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Four Seasons
Heater CoreFour Seasons 92023 HVAC Heater Core - Front
| Brand | Four Seasons 92023 |
|---|---|
| Position | Front |
| Length | 7-5/8 |
| Thickness | 2 |
| Width | 7-3/8 |
| Core Material | Aluminum |
| Adjustable Pipe Positioning | No |
| Core Depth IN | 2 |
| Core Height IN | 7.625 |
| Core Width IN | 7.375 |
| Description | Heater cores |
| Meets / Exceeds OEM? | Yes |
| Style | Aluminum heater core |
| Tube 1 IN | 0.75 |
| Tube 1 MM | 19.05 |
| Tube 2 IN | 0.75 |
| Tube 2 MM | 19.05 |
| Type | Heater core /aluminum |
| Product line | Heater Core |
| Fits | Cadillac, Chevrolet, GMC, and Hummer · 102 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable fit and function.
Aluminum construction. Lightweight core material helps deliver efficient heat transfer.
Heater core. Restores the HVAC system's ability to warm cabin air.
Cross-references APDI 9010463, Dorman - HELP 91023 and Dorman - HELP 99374 for the same application. See all 12.
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Not what you need? See all HVAC Heater Core options
Heater Core for GM Trucks and SUVs
Four Seasons Heater Core 92023 is an aluminum HVAC heater core built for direct replacement in select Chevrolet, GMC, Cadillac, and Hummer applications. It matches the listed OE-style dimensions and meets or exceeds OEM requirements for a dependable cabin heat repair.
Key Features
- Aluminum heater core construction for efficient heat transfer
- Core dimensions: 7-5/8 in. length, 7-3/8 in. width, 2 in. thickness
- Tube size: 0.75 in. inlet and 0.75 in. outlet
- Meets or exceeds OEM specifications
- Four Seasons Heater Core line for HVAC replacement service
- Part number 92023 for catalog and fitment matching
Product Details
The Four Seasons 92023 heater core is an aluminum heater core designed for HVAC systems that need accurate fitment and consistent heat exchange. Its compact core height of 7.625 in., core width of 7.375 in., and core depth of 2 in. support OE-style replacement in vehicles such as the Chevrolet Silverado 1500, GMC Sierra 2500 HD, Cadillac Escalade EXT, and Hummer H2. This part cross-references Dorman - HELP 91023 for the same application.
Compatible With 2002-2006 Chevrolet Avalanche 1500, w/ Custom Center Console; 2002-2006 Chevrolet Avalanche 2500, w/ Custom Center Console; 2003-2006 Chevrolet Silverado 1500, w/ Custom Center Console; 2003-2006 GMC Sierra 1500, w/ Rear Vents In Center Console; and other listed GM truck and SUV configurations. The Four Seasons 92023 is built for buyers replacing a leaking or restricted heater core in GM full-size trucks and related platforms.
Common Repair Reasons
- No cabin heat from a restricted or failed heater core
- Coolant odor inside the vehicle from heater core leakage
- Window fogging caused by HVAC coolant seepage
- Uneven or weak heat output in the Chevrolet Silverado or GMC Sierra HVAC system
- Cooling system contamination tied to an aging heater core
Installation Notes
Verify core dimensions, tube orientation, and vehicle configuration before installation. This unit does not use adjustable pipe positioning, so matching the original HVAC layout is important. Confirm the application notes for console and rear-vent configurations on Chevrolet Avalanche, Silverado, and GMC Sierra models before service.
Quality Assurance
Four Seasons lists this heater core as meeting or exceeding OEM requirements, supporting a direct-fit replacement standard for HVAC repair work.
