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1999 GMC Sierra 1500
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OEM (Genuine) 1999 GMC Sierra 1500 Inlet Assembly
PartNumber: 12600172
Product Specifications- Notes: 4.8, 5.3 & 6.0 Liter
- Item Dimensions: 6.4 x 4.2 x 4.2 inches
- Item Weight: 0.90 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12581594
- Part Description: 1999 GMC Sierra 1500 Inlet Assembly
Vehicle Fitment- 1999 GMC Sierra 1500 | Base, C3, Denali, HT, Hybrid, SL, SLE, SLT, WT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
$42.42 MSRP:$80.07You Save: $37.65 (48%)
Gates® Premium Engine Coolant Thermostat for 1999 GMC Sierra 1500
PartNumber: 33019SProduct Specifications- Notes: 195 Degree; Alternate Temperature; Seal Incld
- 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: 1999 GMC Sierra 1500 Premium Engine Coolant Thermostat
Vehicle Fitment- 1999 GMC Sierra 1500 | All Trims | 6 Cyl 4.3L
$9.57
OEM (Genuine) 1999 GMC Sierra 1500 Thermostat Unit
PartNumber: 12571261
Product Specifications- Notes: All Models; 4.8l, 5.3l, 6.0l; Includes Thermostat
- 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: 1999 GMC Sierra 1500 Thermostat Unit
Vehicle Fitment- 1999 GMC Sierra 1500 | Base, C3, Denali, HT, SL, SLE, SLT, WT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
$40.51 MSRP:$76.45You Save: $35.94 (48%)
OEM (Genuine) 1999 GMC Sierra 1500 Thermostat
PartNumber: 12632948
Product Specifications- Notes: All Models; 4.3l; 4.3 Liter
- 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: 1999 GMC Sierra 1500 Thermostat
Vehicle Fitment- 1999 GMC Sierra 1500 | Base, HT, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS
$27.19 MSRP:$51.32You Save: $24.13 (48%)
Gates® Heavy Duty Engine Coolant Thermostat for 1999 GMC Sierra 1500
PartNumber: 33963Product Specifications- Notes: W/GM Updated Replacement Water Pump; Exc ludes Housing; 186 Degree; OE Temperature; Seal Incld
- By-Pass Flange Diameter: 1.5"
- Depth from Flange: 1.89"
- Design: Bottom By-Pass
- Flange Diameter: 2.12"
- Height from Flange: 0.86"
- 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
- Seal Type: O-Ring
- Temperature (C): 86
- Temperature (F): 187
- Total Height: 2.75"
- Type: Heavy-Duty Thermostat
- UPC: 770075225980
- Part Description: 1999 GMC Sierra 1500 Heavy Duty Engine Coolant Thermostat
Vehicle Fitment- 1999 GMC Sierra 1500 | All Trims | 8 Cyl 4.8L
- 1999 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L
$9.86
STANT® Premium Engine Coolant Thermostat for 1999 GMC Sierra 1500
PartNumber: 45119Product Specifications- Notes: Temperature 195 Degrees; Seal Included Seal Included; OE Temperature
- 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: 1999 GMC Sierra 1500 Premium Engine Coolant Thermostat
Vehicle Fitment- 1999 GMC Sierra 1500 | All Trims | 6 Cyl 4.3L
STANT® OE Type Engine Coolant Thermostat for 1999 GMC Sierra 1500
PartNumber: 14119Product Specifications- Notes: Temperature 195 Degrees; Seal Included Seal Included; OE Temperature
- Bypass Plate Diameter: 1.2"
- Flange Diameter (With Seal): 2.31"
- Flange Diameter (Without Seal): 2.125"
- Height from Flange to Bottom: 1.45"
- Height from Flange to Top of Bridge: 0.79"
- OE Part Number: 12597583, 10238201, 12557859, 12632948, 12563335, 31368377, 8245578590
- Temperature (F): 195 Degrees
- UPC: 033342062467
- Part Description: 1999 GMC Sierra 1500 OE Type Engine Coolant Thermostat
Vehicle Fitment- 1999 GMC Sierra 1500 | All Trims | 6 Cyl 4.3L
STANT® Heavy Duty Engine Coolant Thermostat for 1999 GMC Sierra 1500
PartNumber: 14946Product Specifications- Notes: Temperature 160 Degrees; Seal Included Seal Included; W/GM Replacement Water Pump; Excludes Housing; Alternate Temperature
- Freight Class: 70
- Temperature (F): 160 Degrees
- UPC: 333421746272
- Part Description: 1999 GMC Sierra 1500 Heavy Duty Engine Coolant Thermostat
Vehicle Fitment- 1999 GMC Sierra 1500 | All Trims | 8 Cyl 4.8L
- 1999 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L
STANT® Heavy Duty Engine Coolant Thermostat for 1999 GMC Sierra 1500
PartNumber: 14948Product Specifications- Notes: Temperature 186 Degrees; Seal Included Seal Included; W/GM Replacement Water Pump; Excludes Housing; OE Temperature
- Bypass Plate Diameter: 1.5"
- Flange Diameter (With Seal): 2.27"
- Flange Diameter (Without Seal): 2.27"
- Height from Flange to Bottom: 1.82"
- Height from Flange to Top of Bridge: 0.95"
- OE Part Number: 12600172, 12581595, 12600171, 12570358, 12581594, 12568911, 92177005
- Temperature (F): 186 Degrees
- UPC: 033342074996
- Part Description: 1999 GMC Sierra 1500 Heavy Duty Engine Coolant Thermostat
Vehicle Fitment- 1999 GMC Sierra 1500 | All Trims | 8 Cyl 4.8L
- 1999 GMC Sierra 1500 | All Trims | 8 Cyl 5.3L