/live/media/UC/UC_HT400025C_Fro.jpg)
OE Quality
60-Day Returns
Universal Air
Heater Core AluminumUniversal Air HT400025C HVAC Heater Core - Rear
| Brand | Universal Air HT400025C |
|---|---|
| Position | Rear |
| Product line | Heater Core Aluminum |
| Fits | Cadillac, Chevrolet, and GMC · 77 vehicles |
Aluminum construction. Helps promote efficient heat transfer in the HVAC system.
Heater core. A core component for delivering cabin heat.
$76.99Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all HVAC Heater Core options
Rear HVAC Heater Core for GM SUVs
Universal Air HT400025C is a rear HVAC heater core for select Cadillac, Chevrolet, and GMC full-size SUVs. It is listed for rear applications on models such as the Cadillac Escalade ESV, Chevrolet Suburban, and GMC Yukon XL, covering 2007-2020 model years across the fitment range.
Key Features
- Heater core aluminum construction
- Rear HVAC heater core application
- Direct fitment for select GM full-size SUVs
- Fits rear HVAC systems on Cadillac Escalade ESV, Chevrolet Suburban, and GMC Yukon XL applications
- Part number HT400025C for ordering and catalog lookup
Fitment Details
- Fits 2007-2020 Cadillac Escalade ESV, rear.
- Fits 2015-2020 GMC Yukon XL, rear.
- Fits 2016-2019 Chevrolet Suburban 3500 HD, rear.
- Fits 2007-2014 Chevrolet Suburban 1500, rear.
- Fits 2007-2014 GMC Yukon XL 1500, N/A.
- Fits 2007-2013 Chevrolet Suburban 2500, rear.
- Fits 2007-2013 GMC Yukon XL 2500, rear.
What This Heater Core Helps Address
- Loss of rear cabin heat
- Restricted coolant flow through the rear HVAC circuit
- Leaking or corroded heater core in the rear system
- Uneven temperature output between front and rear zones
- Reduced defrost and passenger comfort in cold weather
Installation Notes
Verify the vehicle year, make, model, and rear HVAC configuration before ordering. This part number, HT400025C, is listed for rear applications only in the supported GM SUV fitment range. Confirm the existing heater core layout and connection points during diagnosis to ensure the replacement matches the original unit.
Quality Assurance
Universal Air identifies this part as a Heater Core Aluminum product line component. Use the catalog fitment data to confirm application before installation.
This part fits 77 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2020 | Cadillac | Escalade ESV | — | — | — | — | Rear | Heater Core Aluminum |
| 2020 | GMC | Yukon XL | — | — | — | — | Rear | Heater Core Aluminum |
| 2019 | Cadillac | Escalade ESV | — | — | — | — | Rear | Heater Core Aluminum |
| 2019 | Chevrolet | Suburban 3500 HD | — | — | — | — | Rear | Heater Core Aluminum |
| 2019 | GMC | Yukon XL | — | — | — | — | Rear | Heater Core Aluminum |
| 2018 | Cadillac | Escalade ESV | Base | — | — | FLEX | Rear | Heater Core Aluminum |
| 2018 | Cadillac | Escalade ESV | Platinum | — | — | FLEX | Rear | Heater Core Aluminum |
| 2018 | Cadillac | Escalade ESV | Luxury | — | — | FLEX | Rear | Heater Core Aluminum |
| 2018 | Cadillac | Escalade ESV | Premium Luxury | — | — | FLEX | Rear | Heater Core Aluminum |
| 2018 | Cadillac | Escalade ESV | Luxury | — | — | GAS | Rear | Heater Core Aluminum |
| 2018 | Cadillac | Escalade ESV | Premium Luxury | — | — | GAS | Rear | Heater Core Aluminum |
| 2018 | Cadillac | Escalade ESV | Base | — | — | GAS | Rear | Heater Core Aluminum |
| 2018 | Cadillac | Escalade ESV | Platinum | — | — | GAS | Rear | Heater Core Aluminum |
| 2018 | Cadillac | Escalade ESV | Premium | — | — | FLEX | Rear | Heater Core Aluminum |
| 2018 | Chevrolet | Suburban 3500 HD | — | — | — | FLEX | Rear | Heater Core Aluminum |
| 2018 | GMC | Yukon XL | — | — | — | FLEX | Rear | Heater Core Aluminum |
| 2017 | Cadillac | Escalade ESV | — | — | — | — | Rear | Heater Core Aluminum |
| 2017 | Chevrolet | Suburban 3500 HD | — | — | — | FLEX | Rear | Heater Core Aluminum |
| 2017 | GMC | Yukon XL | — | — | — | FLEX | Rear | Heater Core Aluminum |
| 2016 | Cadillac | Escalade ESV | — | — | — | — | Rear | Heater Core Aluminum |
| 2016 | Chevrolet | Suburban 3500 HD | — | — | — | — | Rear | Heater Core Aluminum |
| 2016 | GMC | Yukon XL | — | — | — | — | Rear | Heater Core Aluminum |
| 2015 | Cadillac | Escalade ESV | Base | — | — | FLEX | Rear | Heater Core Aluminum |
| 2015 | Cadillac | Escalade ESV | Platinum | — | — | FLEX | Rear | Heater Core Aluminum |