This part fits 102 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2007 | Chevrolet | Avalanche | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2007 | Chevrolet | Silverado 1500 Classic | Extended Cab Pickup | 6.0L | V8 | N/A | w/ Custom Front Floor Console; Heater Core |
| 2007 | Chevrolet | Silverado 1500 Classic | Crew Cab Pickup | 6.0L | V8 | N/A | w/ Custom Front Floor Console; Heater Core |
| 2007 | Chevrolet | Silverado 1500 Classic | Extended Cab Pickup | 4.3L | V6 | N/A | w/ Custom Front Floor Console; Heater Core |
| 2007 | Chevrolet | Silverado 1500 Classic | Crew Cab Pickup | 4.3L | V6 | N/A | w/ Custom Front Floor Console; Heater Core |
| 2007 | Chevrolet | Silverado 1500 Classic | Extended Cab Pickup | 4.8L | V8 | N/A | w/ Custom Front Floor Console; Heater Core |
| 2007 | Chevrolet | Silverado 1500 Classic | Crew Cab Pickup | 4.8L | V8 | N/A | w/ Custom Front Floor Console; Heater Core |
| 2007 | Chevrolet | Silverado 1500 Classic | Extended Cab Pickup | 5.3L | V8 | N/A | w/ Custom Front Floor Console; Heater Core |
| 2007 | Chevrolet | Silverado 1500 Classic | Crew Cab Pickup | 5.3L | V8 | N/A | w/ Custom Front Floor Console; Heater Core |
| 2007 | Chevrolet | Silverado 1500 HD Classic | Crew Cab Pickup | 6.0L | V8 | N/A | w/ Custom Front Floor Console; Heater Core |
| 2007 | Chevrolet | Silverado 2500 HD Classic | Extended Cab Pickup | 6.0L | V8 | N/A | w/ Custom Front Floor Console; Heater Core |
| 2007 | Chevrolet | Silverado 2500 HD Classic | Crew Cab Pickup | 6.0L | V8 | N/A | w/ Custom Front Floor Console; Heater Core |
| 2007 | Chevrolet | Silverado 2500 HD Classic | Extended Cab Pickup | 8.1L | V8 | N/A | w/ Custom Front Floor Console; Heater Core |
| 2007 | Chevrolet | Silverado 2500 HD Classic | Crew Cab Pickup | 8.1L | V8 | N/A | w/ Custom Front Floor Console; Heater Core |
| 2007 | Chevrolet | Silverado 2500 HD Classic | Extended Cab Pickup | 6.6L | V8 | N/A | w/ Custom Front Floor Console; Heater Core |
| 2007 | Chevrolet | Silverado 2500 HD Classic | Crew Cab Pickup | 6.6L | V8 | N/A | w/ Custom Front Floor Console; Heater Core |
| 2007 | Chevrolet | Silverado 3500 Classic | Extended Cab Pickup | 6.0L | V8 | N/A | w/ Custom Front Floor Console; Heater Core |
| 2007 | Chevrolet | Silverado 3500 Classic | Crew Cab Pickup | 6.0L | V8 | N/A | w/ Custom Front Floor Console; Heater Core |
| 2007 | Chevrolet | Silverado 3500 Classic | Extended Cab Pickup | 8.1L | V8 | N/A | w/ Custom Front Floor Console; Heater Core |
| 2007 | Chevrolet | Silverado 3500 Classic | Crew Cab Pickup | 8.1L | V8 | N/A | w/ Custom Front Floor Console; Heater Core |
| 2007 | Chevrolet | Silverado 3500 Classic | Extended Cab Pickup | 6.6L | V8 | N/A | w/ Custom Front Floor Console; Heater Core |
| 2007 | Chevrolet | Silverado 3500 Classic | Crew Cab Pickup | 6.6L | V8 | N/A | w/ Custom Front Floor Console; Heater Core |
| 2007 | GMC | Sierra 1500 Classic | Extended Cab Pickup | 6.0L | V8 | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2007 | GMC | Sierra 1500 Classic | Crew Cab Pickup | 6.0L | V8 | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2007 | GMC | Sierra 1500 Classic | Extended Cab Pickup | 4.3L | V6 | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2007 | GMC | Sierra 1500 Classic | Crew Cab Pickup | 4.3L | V6 | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2007 | GMC | Sierra 1500 Classic | Extended Cab Pickup | 4.8L | V8 | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2007 | GMC | Sierra 1500 Classic | Crew Cab Pickup | 4.8L | V8 | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2007 | GMC | Sierra 1500 Classic | Extended Cab Pickup | 5.3L | V8 | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2007 | GMC | Sierra 1500 Classic | Crew Cab Pickup | 5.3L | V8 | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2007 | GMC | Sierra 1500 HD Classic | Crew Cab Pickup | 6.0L | V8 | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2007 | GMC | Sierra 2500 HD Classic | Extended Cab Pickup | 6.0L | V8 | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2007 | GMC | Sierra 2500 HD Classic | Crew Cab Pickup | 6.0L | V8 | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2007 | GMC | Sierra 2500 HD Classic | Extended Cab Pickup | 8.1L | V8 | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2007 | GMC | Sierra 2500 HD Classic | Crew Cab Pickup | 8.1L | V8 | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2007 | GMC | Sierra 2500 HD Classic | Extended Cab Pickup | 6.6L | V8 | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2007 | GMC | Sierra 2500 HD Classic | Crew Cab Pickup | 6.6L | V8 | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2007 | GMC | Sierra 3500 Classic | Extended Cab Pickup | 6.0L | V8 | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2007 | GMC | Sierra 3500 Classic | Crew Cab Pickup | 6.0L | V8 | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2007 | GMC | Sierra 3500 Classic | Extended Cab Pickup | 8.1L | V8 | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2007 | GMC | Sierra 3500 Classic | Crew Cab Pickup | 8.1L | V8 | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2007 | GMC | Sierra 3500 Classic | Extended Cab Pickup | 6.6L | V8 | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2007 | GMC | Sierra 3500 Classic | Crew Cab Pickup | 6.6L | V8 | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2007 | Hummer | H2 | — | — | — | N/A | Heater Core |
