Product Information Used OEM GM Heater Inlet and Outlet Pipe Assembly, part number 12644554. Designed to route engine coolant to and from the heater core.…
Product description
Vehicle Compatibility
| Make | Model | Year |
|---|---|---|
| Cadillac | CTS | 2014 |
| Cadillac | ATS | 2013 |
| Cadillac | ATS | 2018 |
| Cadillac | CTS | 2018 |
| Cadillac | CT4 | 2022 |
| Cadillac | CTS | 2012 |
| Cadillac | CT4 | 2025 |
| Cadillac | CTS | 2011 |
| Cadillac | CTS | 2010 |
| Cadillac | STS | 2010 |
| Cadillac | STS | 2011 |
| Cadillac | CT4 | 2024 |
| Cadillac | CT4 | 2023 |
| Cadillac | CT4 | 2026 |
| Cadillac | CTS | 2013 |
| Cadillac | ATS | 2016 |
| Cadillac | ATS | 2017 |
| Cadillac | ATS | 2014 |
| Cadillac | ATS | 2015 |
| Cadillac | CTS | 2015 |
| Cadillac | CTS | 2016 |
| Cadillac | CTS | 2017 |
| Cadillac | ATS | 2019 |
| Cadillac | CTS | 2019 |
Vehicle compatibility
Verified fitment — high-confidence structured evidence
Compatibility table21 vehicles
Compatibility is expanded from the OE number’s donor vehicle to the matching MVL chassis generation (all listed trims/engines/years). When in doubt, match the OE number against your vehicle’s parts catalog or ask our team.
Technical details
- Category
- HVAC Controls
- Brand
- Cadillac
- Manufacturer part number
- 12644554
- Condition
- Used
- Part source
- OEM
- Position
- Heater Inlet and Outlet
- Placement
- Heater Inlet and Outlet
- Brand type
- Cadillac
- Country of origin
- United States
Photos show the actual item where provided by the seller. Report inaccurate listings to our team.