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OE Quality
60-Day Returns
One Stop SolutionsPart #: 99031
One Stop Solutions 99031 HVAC Heater Core - Front
5 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$99.38Free 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
Fitment: Chevrolet, GMC, and Oldsmobile, Bravada, Envoy, Envoy XL, Trailblazer, and Trailblazer EXT
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? See all HVAC Heater Core options
One Stop Solutions 99031 HVAC Heater Core - Front
This part fits 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2002 | Chevrolet | Trailblazer | 4.2L | L6 | Front | |
| 2002 | Chevrolet | Trailblazer EXT | 4.2L | L6 | Front | |
| 2002 | GMC | Envoy | 4.2L | L6 | Front | |
| 2002 | GMC | Envoy XL | 4.2L | L6 | Front | |
| 2002 | Oldsmobile | Bravada | 4.2L | L6 | Front |
* 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:
39929799375
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.