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GMC PartsGMC Sierra 3500 PartsThermostats

GMC Sierra 3500 Thermostats

Why you drive your Sierra 3500.

Select Your VehicleYou purchased your Sierra 3500 because its dependability and trusted quality agreed with your nature; so why would you be okay with second rate when it comes to great quality auto parts? When your GMC Sierra 3500 was born, it was destined for a driver who wants trusted quality in their automobile. Obviously, you bought your Sierra 3500 because you knew that you wanted performance and rugged design both rolled up into one automobile. Car aficionados appreciate the strong looks built into each GMC, and understand that only the best repair Sierra 3500 parts will suffice when maintenance needs to be done.

What Thermostats does for your vehicle.

Your car or truck uses liquid coolant to maintain a constant temperature in the engine, and the device that controls the flow of coolant so that the engine can remain cool is your thermostat. On start-up, the thermostat remains closed; shutting off access to the radiator. This gets the coolant hot so that the engine warms up. Once it reaches an optimal operating temperature, your GMC Sierra 3500 thermostat responds by directing coolant to the radiator. Now your coolant is part of a constant cycle in your GMC Sierra 3500 engine that keeps it at a steady and controlled temperature determined for the engine to achieve the best balance between power, fuel efficiency, and emissions... all thanks to the thermostat.

The experience this company has to make it special.

Buy all the car parts you will ever need from carpartsdiscount.com and realize incredible savings on all your upcoming repairs. Get your Sierra 3500 back on the road with the best repair parts from the experts at Car Parts Discount. Procuring new GMC parts from www.carpartsdiscount.com means you are getting the best deal on the most superior original and aftermarket replacement Sierra 3500 parts on the internet. All the GMC Sierra 3500 Thermostats parts on this page will fit vehicles made in 2006, 2005, 2004, 2003, 2002, 2001. Choose your year below to refine your search.

Info: Select your make and model in the red title bar above so we can show the parts you need.
Select Your Year
GMC Sierra 3500 Engine Coolant Thermostat, OEM: 267-195/267195Motorad
2001-2006 GMC Sierra 3500 Motorad Engine Coolant Thermostat 267-195
4.25, Save 39%   NEW ITEM
OEM: 267-195, Item: 1407316
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 3500 Engine Coolant Thermostat, OEM: 13899Stant
2001-2003 GMC Sierra 3500 Stant Engine Coolant Thermostat 13899
4.35, Save 40%  
OEM: 13899, Item: 642517
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 3500 Engine Coolant Thermostat, OEM: 33329Gates
2001-2006 GMC Sierra 3500 Gates Engine Coolant Thermostat 33329
4.75, Save 39%  
OEM: 33329, Item: 667733
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 3500 Engine Coolant Thermostat, OEM: 12T55DACDelco
2001-2006 GMC Sierra 3500 ACDelco Engine Coolant Thermostat 12T55D
5.05, Save 39%   POPULAR
OEM: 12T55D, Item: 885182
  In Stock, Usually ships within 1 business day
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GMC Sierra 3500 Engine Coolant Thermostat, OEM: 12T55EACDelco
2001-2006 GMC Sierra 3500 ACDelco Engine Coolant Thermostat 12T55E
5.05, Save 39%   NEW ITEM
OEM: 12T55E, Item: 890430
  In Stock, Usually ships within 1 business day
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GMC Sierra 3500 Engine Coolant Thermostat, OEM: 2067-195/2067195Motorad
2001-2006 GMC Sierra 3500 Motorad Engine Coolant Thermostat 2067-195
5.15, Save 40%   NEW ITEM
OEM: 2067-195, Item: 1407585
  Only 4 left In Stock, Usually ships within 1 business day
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GMC Sierra 3500 Engine Coolant Thermostat, OEM: 456-187/456187Motorad
2001-2006 GMC Sierra 3500 Motorad Engine Coolant Thermostat 456-187
5.45, Save 40%   NEW ITEM
OEM: 456-187, Item: 1405079
  In Stock, Usually ships within 1 business day
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GMC Sierra 3500 Engine Coolant Thermostat, OEM: 33963Gates
2001-2006 GMC Sierra 3500 Gates Engine Coolant Thermostat 33963
5.65, Save 39%   POPULAR
OEM: 33963, Item: 621075
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 3500 Engine Coolant Thermostat, OEM: 14948Stant
2001-2003 GMC Sierra 3500 Stant Engine Coolant Thermostat 14948
5.85, Save 39%   NEW ITEM
OEM: 14948, Item: 1201358
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 3500 Engine Coolant Thermostat, OEM: 45899Stant
2001-2003 GMC Sierra 3500 Stant Engine Coolant Thermostat 45899
6.55, Save 39%   NEW ITEM
OEM: 45899, Item: 642662
  In Stock, Usually ships within 1 business day
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GMC Sierra 3500 Engine Coolant Thermostat, OEM: 33329SGates
2001-2006 GMC Sierra 3500 Gates Engine Coolant Thermostat 33329S
6.65, Save 40%   NEW ITEM
OEM: 33329S, Item: 679331
  In Stock, Usually ships within 1 business day
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GMC Sierra 3500 Engine Coolant Thermostat, OEM: 12TP13EACDelco
2001-2006 GMC Sierra 3500 ACDelco Engine Coolant Thermostat 12TP13E
6.85, Save 40%   NEW ITEM
OEM: 12TP13E, Item: 890425
  In Stock, Usually ships within 1 business day
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GMC Sierra 3500 Engine Coolant Thermostat, OEM: 7267-195/7267195Motorad
2001-2006 GMC Sierra 3500 Motorad Engine Coolant Thermostat 7267-195
7.55, Save 40%   NEW ITEM
OEM: 7267-195, Item: 1410838
  Only 5 left In Stock, Usually ships within 1 business day
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GMC Sierra 3500 Engine Coolant Thermostat, OEM: 131-121/131121ACDelco
2001-2006 GMC Sierra 3500 ACDelco Engine Coolant Thermostat 131-121
11.55, Save 39%   NEW ITEM
OEM: 131-121, Item: 887723
  Only 7 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 3500 Engine Coolant Thermostat, OEM: 379-187/379187Motorad
2001-2003 GMC Sierra 3500 Motorad Engine Coolant Thermostat 379-187
13.55, Save 40%   NEW ITEM
OEM: 379-187, Item: 1405048
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 3500 Engine Coolant Thermostat, OEM: 33910Gates
2001-2003 GMC Sierra 3500 Gates Engine Coolant Thermostat 33910
14.35, Save 39%   NEW ITEM
OEM: 33910, Item: 672188
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 3500 Engine Coolant Thermostat, OEM: 447-185/447185Motorad
2001-2006 GMC Sierra 3500 Motorad Engine Coolant Thermostat 447-185
16.05, Save 39%   NEW ITEM
OEM: 447-185, Item: 1407373
  Only 3 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front