| 2006 | Cadillac | Escalade EXT | — | — | — | Front | w/ Custom Front Floor Console; Heater Core |
| 2006 | Chevrolet | Avalanche 1500 | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2006 | Chevrolet | Avalanche 2500 | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2006 | Chevrolet | Cheyenne | — | — | — | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2006 | Chevrolet | Silverado 1500 | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2006 | Chevrolet | Silverado 1500 HD | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2006 | Chevrolet | Silverado 2500 | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2006 | Chevrolet | Silverado 2500 HD | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2006 | Chevrolet | Silverado 3500 | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2006 | GMC | Sierra 1500 | — | — | — | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2006 | GMC | Sierra 1500 HD | — | — | — | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2006 | GMC | Sierra 2500 HD | — | — | — | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2006 | GMC | Sierra 3500 | — | — | — | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2006 | Hummer | H2 | — | — | — | N/A | Heater Core |
| 2005 | Cadillac | Escalade EXT | — | — | — | Front | w/ Custom Front Floor Console; Heater Core |
| 2005 | Chevrolet | Avalanche 1500 | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2005 | Chevrolet | Avalanche 2500 | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2005 | Chevrolet | Cheyenne | — | — | — | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2005 | Chevrolet | Silverado 1500 | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2005 | Chevrolet | Silverado 1500 HD | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2005 | Chevrolet | Silverado 2500 | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2005 | Chevrolet | Silverado 2500 HD | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2005 | Chevrolet | Silverado 3500 | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2005 | GMC | Sierra 1500 | — | — | — | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2005 | GMC | Sierra 1500 HD | — | — | — | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2005 | GMC | Sierra 2500 HD | — | — | — | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2005 | GMC | Sierra 3500 | — | — | — | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2005 | Hummer | H2 | — | — | — | N/A | Heater Core |
| 2004 | Cadillac | Escalade EXT | — | — | — | Front | w/ Custom Front Floor Console; Heater Core |
| 2004 | Chevrolet | Avalanche 1500 | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2004 | Chevrolet | Avalanche 2500 | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2004 | Chevrolet | Cheyenne | — | — | — | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2004 | Chevrolet | Silverado 1500 | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2004 | Chevrolet | Silverado 2500 | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2004 | Chevrolet | Silverado 2500 HD | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2004 | Chevrolet | Silverado 3500 | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2004 | GMC | Sierra 1500 | — | — | — | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2004 | GMC | Sierra 2500 | — | — | — | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2004 | GMC | Sierra 2500 HD | — | — | — | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2004 | GMC | Sierra 3500 | — | — | — | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2004 | Hummer | H2 | — | — | — | N/A | Heater Core |
| 2003 | Cadillac | Escalade EXT | — | — | — | Front | w/ Custom Front Floor Console; Heater Core |
| 2003 | Chevrolet | Avalanche 1500 | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2003 | Chevrolet | Avalanche 2500 | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2003 | Chevrolet | Cheyenne | — | — | — | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2003 | Chevrolet | Silverado 1500 | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2003 | Chevrolet | Silverado 1500 HD | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2003 | Chevrolet | Silverado 2500 | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2003 | Chevrolet | Silverado 2500 HD | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2003 | Chevrolet | Silverado 3500 | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2003 | GMC | Sierra 1500 | — | — | — | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2003 | GMC | Sierra 1500 HD | — | — | — | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2003 | GMC | Sierra 2500 | — | — | — | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2003 | GMC | Sierra 2500 HD | — | — | — | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2003 | GMC | Sierra 3500 | — | — | — | N/A | w/ Rear Vents In Center Console; Heater Core |
| 2003 | Hummer | H2 | — | — | — | N/A | Heater Core |
| 2002 | Chevrolet | Avalanche 1500 | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| 2002 | Chevrolet | Avalanche 2500 | — | — | — | N/A | w/ Custom Center Console; Heater Core |
| No rows match your filter. | |||||||
Directly replaces or cross-references 12 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
APDI — 9010463Dorman - HELP — 91023Dorman - HELP — 99374Edelmann — 92023Focus Auto Parts — 99079Global Parts Distributors LLC — 181234239999255102315628271925898988986627ACD1562827