HomeHVAC > Motors, Core, Case and Related ComponentsSpectra 93057 HVAC Heater Core - Rear
Part #: 93057

Spectra 93057 HVAC Heater Core - Rear

Rear
56 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Cadillac, Chevrolet, and GMC, Escalade, Escalade ESV, Escalade EXT, Suburban 1500, Suburban 2500, Tahoe, Yukon, Yukon XL 1500, and Yukon XL 2500
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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:

YearMakeModelPositionNotes
2006CadillacEscaladeRearw/ Custom Front Floor Console (RPO D07)
2006CadillacEscalade ESVRearw/ Custom Front Floor Console (RPO D07)
2006CadillacEscalade EXTRearw/ Custom Front Floor Console (RPO D07)
2006ChevroletSuburban 1500Rearw/ Custom Front Floor Console (RPO D07)
2006ChevroletSuburban 2500Rearw/ Custom Front Floor Console (RPO D07)
2006ChevroletTahoeRearw/ Custom Front Floor Console (RPO D07)
2006GMCYukonRearw/ Custom Front Floor Console (RPO D07)
2006GMCYukon XL 1500Rearw/ Custom Front Floor Console (RPO D07)
2006GMCYukon XL 2500Rearw/ Custom Front Floor Console (RPO D07)
2005CadillacEscaladeRearw/ Custom Front Floor Console (RPO D07)
2005CadillacEscalade ESVRearw/ Custom Front Floor Console (RPO D07)
2005CadillacEscalade EXTRearw/ Custom Front Floor Console (RPO D07)
2005ChevroletSuburban 1500Rearw/ Custom Front Floor Console (RPO D07)
2005ChevroletSuburban 2500Rearw/ Custom Front Floor Console (RPO D07)
2005ChevroletTahoeRearw/ Custom Front Floor Console (RPO D07)
2005GMCYukonRearw/ Custom Front Floor Console (RPO D07)
2005GMCYukon XL 1500Rearw/ Custom Front Floor Console (RPO D07)
2005GMCYukon XL 2500Rearw/ Custom Front Floor Console (RPO D07)
2004CadillacEscaladeRearw/ Custom Front Floor Console (RPO D07)
2004CadillacEscalade ESVRearw/ Custom Front Floor Console (RPO D07)
2004CadillacEscalade EXTRearw/ Custom Front Floor Console (RPO D07)
2004ChevroletSuburban 1500Rearw/ Custom Front Floor Console (RPO D07)
2004ChevroletSuburban 2500Rearw/ Custom Front Floor Console (RPO D07)
2004ChevroletTahoeRearw/ Custom Front Floor Console (RPO D07)
2004GMCYukonRearw/ Custom Front Floor Console (RPO D07)
2004GMCYukon XL 1500Rearw/ Custom Front Floor Console (RPO D07)
2004GMCYukon XL 2500Rearw/ Custom Front Floor Console (RPO D07)
2003CadillacEscaladeRearw/ Custom Front Floor Console (RPO D07)
2003CadillacEscalade ESVRearw/ Custom Front Floor Console (RPO D07)
2003CadillacEscalade EXTRearw/ Custom Front Floor Console (RPO D07)
2003ChevroletSuburban 1500Rearw/ Custom Front Floor Console (RPO D07)
2003ChevroletSuburban 2500Rearw/ Custom Front Floor Console (RPO D07)
2003ChevroletTahoeRearw/ Custom Front Floor Console (RPO D07)
2003GMCYukonRearw/ Custom Front Floor Console (RPO D07)
2003GMCYukon XL 1500Rearw/ Custom Front Floor Console (RPO D07)
2003GMCYukon XL 2500Rearw/ Custom Front Floor Console (RPO D07)
2002CadillacEscaladeRearw/ Custom Front Floor Console (RPO D07)
2002CadillacEscalade EXTRearw/ Custom Front Floor Console (RPO D07)
2002ChevroletSuburban 1500Rearw/ Custom Front Floor Console (RPO D07)
2002ChevroletSuburban 2500Rearw/ Custom Front Floor Console (RPO D07)
2002ChevroletTahoeRearw/ Custom Front Floor Console (RPO D07)
2002GMCYukonRearw/ Custom Front Floor Console (RPO D07)
2002GMCYukon XL 1500Rearw/ Custom Front Floor Console (RPO D07)
2002GMCYukon XL 2500Rearw/ Custom Front Floor Console (RPO D07)
2001ChevroletSuburban 1500Rearw/ Custom Front Floor Console (RPO D07)
2001ChevroletSuburban 2500Rearw/ Custom Front Floor Console (RPO D07)
2001ChevroletTahoeRearw/ Custom Front Floor Console (RPO D07)
2001GMCYukonRearw/ Custom Front Floor Console (RPO D07)
2001GMCYukon XL 1500Rearw/ Custom Front Floor Console (RPO D07)
2001GMCYukon XL 2500Rearw/ Custom Front Floor Console (RPO D07)
2000ChevroletSuburban 1500Rearw/ Custom Front Floor Console (RPO D07)
2000ChevroletSuburban 2500Rearw/ Custom Front Floor Console (RPO D07)
2000ChevroletTahoeRearw/ Custom Front Floor Console (RPO D07)
2000GMCYukonRearw/ Custom Front Floor Console (RPO D07)
2000GMCYukon XL 1500Rearw/ Custom Front Floor Console (RPO D07)
2000GMCYukon XL 2500Rearw/ 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:

18117373992945247884866036148404900579010379930579604998057HT399294HTR010102REA1811737

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.