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GMC Thermostat Housing
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OEM (Genuine) GMC Water Outlet
PartNumber: 12674639$63.95 MSRP:$120.68You Save: $56.73 (48%)Product Specifications- Other Names: Thermostat, Thermostat Housing, Water Outlet
- Item Dimensions: 6.9 x 6.4 x 6.4 inches
- Item Weight: 0.80 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12666569, 12671393, 12657137
- Replaced by: 19474058
- Part Description: GMC Water Outlet
$75.41Product Specifications- Bleeder Hole: No
- Bolt Hole Center To Bolt Hole Center: 2.835"; 1.66"; 3.65"
- Bolt Hole Quantity: 3
- Color/Finish: Natural
- Flange Length: 2.55"
- Flange Thickness: 0.5"
- Flange Width: 4.14"
- Gasket Type: Gasket
- Grade Type: Regular
- Inside Diameter: 0.515"; 0.664"; 0.588"; 1.165";
- Material: Metal
- Mounting Hardware Included: No
- OE Part Number: 12651113, 12638836
- Outlet Port Quantity: 4
- Thermostat Opening Temperature (F): 180 Degrees
- UPC: 037495787505
- Part Description: GMC Engine Coolant Thermostat Housing
$29.45Product Specifications- By-Pass Holes: No
- Material: Cast Aluminum
- Number of Bolt Holes: 2
- Number of Gaskets: 0
- Number of Seals: 0
- OE Exact: Yes
- Outlet Inside Diameter 1: 1.194"
- Outlet Outside Diameter 1: 1.565"
- Type: Coolant Outlet
- UPC: 770075795179
- Part Description: GMC Engine Coolant Water Outlet
$71.58Product Specifications- Gasket or Seal Included: Not Included
- Inlet Dia. IN: 1.418
- Material: Aluminum
- Maximum Height: 4.669
- Meets / Exceeds OEM: Yes
- Mnt Flange Width IN: 0.500
- Style: w/o Thermostat
- Thermostat Included: Not Included
- UPC: 096361852228
- Part Description: GMC Engine Coolant Water Outlet W O Thermostat
OEM (Genuine) GMC Inlet Assembly
PartNumber: 12600172$45.40 MSRP:$85.69You Save: $40.29 (48%)Product Specifications- Item Dimensions: 6.4 x 4.2 x 4.2 inches
- Item Weight: 0.90 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12581594
- Part Description: GMC Inlet Assembly
$59.17Product Specifications- Air Vent (Bleeder Valve): No
- Bleeder Screw Included: No
- Bolt Hole Center To Bolt Hole Center: 1.9"
- Bolt Hole Diameter: 0.34"
- Bolt Hole Quantity: 4
- Color/Finish: Natural
- Housing Neck Angle (°): 90 Deg.
- Inside Diameter: 1.06"
- Material: Aluminum
- Maximum Height: 4.25"
- Outlet Diameter: 1.557"
- Outlet Quantity: 2
- Outlet Tube Length: 6.25"
- UPC: 889245529985
- Part Description: GMC Engine Coolant Water Outlet
$68.82Product Specifications- Bolt Hole Center To Bolt Hole Center: 3.125
- Gasket or Seal Included: Not Included
- Inlet Dia. IN: 2.003
- Material: Aluminum
- Maximum Height: 2.507
- Meets / Exceeds OEM: Yes
- Mnt Flange Width IN: 0.791
- Style: w/o Thermostat
- Symetrical Base: No
- Thermostat Included: Not Included
- UPC: 096361852532
- Part Description: GMC Engine Coolant Water Outlet W O Thermostat
OEM (Genuine) GMC Thermostat Unit
PartNumber: 12571261$43.35 MSRP:$81.81You Save: $38.46 (48%)Product Specifications- Other Names: Thermostat Housing, Thermostat Unit
- Item Dimensions: 6.5 x 4.3 x 4.2 inches
- Item Weight: 1.10 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12561157, 12562740
- Part Description: GMC Thermostat Unit
$48.69Product Specifications- Bleeder Hole: No
- Bolt Hole Center To Bolt Hole Center: 3.6"; 3"; 1.5"
- Bolt Hole Quantity: 3
- Color/Finish: Natural
- Flange Length: 5.5"
- Flange Thickness: 0.3"
- Flange Width: 3.7"
- Gasket Type: Gasket
- Grade Type: Regular
- Inside Diameter: 1.15"
- Material: Aluminum; Stainless Steel
- OE Part Number: 12599235, 12638893
- Outlet Port Quantity: 3
- Thermostat Opening Temperature (F): 180 Degrees
- UPC: 037495787499
- Part Description: GMC Engine Coolant Thermostat Housing
$59.46Product Specifications- Bleeder Screw Included: Not Included
- Gasket or Seal Included: Not Included
- Material: Aluminum
- Maximum Height: 7.50
- Meets / Exceeds OEM: Yes
- Mnt Flange Width IN: 0.815
- Mounting Hole Quantity: 4
- Style: w/o Thermostat
- Thermostat Included: Not Included
- UPC: 096361093911
- Part Description: GMC Engine Coolant Water Outlet
OEM (Genuine) GMC Thermostat Housing
