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Replacement and OEM Parts for GMC K2500 Thermostat
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GMC K2500 Thermostat

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  • OEM (Genuine) GMC K2500 Thermostat

    PartNumber: 12632948
    OEM GMC K2500 Thermostat - 12632948
    Product Specifications
    • Other Names: Thermostat
    • Item Dimensions: 3.1 x 3.2 x 3.1 inches
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12551472, 12257859, 12563335, 12597583, 12557859
    • Part Description: GMC K2500 Thermostat
    More Info
    $27.19 MSRP: $51.32
    You Save: $24.13 (48%)
  • Gates OE Type Engine Coolant Thermostat for GMC K2500 - 33922

    Gates® OE Type Engine Coolant Thermostat for GMC K2500

    PartNumber: 33922
    Product Specifications
    • Depth from Flange: 0.91"
    • Design: Balanced Sleeve
    • Flange Diameter: 2.12"
    • Height from Flange: 0.74"
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: Yes
    • Material: Steel, Copper
    • Number of Gaskets: 0
    • Number of Jiggle Pins/Check Valves: 1
    • Number of Seals: 1
    • OE Comparison Rating: OE Performance
    • Seal Type: O-Ring
    • Temperature (C): 88
    • Temperature (F): 190
    • Total Height: 1.65"
    • Type: OE Type Thermostat
    • UPC: 072053876130
    • Part Description: GMC K2500 OE Type Engine Coolant Thermostat
    More Info
    $30.80
  • OEM (Genuine) GMC K2500 Thermostat

    PartNumber: 10207373
    OEM GMC K2500 Thermostat - 10207373
    Product Specifications
    • Other Names: Thermostat
    • Item Dimensions: 3.2 x 2.2 x 2.1 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC K2500 Thermostat
    More Info
    $10.62 MSRP: $19.20
    You Save: $8.58 (45%)
  • Gates Premium Engine Coolant Thermostat for GMC K2500 - 33329S

    Gates® Premium Engine Coolant Thermostat for GMC K2500

    PartNumber: 33329S
    Product Specifications
    • By-Pass Flange Diameter: 0.92"
    • Depth from Flange: 1.39"
    • Design: Bottom By-Pass
    • Flange Diameter: 1.72"
    • Height from Flange: 0.89"
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Stainless Steel, Copper
    • Number of Gaskets: 0
    • Number of Seals: 1
    • Seal Type: O-Ring
    • Temperature (C): 90
    • Temperature (F): 195
    • Total Height: 2.2"
    • Type: Premium Thermostat
    • UPC: 072053298642
    • Part Description: GMC K2500 Premium Engine Coolant Thermostat
    More Info
    $12.31
  • OEM (Genuine) GMC K2500 Thermostat Unit

    PartNumber: 24577299
    OEM GMC K2500 Thermostat Unit - 24577299
    Product Specifications
    • Other Names: Intake Manifold, Thermostat, Thermostat Unit
    • Item Dimensions: 3.1 x 2.2 x 2.1 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 24576634, 10182377, 24577130
    • Part Description: GMC K2500 Thermostat Unit
    More Info
    $16.11 MSRP: $29.13
    You Save: $13.02 (45%)
  • Gates Premium Engine Coolant Thermostat for GMC K2500 - 33428S

    Gates® Premium Engine Coolant Thermostat for GMC K2500

    PartNumber: 33428S
    Product Specifications
    • Depth from Flange: 0.8"
    • Design: Reverse Poppet
    • Flange Diameter: 1.73"
    • Height from Flange: 0.87"
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Stainless Steel, Copper
    • Number of Gaskets: 0
    • Number of Seals: 0
    • Temperature (C): 82
    • Temperature (F): 180
    • Total Height: 1.67"
    • Type: Premium Thermostat
    • UPC: 072053298482
    • Part Description: GMC K2500 Premium Engine Coolant Thermostat
    More Info
    $9.94
  • OEM (Genuine) GMC K2500 Thermostat

