak-test and charging procedures.
This is a replacement component, not an equipment-OEM-branded service part. OEM names and part numbers identify compatibility.
AI-enhanced reference image. Confirm the OEM replacement reference and connection details before ordering.
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