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OE Quality
60-Day Returns
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Universal AirPart #: HT400042C
Universal Air HT400042C HVAC Heater Core
⚙️ 7 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$97.43Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦Heater Core
🚗Fitment: Cadillac and Chevrolet, Impala and XTS
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all HVAC Heater Core options
Universal Air HT400042C HVAC Heater Core
This part fits 7 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2020 | Chevrolet | Impala | N/A | Heater Core |
| 2019 | Chevrolet | Impala | N/A | Heater Core |
| 2018 | Chevrolet | Impala | N/A | Heater Core |
| 2016 | Cadillac | XTS | N/A | Heater Core |
| 2016 | Chevrolet | Impala | N/A | Heater Core |
| 2015 | Cadillac | XTS | N/A | Heater Core |
| 2015 | Chevrolet | Impala | N/A | Heater Core |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.