    PartNumber: 12559575
    OEM GMC K2500 Thermostat - 12559575
    Product Specifications
    • Other Names: Thermostat
    • Item Dimensions: 3.2 x 2.1 x 2.0 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12559573, 10210450, 12559269
    • Part Description: GMC K2500 Thermostat
    More Info
    $17.45 MSRP: $32.90
    You Save: $15.45 (47%)
  • Gates Premium Engine Coolant Thermostat for GMC K2500 - 33429S

    Gates® Premium Engine Coolant Thermostat for GMC K2500

    PartNumber: 33429S
    Product Specifications
    • Depth from Flange: 0.82"
    • Design: Reverse Poppet
    • Flange Diameter: 1.72"
    • Height from Flange: 0.86"
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Stainless Steel, Copper
    • Number of Gaskets: 0
    • Number of Seals: 0
    • Temperature (C): 91
    • Temperature (F): 195
    • Total Height: 1.68"
    • Type: Premium Thermostat
    • UPC: 072053298499
    • Part Description: GMC K2500 Premium Engine Coolant Thermostat
    More Info
    $9.94
  • OEM (Genuine) GMC K2500 Thermostat

    PartNumber: 10190925
    OEM GMC K2500 Thermostat - 10190925
    Product Specifications
    • Other Names: Thermostat
    • Item Dimensions: 3.1 x 2.1 x 2.0 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 10190927, 10147886
    • Part Description: GMC K2500 Thermostat
    More Info
    $13.32 MSRP: $25.12
    You Save: $11.80 (47%)
  • Gates Premium Engine Coolant Thermostat for GMC K2500 - 33019S

    Gates® Premium Engine Coolant Thermostat for GMC K2500

    PartNumber: 33019S
    Product Specifications
    • By-Pass Flange Diameter: 1.2"
    • Depth from Flange: 1.45"
    • Design: Bottom By-Pass
    • Flange Diameter: 2.13"
    • Height from Flange: 0.87"
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Stainless Steel, Copper
    • Number of Gaskets: 0
    • Number of Seals: 1
    • Seal Type: O-Ring
    • Temperature (C): 91
    • Temperature (F): 195
    • Total Height: 2.32"
    • Type: Premium Thermostat
    • UPC: 072053675986
    • Part Description: GMC K2500 Premium Engine Coolant Thermostat
    More Info
    $8.88
  • OEM (Genuine) GMC K2500 Thermostat

    PartNumber: 12559336
    OEM GMC K2500 Thermostat - 12559336
    Product Specifications
    • Other Names: Thermostat
    • Item Dimensions: 3.2 x 3.1 x 3.0 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12554977
    • Part Description: GMC K2500 Thermostat
    More Info
    $34.16 MSRP: $64.48
    You Save: $30.32 (48%)
  • STANT OE Type Engine Coolant Thermostat for GMC K2500 - 13899

    STANT® OE Type Engine Coolant Thermostat for GMC K2500

    PartNumber: 13899
    Product Specifications
    • Bypass Plate Diameter: 0.92"
    • Flange Diameter (With Seal): 1.9"
    • Flange Diameter (Without Seal): 1.72"
    • Height from Flange to Bottom: 1.34"
    • Height from Flange to Top of Bridge: 0.78"
    • OE Part Number: 10115785, 12559575, 10210450, 10226109, 3091114, 10115787, 12559573, 24507563, 10182376, 12559269, 10182343
    • Temperature (F): 195 Degrees
    • UPC: 033342038998
    • Part Description: GMC K2500 OE Type Engine Coolant Thermostat
    More Info
    $6.55
  • Gates Premium Engine Coolant Thermostat for GMC K2500 - 33006S

    Gates® Premium Engine Coolant Thermostat for GMC K2500

    PartNumber: 33006S
    Product Specifications
    • Depth from Flange: 0.83"
    • Design: Reverse Poppet
    • Flange Diameter: 2.13"
    • Height from Flange: 0.84"
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Stainless Steel, Copper
    • Number of Gaskets: 0
    • Number of Seals: 0
    • Temperature (C): 71
    • Temperature (F): 160
    • Total Height: 1.67"
    • Type: Premium Thermostat
    • UPC: 072053298451
    • Part Description: GMC K2500 Premium Engine Coolant Thermostat
    More Info
    $8.04
  • Gates Premium Engine Coolant Thermostat for GMC K2500 - 33008S

