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Heater
Front Top Right Side
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99377

Part Specifications

Core Material
Aluminum
Tank Material
Aluminum
Height
7-1/4 in.
Width
4-9/16 in.
Thickness
11/16 in.
Inlet
5/8 in. Diameter
Outlet
5/8 in. Diameter
Pop. Code
C

* Part finish and color may vary

Related Documents

Guides
Cooling System Training Manual (FR)
Guides
Cooling System Training Manual (EN)
Technical
Heater Core Replacement (EN | ES | FR)
Warranties
Heater Warranty (EN | ES | FR)

Applications

Filters

GMC Envoy SLT L6 4.2L

Year Fuel Fuel Del. ASP. Eng. VIN Eng. Desg. CC CID
2008 GAS FI N S LL8 - 256
2007 GAS FI N S LL8 - 256
2006 GAS FI N S LL8 - 256
2005 GAS FI N S LL8 - 256
2004 GAS FI N S LL8 - 256
2003 GAS FI N S LL8 - 256
2002 GAS FI N S LL8 - 256

GMC Envoy XL Denali V8 5.3L

Year Fuel Fuel Del. ASP. Eng. VIN Eng. Desg. CC CID
2006 GAS FI N M LH6 5328 325
2005 GAS FI N M LH6 5328 325

GMC Envoy XL SLE L6 4.2L

Year Fuel Fuel Del. ASP. Eng. VIN Eng. Desg. CC CID
2006 GAS FI N S LL8 - 256
2005 GAS FI N S LL8 - 256
2004 GAS FI N S LL8 - 256
2003 GAS FI N S LL8 - 256
2002 GAS FI N S LL8 - 256

GMC Envoy XL SLE V8 5.3L

Year Fuel Fuel Del. ASP. Eng. VIN Eng. Desg. CC CID
2005 GAS FI N M LH6 5328 325
2004 GAS FI N P LM4 5328 325
2003 GAS FI N P LM4 5328 325

GMC Envoy XL SLT L6 4.2L

Year Fuel Fuel Del. ASP. Eng. VIN Eng. Desg. CC CID
2006 GAS FI N S LL8 - 256
2005 GAS FI N S LL8 - 256
2004 GAS FI N S LL8 - 256
2003 GAS FI N S LL8 - 256
2002 GAS FI N S LL8 - 256

GMC Envoy XL SLT V8 5.3L

Year Fuel Fuel Del. ASP. Eng. VIN Eng. Desg. CC CID
2005 GAS FI N M LH6 5328 325
2004 GAS FI N P LM4 5328 325
2003 GAS FI N P LM4 5328 325