Global Parts 8231600 HVAC Heater Core - Rear
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Global Parts

Global Parts 8231600 HVAC Heater Core - Rear

Brand Global Parts 8231600
Position Rear
Fits Toyota · 6 vehicles

Specific fit. Made for a direct, application-specific replacement.

Aluminum construction. Helps transfer heat efficiently through the HVAC system.

Heater core. Transfers heat from the cooling system into the cabin.

Cross-references Four Seasons 90073, Spectra Premium 93073 and Spectra Premium 98073 for the same application. See all 4.

$146.18Free shipping
In stock · usually ships same day before 1pm CST
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Heater Core for Rear HVAC Service

Global Parts 8231600 is a specific-fit HVAC heater core for rear climate control service on select Toyota Sienna models. Built from aluminum, it transfers heat from the engine cooling system into the cabin to restore proper rear passenger heat output.

  • Specific-fit heater core for direct application matching
  • Aluminum construction for efficient heat transfer
  • Rear HVAC location for the listed vehicle application
  • Fits 1998-2003 Toyota Sienna, rear, w/1 Sliding Door
  • Cross-reference part numbers include Four Seasons 90073 and Spectra Premium 93073

Product Details

This Global Parts heater core, part number 8231600, is built for 1998-2003 Toyota Sienna rear HVAC systems with one sliding door. As the coolant passes through the core, heat is transferred into the cabin air stream to support rear passenger comfort. The aluminum design helps maintain efficient thermal transfer in a compact HVAC housing. This part cross-references Four Seasons 90073 and Spectra Premium 93073 for the same application.

Common Repair Symptoms

  • Weak or no rear heat from the HVAC system
  • Coolant odor inside the cabin
  • Fogging or film on interior glass from heater core leakage
  • Coolant loss traced to the rear HVAC circuit
  • Uneven cabin temperature in a Toyota Sienna rear climate system

Installation Notes

Verify rear HVAC configuration and vehicle fitment before installation. This heater core is listed for 1998-2003 Toyota Sienna, rear, w/1 Sliding Door, and uses a specific-fit design. Inspect coolant hoses, seals, and the HVAC housing for wear or contamination during service, and flush the cooling system if debris or corrosion is present.

Quality Assurance

Global Parts supplies HVAC replacement components for direct-fit service applications. Part number 8231600 is specified for the listed Toyota Sienna fitment and uses aluminum construction for heat transfer performance.

Related reading

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2003ToyotaSienna3.0LV6Rearw/1 Sliding Door
2002ToyotaSienna3.0LV6Rearw/1 Sliding Door
2001ToyotaSienna3.0LV6Rearw/1 Sliding Door
2000ToyotaSienna3.0LV6Rearw/1 Sliding Door
1999ToyotaSienna3.0LV6Rearw/1 Sliding Door
1998ToyotaSienna3.0LV6Rearw/1 Sliding Door
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 90073Spectra Premium — 93073Spectra Premium — 980739010415