    Gates® Premium Engine Coolant Thermostat for GMC K2500

    PartNumber: 33008S
    Product Specifications
    • Depth from Flange: 0.84"
    • Design: Reverse Poppet
    • Flange Diameter: 2.13"
    • Height from Flange: 0.86"
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Stainless Steel, Copper
    • Number of Gaskets: 0
    • Number of Seals: 0
    • Temperature (C): 82
    • Temperature (F): 180
    • Total Height: 1.7"
    • Type: Premium Thermostat
    • UPC: 072053298468
    • Part Description: GMC K2500 Premium Engine Coolant Thermostat
    More Info
    $7.43
  • OEM (Genuine) GMC K2500 Thermostat

    PartNumber: 12514334
    OEM GMC K2500 Thermostat - 12514334
    Product Specifications
    • Other Names: Thermostat
    • Item Dimensions: 3.2 x 2.2 x 2.1 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC K2500 Thermostat
    More Info
    $12.47 MSRP: $22.56
    You Save: $10.09 (45%)
  • Gates Premium Engine Coolant Thermostat for GMC K2500 - 33009S

    Gates® Premium Engine Coolant Thermostat for GMC K2500

    PartNumber: 33009S
    Product Specifications
    • Depth from Flange: 0.82"
    • Design: Reverse Poppet
    • Flange Diameter: 2.13"
    • Height from Flange: 0.88"
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Stainless Steel, Copper
    • Number of Gaskets: 0
    • Number of Seals: 0
    • Temperature (C): 91
    • Temperature (F): 195
    • Total Height: 1.7"
    • Type: Premium Thermostat
    • UPC: 072053298475
    • Part Description: GMC K2500 Premium Engine Coolant Thermostat
    More Info
    $7.43
  • OEM (Genuine) GMC K2500 Thermostat Asm-Engine Coolant

    PartNumber: 14077122
    OEM GMC K2500 Thermostat Asm-Engine Coolant - 14077122
    Product Specifications
    • Other Names: Thermostat
    • Item Dimensions: 3.2 x 2.2 x 2.1 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC K2500 Thermostat Asm-Engine Coolant
    More Info
    $10.29 MSRP: $20.86
    You Save: $10.57 (51%)
  • Gates Economy Engine Coolant Thermostat for GMC K2500 - 33509

    Gates® Economy Engine Coolant Thermostat for GMC K2500

    PartNumber: 33509
    Product Specifications
    • Depth from Flange: 0.9"
    • Design: Reverse Poppet
    • Flange Diameter: 2.12"
    • Height from Flange: 0.66"
    • Includes Installation Tool: Yes
    • Jiggle Pin/Check Valve: No
    • Material: Steel, Copper
    • Number of Gaskets: 0
    • Number of Seals: 0
    • Temperature (C): 91
    • Temperature (F): 195
    • Total Height: 1.56"
    • Type: Economy Thermostat
    • UPC: 072053024821
    • Part Description: GMC K2500 Economy Engine Coolant Thermostat
    More Info
    $4.95
  • Gates Oe Type Engine Coolant Thermostat for GMC K2500 - 33006

    Gates® Oe Type Engine Coolant Thermostat for GMC K2500

    PartNumber: 33006
    Product Specifications
    • Depth from Flange: 0.75"
    • Design: Reverse Poppet
    • Flange Diameter: 2.13"
    • Height from Flange: 0.85"
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Steel, Copper
    • Number of Gaskets: 0
    • Number of Seals: 0
    • OE Comparison Rating: OE Performance
    • Temperature (C): 71
    • Temperature (F): 160
    • Total Height: 1.6"
    • Type: OE Type Thermostat
    • UPC: 072053022308
    • Part Description: GMC K2500 Oe Type Engine Coolant Thermostat
    More Info
    $6.39
  • Gates Oe Type Engine Coolant Thermostat for GMC K2500 - 33009

