OE Quality
60-Day Returns

Spectra 93057 HVAC Heater Core - Rear
Spectra 93057 Rear HVAC Heater Core
The Spectra 93057 HVAC heater core is a direct-fit replacement for rear climate control systems in select GM SUVs and trucks. It is built to meet or exceed original equipment performance, helping restore consistent cabin heat in the rear HVAC system.
Key Features
- Rear HVAC heater core for select GM applications
- OE-style replacement for factory rear heater core service
- Engineered and manufactured with quality control for reliable fit and function
- Cross-references Dorman - HELP 93057 for the same application
- Part number 93057 for easy identification and ordering
Vehicle Fitment
- Fits 2002-2006 Cadillac Escalade, rear, w/ Custom Front Floor Console (RPO D07)
- Fits 2003-2006 Cadillac Escalade ESV, rear, w/ Custom Front Floor Console (RPO D07)
- Fits 2002-2006 Cadillac Escalade EXT, rear, w/ Custom Front Floor Console (RPO D07)
- Fits 2000-2006 Chevrolet Suburban 1500, rear, w/ Custom Front Floor Console (RPO D07)
- Fits 2000-2006 Chevrolet Suburban 2500, rear, w/ Custom Front Floor Console (RPO D07)
- Fits 2000-2006 Chevrolet Tahoe, rear, w/ Custom Front Floor Console (RPO D07)
- Fits 2000-2006 GMC Yukon, rear, w/ Custom Front Floor Console (RPO D07)
- Fits 2000-2006 GMC Yukon XL 1500, rear, w/ Custom Front Floor Console (RPO D07)
- Fits 2000-2006 GMC Yukon XL 2500, rear, w/ Custom Front Floor Console (RPO D07)
Detailed Description
Use the Spectra 93057 heater core when servicing rear HVAC heat output in compatible Cadillac Escalade, Chevrolet Tahoe, Chevrolet Suburban, and GMC Yukon models equipped with the Custom Front Floor Console (RPO D07). This rear heater core is a practical replacement for vehicles that need restored heat transfer through the rear climate system. The Spectra 93057 is also a common cross-reference for Dorman - HELP 93057 applications.
Common Problems This Part Can Help Solve
- Weak or uneven rear cabin heat
- Cool air coming from rear vents when heat is selected
- Leaking heater core causing coolant odor or dampness
- Restricted heat flow through the rear HVAC circuit
- Failure of the original rear heater core from age or corrosion
Installation Notes and Tips
Confirm the vehicle has rear HVAC and the Custom Front Floor Console (RPO D07) before ordering. Match the part number 93057 to the original unit and inspect the cooling system for contamination, leaks, or restricted flow before installing the replacement heater core. Proper coolant refill and air bleeding are important after service.
Quality Assurance
Spectra Premium states that its HVAC heater cores are engineered, manufactured, and quality-controlled to meet or exceed original equipment performance.
This part fits 56 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006 | Cadillac | Escalade | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2006 | Cadillac | Escalade ESV | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2006 | Cadillac | Escalade EXT | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2006 | Chevrolet | Suburban 1500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2006 | Chevrolet | Suburban 2500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2006 | Chevrolet | Tahoe | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2006 | GMC | Yukon | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2006 | GMC | Yukon XL 1500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2006 | GMC | Yukon XL 2500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2005 | Cadillac | Escalade | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2005 | Cadillac | Escalade ESV | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2005 | Cadillac | Escalade EXT | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2005 | Chevrolet | Suburban 1500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2005 | Chevrolet | Suburban 2500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2005 | Chevrolet | Tahoe | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2005 | GMC | Yukon | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2005 | GMC | Yukon XL 1500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2005 | GMC | Yukon XL 2500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2004 | Cadillac | Escalade | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2004 | Cadillac | Escalade ESV | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2004 | Cadillac | Escalade EXT | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2004 | Chevrolet | Suburban 1500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2004 | Chevrolet | Suburban 2500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2004 | Chevrolet | Tahoe | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2004 | GMC | Yukon | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2004 | GMC | Yukon XL 1500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2004 | GMC | Yukon XL 2500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2003 | Cadillac | Escalade | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2003 | Cadillac | Escalade ESV | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2003 | Cadillac | Escalade EXT | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2003 | Chevrolet | Suburban 1500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2003 | Chevrolet | Suburban 2500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2003 | Chevrolet | Tahoe | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2003 | GMC | Yukon | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2003 | GMC | Yukon XL 1500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2003 | GMC | Yukon XL 2500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2002 | Cadillac | Escalade | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2002 | Cadillac | Escalade EXT | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2002 | Chevrolet | Suburban 1500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2002 | Chevrolet | Suburban 2500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2002 | Chevrolet | Tahoe | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2002 | GMC | Yukon | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2002 | GMC | Yukon XL 1500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2002 | GMC | Yukon XL 2500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2001 | Chevrolet | Suburban 1500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2001 | Chevrolet | Suburban 2500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2001 | Chevrolet | Tahoe | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2001 | GMC | Yukon | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2001 | GMC | Yukon XL 1500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2001 | GMC | Yukon XL 2500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2000 | Chevrolet | Suburban 1500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2000 | Chevrolet | Suburban 2500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2000 | Chevrolet | Tahoe | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2000 | GMC | Yukon | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2000 | GMC | Yukon XL 1500 | Rear | w/ Custom Front Floor Console (RPO D07) |
| 2000 | GMC | Yukon XL 2500 | Rear | w/ Custom Front Floor Console (RPO D07) |
* 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.