PartNumber: 12620112$63.56 MSRP:$115.56You Save: $52.00 (45%)Product Specifications- Other Names: Thermostat Housing
- Item Dimensions: 11.3 x 4.8 x 4.8 inches
- Item Weight: 3.20 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12602913, 12572988, 12567750
- Part Description: GMC Thermostat Housing
$51.77Product Specifications- Air Vent (Bleeder Valve): No
- Bleeder Screw Included: No
- Bolt Hole Center To Bolt Hole Center: 2.76 in
- Color: Black
- Housing Neck Angle (°): 80 Degrees
- Inside Diameter: 1.3 in
- Material: Plastic
- Maximum Height: 4.805 in
- Mounting Hole Diameter: 0.366 in
- Mounting Hole Quantity: 2
- O Rings Included: No
- Outlet Diameter: 0.5"
- Outlet Quantity: 4
- Outlet Tube Length: 1.25 in
- UPC: 885484606845
- Part Description: GMC Engine Coolant Water Outlet
$51.44Product Specifications- Gasket or Seal Included: Not Included
- Inlet Dia. IN: 2.000
- Material: Aluminum
- Maximum Height: 2.500
- Meets / Exceeds OEM: Yes
- Mnt Flange Width IN: 0.780
- Style: w/o Thermostat
- Thermostat Included: Not Included
- UPC: 096361860070
- Part Description: GMC Engine Coolant Water Outlet W O Thermostat
OEM (Genuine) GMC Water Outlet
PartNumber: 12656446$121.85 MSRP:$229.89You Save: $108.04 (47%)Product Specifications- Other Names: Water Outlet
- Item Dimensions: 8.4 x 5.6 x 4.3 inches
- Item Weight: 1.00 Pounds
- Fitment Type: Direct Replacement
- Replaced by: 25201457
- Part Description: GMC Water Outlet
$54.01Product Specifications- Bolt Hole Center To Bolt Hole Center: 4.65"
- Bolt Hole Diameter: 0.355"
- Bolt Hole Quantity: 4
- Color/Finish: Natural
- Flange Thickness: 0.787"
- Height: 2.82"
- Housing Neck Angle (°): 90 Deg.
- Inlet Port Diameter: 2"
- Material: Aluminum
- Mount Hole Diameter: 0.355"
- Mount Hole Quantity: 4
- Outlet Diameter: 1.95"
- UPC: 889245475947
- Part Description: GMC Engine Coolant Thermostat Housing
$40.08Product Specifications- Gasket or Seal Included: Included
- Inlet Dia. IN: 1.875
- Material: Aluminum
- Maximum Height: 3.000
- Meets / Exceeds OEM: Yes
- Mnt Flange Width IN: 0.320
- Style: w/o Thermostat
- Thermostat Included: Not Included
- UPC: 096361853492
- Part Description: GMC Engine Coolant Water Outlet W O Thermostat
OEM (Genuine) GMC Thermostat Housing
PartNumber: 12578330$205.37 MSRP:$326.07You Save: $120.70 (38%)Product Specifications- Other Names: Thermostat Housing
- Item Dimensions: 48.3 x 11.6 x 7.3 inches
- Item Weight: 15.30 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12573197
- Part Description: GMC Thermostat Housing
$41.67Product Specifications- Bleeder Hole: No
- Bolt Hole Center To Bolt Hole Center: 3.4"
- Bolt Hole Quantity: 2
- Color/Finish: Natural
- Flange Length: 2.75"
- Flange Thickness: 0.438"
- Flange Width: 4.1"
- Gasket Type: Gasket
- Grade Type: Regular
- Inside Diameter: 0.97"
- Material: Metal
- Mounting Hardware Included: No
- OE Part Number: 12651603
- Outlet Port Quantity: 1
- Thermostat Opening Temperature (F): 195 Degrees
- UPC: 885484853409
- Part Description: GMC Engine Coolant Thermostat Housing Assembly
$36.98Product Specifications- Gasket or Seal Included: Included
- Inlet Dia. IN: 1.551
- Material: Aluminum
- Maximum Height: 10.000
- Meets / Exceeds OEM: Yes
- Mnt Flange Width IN: 1.202
- Mounting Hole Quantity: 2
- Style: w/o Thermostat
- Thermostat Included: Not Included
- UPC: 096361072213
- Part Description: GMC Engine Coolant Water Outlet
$39.25Product Specifications- OE Part Number: 12600172, 12581594, 12568911, 8125815940, 8125689110, 8126001720
- Package Contents: 1 Thermostat Housing
- UPC: 889245054883
- Part Description: GMC Engine Coolant Thermostat Housing Assembly
$33.14Product Specifications- Gasket or Seal Included: Included
- Inlet Dia. IN: 1.551
- Material: Aluminum
- Maximum Height: 7.000
- Meets / Exceeds OEM: Yes
- Mnt Flange Width IN: 1.202
- Style: w/o Thermostat
- Thermostat Included: Not Included
- UPC: 096361072077
- Part Description: GMC Engine Coolant Water Outlet
OEM (Genuine) GMC Thermostat Cover
PartNumber: 97225886$343.18 MSRP:$544.88You Save: $201.70 (38%)Product Specifications- Other Names: Thermostat Cover
- Item Dimensions: 6.6 x 3.5 x 3.9 inches
- Item Weight: 1.10 Pounds
- Fitment Type: Direct Replacement
- Part Description: GMC Thermostat Cover
$36.74Product Specifications- Bleeder Hole: No
- Bolt Hole Center To Bolt Hole Center: 2.78"
- Bolt Hole Quantity: 2
- Color: Natural
- Flange Length: 3.69"
- Flange Thickness: 0.31"
- Flange Width: 2.59"
- Gasket Type: Gasket
- Grade Type: Regular
- Inside Diameter: 1.91"
- Material: Aluminum
- Mounting Hardware Included: No
- Outlet Port Quantity: 1
- Thermostat Opening Temperature: 180 Deg. F
- UPC: 889245083111
- Part Description: GMC Engine Coolant Thermostat Housing Assembly
$33.20Product Specifications- Gasket or Seal Included: Included
- Inlet Dia. IN: 1.445
- Material: Aluminum
- Maximum Height: 3.093
- Meets / Exceeds OEM: Yes
- Mnt Flange Width IN: 0.461
- Style: w/o Thermostat
- Thermostat Included: Not Included
- UPC: 096361852242
- Part Description: GMC Engine Coolant Water Outlet W O Thermostat
OEM (Genuine) GMC Thermostat Unit
PartNumber: 12587395$9.72 MSRP:$17.58You Save: $7.86 (45%)Product Specifications- Item Dimensions: 4.0 x 4.2 x 4.1 inches
- Item Weight: 0.50 Pounds
- Fitment Type: Direct Replacement
- Part Description: GMC Thermostat Unit
$30.81Product Specifications- Air Vent (Bleeder Valve): No
- Bolt Hole Diameter: 0.25"
- Bolt Hole Quantity: 2
- Bolts Included: No
- Color/Finish: Natural
- Housing Neck Angle (°): 30 Degree
- Material: Metal
- O Rings Included: Not Required
- OE Part Number: 12605785
- Outlet Diameter: 1.375"
- UPC: 037495788199
- Part Description: GMC Engine Coolant Water Outlet
$30.24Product Specifications- Bolt Hole Center To Bolt Hole Center: 3.000
- Flange Thickness: 0.395
- Gasket or Seal Included: Included
- Inlet Port Diameter: 1.307
- Material: Aluminum
- Meets / Exceeds OEM: Yes
- Overall Height IN: 2.51
- Style: w/o Thermostat
- Symetrical Base: Yes
- Thermostat Included: Not Included
- UPC: 096361852549
- Part Description: GMC Engine Coolant Thermostat Housing W O Thermostat
OEM (Genuine) GMC Thermostat Unit
PartNumber: 12673413$110.58 MSRP:$208.66You Save: $98.08 (48%)Product Specifications- Item Dimensions: 6.2 x 5.1 x 5.1 inches
- Item Weight: 1.20 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12669633, 12656949
- Replaced by: 25205818
- Part Description: GMC Thermostat Unit
$35.94Product Specifications- Air Vent (Bleeder Valve): Yes
- Bolt Hole Diameter: 0.313"
- Bolt Hole Quantity: 4
- Bolts Included: No
- Color/Finish: Natural
- Housing Neck Angle (°): 45 Degree
- Material: Metal
- O Rings Included: Not Required
- OE Part Number: 12564276
- Outlet Diameter: 1.81"
- Thermostat Included: No
- UPC: 885484546547
- Part Description: GMC Engine Coolant Thermostat Housing
$30.67Product Specifications- Bolt Hole Center To Bolt Hole Center: 3.250
- Gasket or Seal Included: Included
- Inlet Dia. IN: 1.210
- Material: Steel
- Maximum Height: 3.959
- Meets / Exceeds OEM: Yes
- Mnt Flange Width IN: 0.333
- Style: w/o Thermostat
- Symetrical Base: Yes
- Thermostat Included: Not Included
- UPC: 096361851689
- Part Description: GMC Engine Coolant Water Outlet W O Thermostat
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Next >About GMC Thermostat Housing
GMC has comprehensive lines like GMC parts and accessories. The company is well-known for its light-duty trucks as well as cars. Classic parts like the thermostat housing parts contribute to the success of GMC. The part houses the thermostat which helps coolant travel. It is responsible for allowing restriction of the travel of coolant.
GMC has many merits, but problems arise after its thermostat housing parts have been used for a long period. A GMC thermostat housing is used to house the thermostat and help regulate the flow of coolant. The removal process for a GMC thermostat housing is as follows. Disconnect the negative battery terminal. Locate the thermostat housing. And drain some of the engine's coolant. After that, remove the upper radiator hose. Remove the thermostat housing mounting bolts. And finally, pull the housing off the engine block. From the body parts to the performance parts, a long catalog of advanced GMC products is given online. We offer you a variety of auto parts at a reasonable price.