    Gates® Oe Type Engine Coolant Thermostat for GMC K2500

    PartNumber: 33009
    Product Specifications
    • Depth from Flange: 0.75"
    • Design: Reverse Poppet
    • Flange Diameter: 2.13"
    • Height from Flange: 0.84"
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Steel, Copper
    • Number of Gaskets: 0
    • Number of Seals: 0
    • OE Comparison Rating: OE Performance
    • Temperature (C): 91
    • Temperature (F): 195
    • Total Height: 1.59"
    • Type: OE Type Thermostat
    • UPC: 072053022322
    • Part Description: GMC K2500 Oe Type Engine Coolant Thermostat
    More Info
    $5.53
  • Gates Oe Type Engine Coolant Thermostat for GMC K2500 - 33329

    Gates® Oe Type Engine Coolant Thermostat for GMC K2500

    PartNumber: 33329
    Product Specifications
    • By-Pass Flange Diameter: 0.92"
    • Depth from Flange: 1.3"
    • Design: Bottom By-Pass
    • Flange Diameter: 1.73"
    • Height from Flange: 0.75"
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Steel, Copper
    • Number of Gaskets: 0
    • Number of Seals: 1
    • OE Comparison Rating: OE Performance
    • Seal Type: O-Ring
    • Temperature (C): 91
    • Temperature (F): 195
    • Total Height: 2.07"
    • Type: OE Type Thermostat
    • UPC: 072053024562
    • Part Description: GMC K2500 Oe Type Engine Coolant Thermostat
    More Info
    $7.56
  • Gates Oe Type Engine Coolant Thermostat for GMC K2500 - 33428

    Gates® Oe Type Engine Coolant Thermostat for GMC K2500

    PartNumber: 33428
    Product Specifications
    • Depth from Flange: 0.75"
    • Design: Reverse Poppet
    • Flange Diameter: 1.72"
    • Height from Flange: 0.83"
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Steel, Copper
    • Number of Gaskets: 0
    • Number of Seals: 0
    • OE Comparison Rating: OE Performance
    • Temperature (C): 82
    • Temperature (F): 180
    • Total Height: 1.58"
    • Type: OE Type Thermostat
    • UPC: 072053024715
    • Part Description: GMC K2500 Oe Type Engine Coolant Thermostat
    More Info
    $6.40
  • Gates Oe Type Engine Coolant Thermostat for GMC K2500 - 33429

    Gates® Oe Type Engine Coolant Thermostat for GMC K2500

    PartNumber: 33429
    Product Specifications
    • Depth from Flange: 0.78"
    • Design: Reverse Poppet
    • Flange Diameter: 1.72"
    • Height from Flange: 0.82"
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Steel, Copper
    • Number of Gaskets: 0
    • Number of Seals: 0
    • OE Comparison Rating: OE Performance
    • Temperature (C): 91
    • Temperature (F): 195
    • Total Height: 1.6"
    • Type: OE Type Thermostat
    • UPC: 072053024722
    • Part Description: GMC K2500 Oe Type Engine Coolant Thermostat
    More Info
    $6.40
  • Gates Economy Engine Coolant Thermostat for GMC K2500 - 33508

    Gates® Economy Engine Coolant Thermostat for GMC K2500

    PartNumber: 33508
    Product Specifications
    • Depth from Flange: 0.82"
    • Design: Reverse Poppet
    • Flange Diameter: 2.12"
    • Height from Flange: 0.72"
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Steel, Copper
    • Number of Gaskets: 0
    • Number of Seals: 0
    • Temperature (C): 82
    • Temperature (F): 180
    • Total Height: 1.54"
    • Type: Economy Thermostat
    • UPC: 072053024814
    • Part Description: GMC K2500 Economy Engine Coolant Thermostat
    More Info
    $5.29
  • Gates Oe Type Engine Coolant Thermostat for GMC K2500 - 33889

