2021 GMC Sierra 1500 Engine Coolant Thermostat Parts

Choose your Engine for your 2021 GMC Sierra 1500

6 Cyl 4.3L 8 Cyl 5.3L 8 Cyl 6.2L

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Thermostat-187 Degrees
Temperature 187F Includes seal OEM Recommended Temp
Standard
Product Attributes:
- Installation Tool Included: No
- Sealing Flange Outside Diameter: 2.2
- Flange Thickness: 0.05 In
- Bypass Diameter: 1.58 In
- Gasket/Seal Material: Rubber
- Jiggle Pin Weep Hole: Yes
- Bypass Length: 2.12 In
- Temperature (Degree): 187
Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable

This Part Fits the Following OEM/Substitute Numbers:

12T033E, 131-160, 15158, 1601-317694, 34198, 34198S, 455808, 46158, 48290, 523-190, 52387, 89018168, 9523190, P52387, QRT49

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
2021 - GMC Sierra 1500	V	5328	8 Cyl 5.3L	325

41 In Stock

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$28.35 USD

$34.02 USD

Thermostat-160 Degrees
Temperature 160F Includes seal Alternate Temp
Standard
Product Attributes:
- Installation Tool Included: No
- Sealing Flange Outside Diameter: 2.2
- Flange Thickness: 0.05 In
- Bypass Diameter: 1.58 In
- Gasket/Seal Material: Rubber
- Jiggle Pin Weep Hole: Yes
- Bypass Length: 2.12 In
- Temperature (Degree): 160
Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant.