OE Quality
60-Day Returns

Spectra 93076 HVAC Heater Core - Rear
Spectra 93076 Rear Heater Core
The Spectra 93076 HVAC heater core is a direct-fit replacement for rear climate control service on select Toyota Sienna models. It is built to meet or exceed original equipment performance expectations for heat transfer and cabin comfort.
Key Features
- Rear HVAC heater core for select Toyota Sienna applications
- OE-style replacement for rear heating system service
- Engineered with manufacturing controls to support consistent fit and performance
- Cross-references Spectra Premium 98076 for the same application
- Part number: 93076
Vehicle Fitment
Compatible with 1998-2003 Toyota Sienna, rear, w/ Dual Sliding Doors.
This part cross-references Four Seasons 90076 for the same application.
What It Helps Address
- Weak or uneven rear cabin heat
- Coolant seepage from a failing heater core
- Restricted heat output caused by internal blockage
- Fogging or sweet odor from heater core leakage
- Rear HVAC performance loss in a Toyota Sienna
Installation Notes and Tips
Verify rear HVAC configuration before installation, including the dual sliding door setup listed for fitment. Inspect coolant hoses, clamps, and the surrounding HVAC case for wear or contamination while servicing the heater core. Proper system bleeding after installation helps restore normal heater performance.
Quality Assurance
Spectra Premium states that its engineering, manufacturing technology, and quality control are used to produce heater cores that meet or exceed original equipment performance standards.
This part fits 6 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2003 | Toyota | Sienna | Rear | w/ Dual Sliding Doors |
| 2002 | Toyota | Sienna | Rear | w/ Dual Sliding Doors |
| 2001 | Toyota | Sienna | Rear | w/ Dual Sliding Doors |
| 2000 | Toyota | Sienna | Rear | w/ Dual Sliding Doors |
| 1999 | Toyota | Sienna | Rear | w/ Dual Sliding Doors |
| 1998 | Toyota | Sienna | Rear | w/ Dual Sliding Doors |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.