    Gates® Oe Type Engine Coolant Thermostat for GMC K2500

    PartNumber: 33889
    Product Specifications
    • By-Pass Flange Diameter: 1.09"
    • Depth from Flange: 1.6"
    • Design: Bottom By-Pass
    • Flange Diameter: 2.51"
    • Height from Flange: 0.68"
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: Yes
    • Material: Steel, Copper
    • Number of Gaskets: 0
    • Number of Jiggle Pins/Check Valves: 1
    • Number of Seals: 0
    • OE Comparison Rating: OE Performance
    • Temperature (C): 91
    • Temperature (F): 195
    • Total Height: 2.28"
    • Type: OE Type Thermostat
    • UPC: 072053062847
    • Part Description: GMC K2500 Oe Type Engine Coolant Thermostat
    More Info
    $18.79
  • STANT OE Type Engine Coolant Thermostat for GMC K2500 - 14039

    STANT® OE Type Engine Coolant Thermostat for GMC K2500

    PartNumber: 14039
    Product Specifications
    • Bypass Plate Diameter: 1.09"
    • Flange Diameter (Without Seal): 2.52"
    • Height from Flange to Bottom: 1.54"
    • Height from Flange to Top of Bridge: 0.72"
    • OE Part Number: 23500827, 12551496, 12559338, 10191401
    • Temperature (F): 195 Degrees
    • UPC: 033342054592
    • Part Description: GMC K2500 OE Type Engine Coolant Thermostat
    More Info
    $8.76
  • STANT OE Type Engine Coolant Thermostat for GMC K2500 - 14399

    STANT® OE Type Engine Coolant Thermostat for GMC K2500

    PartNumber: 14399
    Product Specifications
    • Flange Diameter (With Seal): 2.3"
    • Flange Diameter (Without Seal): 2.3"
    • Height from Flange to Bottom: 0.87"
    • Height from Flange to Top of Bridge: 0.68"
    • OE Part Number: E5TZ8575C, 12559336
    • Temperature (F): 190 Degrees
    • UPC: 033342037854
    • Part Description: GMC K2500 OE Type Engine Coolant Thermostat
    More Info
  • STANT Premium Engine Coolant Thermostat for GMC K2500 - 45119

    STANT® Premium Engine Coolant Thermostat for GMC K2500

    PartNumber: 45119
    Product Specifications
    • Bypass Plate Diameter (in): 1.2
    • Flange Diameter (With Seal) (in): 2.31
    • Flange Diameter (Without Seal) (in): 2.125
    • Freight Class: 70
    • Height from Flange to Bottom (in): 1.45
    • Height from Flange to Top of Bridge (in): 0.78
    • Temperature (F): 195 Degrees
    • UPC: 333424955794
    • Part Description: GMC K2500 Premium Engine Coolant Thermostat
    More Info
  • STANT Premium Engine Coolant Thermostat for GMC K2500 - 45899

    STANT® Premium Engine Coolant Thermostat for GMC K2500

    PartNumber: 45899
    Product Specifications
    • Bypass Plate Diameter (in): 0.92
    • Flange Diameter (With Seal) (in): 1.9
    • Flange Diameter (Without Seal) (in): 1.725
    • Freight Class: 70
    • Height from Flange to Bottom (in): 1.34
    • Height from Flange to Top of Bridge (in): 0.87
    • Temperature (F): 195 Degrees
    • UPC: 333420631432
    • Part Description: GMC K2500 Premium Engine Coolant Thermostat
    More Info
  • STANT Premium Engine Coolant Thermostat for GMC K2500 - 45849

    STANT® Premium Engine Coolant Thermostat for GMC K2500

    PartNumber: 45849
    Product Specifications
    • Flange Diameter (Without Seal) (in): 1.725
    • Freight Class: 70
    • Height from Flange to Bottom (in): 0.85
    • Height from Flange to Top of Bridge (in): 0.87
    • Temperature (F): 195 Degrees
    • UPC: 333420550184
    • Part Description: GMC K2500 Premium Engine Coolant Thermostat
    More Info
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About GMC K2500 Thermostat

The GMC K2500 is built for heavy work on the construction site or on the farm. The GMC K2500 is well characterized by its swiftness. During the development of the GMC K2500, many popular parts have been built, such as the thermostat. The thermostat helps keep the engine at the best range for max performance. In some heating systems, the thermostat controls a valve to adjust the water and temperature to a certain level.
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