Cadillac CTS Heater Cores

We found 20 eBay listings for Cadillac CTS heater cores, covering model years 2003 to 2019.

20 listings available | Prices from $34.40 to $181.99|17 sellers

Last checked: . Confirm current price and fitment with the seller.

Compare heater cores options for the Cadillac CTS by part number, specification and seller fitment details. Matching listing titles mention 2003–2019; this is seller-described coverage, not confirmed fitment. Check the exact generation, engine and required specification before choosing a listing.

What the listings say: Of the 20 listings for Cadillac CTS heater cores checked on 8 November 2026, 19 give model years between 2003 and 2019, most often 2003–2007 (6). Titles are the sellers’ descriptions, not confirmed fitment: match the part number, model year, generation and engine before you buy.

20 Results

Heater Cores

Found 20 listings for "cadillac cts heater cores"

A-Premium HVAC Heater Core for Cadillac CTS 2003-2007 Sedan SRX 2004-2009 GAS

A-Premium HVAC Heater Core for Cadillac CTS 2003-2007 Sedan SRX 2004-2009 GAS

$64.99USD
New📍 US
Free shipping
Seller: a-premium-us
View listing on eBay
Spectra Premium 98062 HVAC Heater Core For Cadillac SRX, CTS

Spectra Premium 98062 HVAC Heater Core For Cadillac SRX, CTS

$40.35USD
New📍 US
Free shipping
Seller: eeuroparts
View listing on eBay
Heater Core For 2008-2015 Cadillac CTS 2009 2010 2011 2012 2013 2014 WX982SM

Heater Core For 2008-2015 Cadillac CTS 2009 2010 2011 2012 2013 2014 WX982SM

$63.17USD
New📍 US
Free shipping
Seller: guaranteedtofit
View listing on eBay
Heater Core Cabin Heat Exchange for Cadillac CTS 2003-2007

Heater Core Cabin Heat Exchange for Cadillac CTS 2003-2007

$181.99USD
New📍 US
Free shipping
Seller: autonst
View listing on eBay
TRQ Heater Core Fits 2003-2007 Cadillac CTS 2004-2009 SRX

TRQ Heater Core Fits 2003-2007 Cadillac CTS 2004-2009 SRX

$58.95USD
New📍 US
Free shipping
Seller: 1aauto
View listing on eBay
2011 - 2014 CADILLAC CTS COUPE HEATER CORE OEM

2011 - 2014 CADILLAC CTS COUPE HEATER CORE OEM

$59.50USD
Used📍 US
Free shipping
Seller: sh_parts
View listing on eBay
HVAC Heater Core for Cadillac CTS 2003-2007 SRX 2004 2005 2006 2007 2008 2009

HVAC Heater Core for Cadillac CTS 2003-2007 SRX 2004 2005 2006 2007 2008 2009

$58.69USD
New📍 US
Free shipping
Seller: partswholesale2u
View listing on eBay
Heater Core For 2013-2019 2016 Cadillac ATS 2014-2019 Cadillac CTS 84280246

Heater Core For 2013-2019 2016 Cadillac ATS 2014-2019 Cadillac CTS 84280246

$59.99USD
New📍 US
Free shipping
Seller: alloyworks_fitting
View listing on eBay
Heater Core For 2008-2011 Cadillac CTS

Heater Core For 2008-2011 Cadillac CTS

$53.97USD
New📍 US
Free shipping
Seller: majestic-auto
View listing on eBay
Heater Core Direct Fit 2005-2015 Cadillac CTS, STS 2.0, 3.0, 3.6, 4.4, 4.6, 6.2L

Heater Core Direct Fit 2005-2015 Cadillac CTS, STS 2.0, 3.0, 3.6, 4.4, 4.6, 6.2L

$34.40USD
New📍 US
Free shipping
Seller: majestic-auto
View listing on eBay
Heater Core Direct Fit 2003-2009 Cadillac CTS, SRX 2.8, 3.2, 3.6, 4.6, 5.7, 6.0L

Heater Core Direct Fit 2003-2009 Cadillac CTS, SRX 2.8, 3.2, 3.6, 4.6, 5.7, 6.0L

$48.40USD
New📍 US
Free shipping
Seller: majestic-auto
View listing on eBay
Heater Core for Cadillac ATS 2013-2019 2.0L 2.5L CTS 2014-2019 3.6L 6.2L

Heater Core for Cadillac ATS 2013-2019 2.0L 2.5L CTS 2014-2019 3.6L 6.2L

$117.99USD
New📍 US
Free shipping
Seller: fairsky
View listing on eBay
Heater Core Fits 2003-2007 Cadillac CTS 2004-2009 SRX

Heater Core Fits 2003-2007 Cadillac CTS 2004-2009 SRX

$58.85USD
New📍 US
Free shipping
Seller: am-autoparts
View listing on eBay
Heater Core fits 2004-2009 Cadillac SRX 03-07 Cadillac CTS Front

Heater Core fits 2004-2009 Cadillac SRX 03-07 Cadillac CTS Front

$63.99USD
New📍 US
Free shipping
Seller: patrickmahoney
View listing on eBay
GPD Heater Core fits 2008-2015 Cadillac CTS 05-11 Cadillac STS

GPD Heater Core fits 2008-2015 Cadillac CTS 05-11 Cadillac STS

$108.99USD
New📍 US
Free shipping
Seller: patrickmahoney
View listing on eBay
Heater Core for Cadillac CTS 2003-2007

Heater Core for Cadillac CTS 2003-2007

$157.99USD
New📍 US
Free shipping
Seller: autogearbox
View listing on eBay
25740392 Heater Core for Cadillac CTS 2003-09 SRX 2004-09 V6 V8 2.8L 3.2L

25740392 Heater Core for Cadillac CTS 2003-09 SRX 2004-09 V6 V8 2.8L 3.2L

$48.45USD
New📍 US
Free shipping
Seller: rayten88
View listing on eBay
2008-2013 Cadillac CTS V OEM Heater Core Housing Assembly

2008-2013 Cadillac CTS V OEM Heater Core Housing Assembly

$144.49USD
Used📍 US
+ $100.00 shipping
Seller: clevelandpap
View listing on eBay
Heater Core for Cadillac CTS 2003-2007

Heater Core for Cadillac CTS 2003-2007

$164.99USD
New📍 US
Free shipping
Seller: campwise
View listing on eBay
11924 HVAC Heater Core for Cadillac CTS 2008-2015 STS 2005-2011

11924 HVAC Heater Core for Cadillac CTS 2008-2015 STS 2005-2011

$107.99USD
New📍 US
Free shipping
Seller: carpartgear
View listing on eBay

Questions about these listings

Which model years are named in the listings for Cadillac CTS heater cores?

19 listing titles give model years from 2003 to 2019; 2003–2007 appears most often (6 listings). Check your car’s year against the fitment details in each listing.

How do I check fitment before buying Cadillac CTS heater cores?

Match the part number on your old part with the listing, then confirm the model year, generation and engine in the seller’s fitment details. Titles are the sellers’ descriptions, not confirmed fitment.

Check compatibility before buying

These listings were found using Cadillac CTS heater cores search terms. A search match does not establish fitment. Compare the part number, vehicle year, generation and engine with the seller's compatibility details. Confirm delivery, returns and the final price on eBay before ordering.