| 2015 | Cadillac | Escalade ESV | Premium | — | — | GAS | Rear | Heater Core Aluminum |
| 2015 | Cadillac | Escalade ESV | Luxury | — | — | FLEX | Rear | Heater Core Aluminum |
| 2015 | Cadillac | Escalade ESV | Base | — | — | GAS | Rear | Heater Core Aluminum |
| 2015 | Cadillac | Escalade ESV | Platinum | — | — | GAS | Rear | Heater Core Aluminum |
| 2015 | Cadillac | Escalade ESV | Premium | — | — | FLEX | Rear | Heater Core Aluminum |
| 2015 | Cadillac | Escalade ESV | Luxury | — | — | GAS | Rear | Heater Core Aluminum |
| 2015 | GMC | Yukon XL | — | — | — | — | Rear | Heater Core Aluminum |
| 2014 | Cadillac | Escalade ESV | — | — | — | — | Rear | Heater Core Aluminum |
| 2014 | Chevrolet | Suburban 1500 | — | — | — | — | Rear | Heater Core Aluminum |
| 2014 | GMC | Yukon XL 1500 | — | — | — | — | N/A | Heater Core Aluminum |
| 2013 | Cadillac | Escalade ESV | — | — | — | — | Rear | Heater Core Aluminum |
| 2013 | Chevrolet | Suburban 1500 | — | — | — | — | Rear | Heater Core Aluminum |
| 2013 | Chevrolet | Suburban 2500 | — | — | — | — | Rear | Heater Core Aluminum |
| 2013 | GMC | Yukon XL 1500 | — | — | — | — | N/A | Heater Core Aluminum |
| 2013 | GMC | Yukon XL 2500 | — | — | — | — | Rear | Heater Core Aluminum |
| 2012 | Cadillac | Escalade ESV | Base | — | — | — | Rear | Heater Core Aluminum |
| 2012 | Cadillac | Escalade ESV | Platinum | — | — | — | Rear | Heater Core Aluminum |
| 2012 | Cadillac | Escalade ESV | Special Edition | — | — | — | Rear | Heater Core Aluminum |
| 2012 | Cadillac | Escalade ESV | Luxury | — | — | — | Rear | Heater Core Aluminum |
| 2012 | Cadillac | Escalade ESV | Premium | — | — | — | Rear | Heater Core Aluminum |
| 2012 | Chevrolet | Suburban 1500 | — | — | — | — | Rear | Heater Core Aluminum |
| 2012 | Chevrolet | Suburban 2500 | LS | 6.0L | V8 | — | Rear | Heater Core Aluminum |
| 2012 | Chevrolet | Suburban 2500 | LT | 6.0L | V8 | — | Rear | Heater Core Aluminum |
| 2012 | GMC | Yukon XL 1500 | — | — | — | — | N/A | Heater Core Aluminum |
| 2012 | GMC | Yukon XL 2500 | — | — | — | — | Rear | Heater Core Aluminum |
| 2011 | Cadillac | Escalade ESV | — | — | — | — | Rear | Heater Core Aluminum |
| 2011 | Chevrolet | Suburban 1500 | — | — | — | — | Rear | Heater Core Aluminum |
| 2011 | Chevrolet | Suburban 2500 | LS | 6.0L | V8 | — | Rear | Heater Core Aluminum |
| 2011 | Chevrolet | Suburban 2500 | LT | 6.0L | V8 | — | Rear | Heater Core Aluminum |
| 2011 | GMC | Yukon XL 1500 | — | — | — | — | N/A | Heater Core Aluminum |
| 2011 | GMC | Yukon XL 2500 | — | — | — | — | Rear | Heater Core Aluminum |
| 2010 | Cadillac | Escalade ESV | — | — | — | — | Rear | Heater Core Aluminum |
| 2010 | Chevrolet | Suburban 1500 | — | 5.3L | V8 | — | Rear | Heater Core Aluminum |
| 2010 | Chevrolet | Suburban 1500 | — | 6.0L | V8 | — | Rear | Heater Core Aluminum |
| 2010 | Chevrolet | Suburban 2500 | — | — | — | — | Rear | Heater Core Aluminum |
| 2010 | GMC | Yukon XL 1500 | — | — | — | — | N/A | Heater Core Aluminum |
| 2010 | GMC | Yukon XL 2500 | — | — | — | — | Rear | Heater Core Aluminum |
| 2009 | Cadillac | Escalade ESV | — | — | — | — | Rear | Heater Core Aluminum |
| 2009 | Chevrolet | Suburban 1500 | — | 5.3L | V8 | — | Rear | Heater Core Aluminum |
| 2009 | Chevrolet | Suburban 1500 | — | 6.0L | V8 | — | Rear | Heater Core Aluminum |
| 2009 | Chevrolet | Suburban 2500 | — | — | — | — | Rear | Heater Core Aluminum |
| 2009 | GMC | Yukon XL 1500 | — | — | — | — | N/A | Heater Core Aluminum |
| 2009 | GMC | Yukon XL 2500 | — | — | — | — | Rear | Heater Core Aluminum |
| 2008 | Cadillac | Escalade ESV | — | — | — | — | Rear | Heater Core Aluminum |
| 2008 | Chevrolet | Suburban 1500 | — | — | — | — | Rear | Heater Core Aluminum |
| 2008 | Chevrolet | Suburban 2500 | — | — | — | — | Rear | Heater Core Aluminum |
| 2008 | GMC | Yukon XL 1500 | — | — | — | — | N/A | Heater Core Aluminum |
| 2008 | GMC | Yukon XL 2500 | — | — | — | — | Rear | Heater Core Aluminum |
| 2007 | Cadillac | Escalade ESV | — | — | — | — | Rear | Heater Core Aluminum |
| 2007 | Chevrolet | Suburban 1500 | — | — | — | — | Rear | Heater Core Aluminum |
| 2007 | Chevrolet | Suburban 2500 | — | — | — | — | Rear | Heater Core Aluminum |
| 2007 | GMC | Yukon XL 1500 | — | — | — | — | N/A | Heater Core Aluminum |
| 2007 | GMC | Yukon XL 2500 | — | — | — | — | Rear | Heater Core Aluminum |
| No rows match your filter. | ||||||||