2000-2013 Silverado Sierra Tahoe Suburban Aux Heater Inlet Hose Tee...
This is a Genuine OEM GM Auxiliary HVAC Heater Inlet Hose Tee, designed for the auxiliary/rear heater circuit on vehicles equipped with a rear or auxiliary HVAC system. It fits the Chevrolet Silverado, Suburban, and Tahoe, GMC Sierra, Yukon, and Yukon XL, Cadillac Escalade, Escalade EXT, and Escalade ESV, and the Hummer H2.
This is a direct-fit Genuine GM OEM replacement part, ensuring factory-correct fit and function with no modifications required. The tee provides quick coupling of heater hoses to the heater core, engine, and heater valves on the auxiliary inlet hose side — not the primary heater circuit. It is black in color and measures approximately 113mm in length. Compatible with 4.3L V6, 4.8L V8, 5.3L V8, 6.0L V8, 6.2L V8, 8.1L V8, and 6.6L V8 Duramax Diesel engines. This part applies only to vehicles equipped with an auxiliary or rear HVAC heater system.
| Year Range | Make | Model | Trim/Engine | Notes/Options |
|---|---|---|---|---|
| 2000–2013 | Chevrolet | Silverado | 4.3L V6, 4.8L V8, 5.3L V8, 6.0L V8, 8.1L V8, 6.6L V8 Duramax Diesel | w/ Auxiliary Rear HVAC Heater System; Inlet hose side |
| 2000–2013 | GMC | Sierra | 4.3L V6, 4.8L V8, 5.3L V8, 6.0L V8, 8.1L V8, 6.6L V8 Duramax Diesel | w/ Auxiliary Rear HVAC Heater System; Inlet hose side |
| 2000–2013 | Chevrolet | Suburban | 5.3L V8, 6.0L V8 | w/ Auxiliary Rear HVAC Heater System; Inlet hose side |
| 2000–2013 | Chevrolet | Tahoe | 4.8L V8, 5.3L V8 | w/ Auxiliary Rear HVAC Heater System; Inlet hose side |
| 2000–2006 | GMC | Yukon | 4.8L V8, 5.3L V8, 6.0L V8 | w/ Auxiliary Rear HVAC Heater System; Inlet hose side |
| 2000–2006 | GMC | Yukon XL | 5.3L V8, 6.0L V8 | w/ Auxiliary Rear HVAC Heater System; Inlet hose side |
| 2002–2006 | Cadillac | Escalade | 5.3L V8, 6.0L V8 | w/ Auxiliary Rear HVAC Heater System; Inlet hose side |
| 2002–2006 | Cadillac | Escalade EXT | 6.0L V8 | w/ Auxiliary Rear HVAC Heater System; Inlet hose side |
| 2003–2006 | Cadillac | Escalade ESV | 6.0L V8 | w/ Auxiliary Rear HVAC Heater System; Inlet hose side |
| 2003–2009 | Hummer | H2 | 6.0L V8, 6.2L V8 | w/ Auxiliary Rear HVAC Heater System; Inlet hose side |
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