Four Seasons A/C Evaporator Core 54831
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Four Seasons A/C Evaporator Core 54831
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Four Seasons A/C Evaporator Core P/N:54831

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$127.99
MPN: 54831
Item Package Quantity: 1
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Four Seasons A/C Evaporator Core P/N:54831
Four Seasons A/C Evaporator Core P/N:54831
$127.99

Restore cold air to the cabin of your 2000-2003 Mitsubishi Diamante with the Four Seasons A/C Evaporator Core 54831. This plate & fin evaporator core is the component inside the HVAC case where refrigerant absorbs heat from the air passing over its fins — as the refrigerant boils off, the air blowing into the cabin is cooled. If a leaking or clogged original core is behind weak cooling or a refrigerant leak, this drops in as a direct-fit replacement for the listed application.

  • Plate & fin core design: built to match OE cooling performance and efficiency.
  • Optimized refrigerant flow: the internal passages promote efficient heat transfer across the core.
  • Application-specific design: shaped for the listed vehicle so it fits the factory HVAC case.
  • Includes seals: comes with the gaskets, o-rings, or seals needed to properly complete the replacement.

Backed by Four Seasons' decades of mobile A/C experience, each core is engineered and tested for dependable service. See the Buyer's Guide tab for the full engine-level fitment.

Interchange: 288831 · T54831 · 773248 · 11154831 · 805678 · 4711692 · A88831 · 2733287 · 590064 · 294798698PF · EV4798698PFC

This part cross-references / interchanges with the following part numbers:

288831, T54831, 773248, 11154831, 54831, 805678, 4711692, A88831, 2733287, 590064, 294798698PF, EV4798698PFC

Frequently Asked Questions

What vehicle does this evaporator core fit?

It is a direct-fit replacement for the 2000-2003 Mitsubishi Diamante. Check the Buyer's Guide tab to confirm the engine-level fitment for your specific vehicle.

What does an A/C evaporator core do?

It sits inside the HVAC case where refrigerant absorbs heat from air passing over its fins. As the refrigerant boils off, the air blowing into the cabin is cooled.

Does this core come with seals?

Yes. It includes the gaskets, o-rings, or seals needed to properly complete the replacement, as specified by Four Seasons.

What are signs the evaporator core may need replacing?

Weak or no cabin cooling, a refrigerant leak traced to the core, or a musty smell can be signs. Have the system diagnosed first, since these symptoms can have other causes.

What is a plate and fin design?

It describes the core's construction, with plates and fins that promote efficient heat transfer. Four Seasons states this design meets or exceeds OE cooling performance and efficiency.

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