GMC Sierra 3500 Engine Coolant Thermostat / Water Outlet Assembly, OEM: 14298Stant
2001-2006 GMC Sierra 3500 Stant Engine Coolant Thermostat / Water Outlet Assembly 14298
16.35, Save 40%   NEW ITEM
OEM: 14298, Item: 1201307
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 3500 Engine Coolant Thermostat, OEM: 448-180/448180Motorad
2001-2006 GMC Sierra 3500 Motorad Engine Coolant Thermostat 448-180
16.45, Save 39%   NEW ITEM
OEM: 448-180, Item: 1407374
  Only 1 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear

GMC Sierra 3500 Engine Coolant Thermostat, OEM: 33946Gates
2001-2006 GMC Sierra 3500 Gates Engine Coolant Thermostat 33946
17.95, Save 39%   NEW ITEM
OEM: 33946, Item: 1451158
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front

GMC Sierra 3500 Engine Coolant Thermostat, OEM: 12T84DACDelco
2001-2003 GMC Sierra 3500 ACDelco Engine Coolant Thermostat 12T84D
18.15, Save 39%   NEW ITEM
OEM: 12T84D, Item: 885191
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 3500 Engine Coolant Thermostat, OEM: 131-156/131156ACDelco
2004-2006 GMC Sierra 3500 ACDelco Engine Coolant Thermostat 131-156
18.25, Save 39%   NEW ITEM
OEM: 131-156, Item: 887733
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 3500 Engine Coolant Thermostat, OEM: 33947Gates
2001-2006 GMC Sierra 3500 Gates Engine Coolant Thermostat 33947
18.55, Save 39%   NEW ITEM
OEM: 33947, Item: 621070
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear

GMC Sierra 3500 Engine Coolant Thermostat, OEM: 14728Stant
2001-2003 GMC Sierra 3500 Stant Engine Coolant Thermostat 14728
18.95, Save 39%   NEW ITEM
OEM: 14728, Item: 1201342
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front

GMC Sierra 3500 Thermostat, 82C / 180F, OEM: 812571261082Motorad
2004-2006 GMC Sierra 3500 Motorad Thermostat, 82C / 180F 812571261082
19.25, Save 39%   NEW ITEM
OEM: 812571261082, Item: 90070
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 3500 Engine Coolant Thermostat, OEM: 14738Stant
2001-2003 GMC Sierra 3500 Stant Engine Coolant Thermostat 14738
19.65, Save 39%   NEW ITEM
OEM: 14738, Item: 1201343
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear

GMC Sierra 3500 Engine Coolant Thermostat, OEM: 12T99DACDelco
2001-2006 GMC Sierra 3500 ACDelco Engine Coolant Thermostat 12T99D
19.75, Save 39%   NEW ITEM
OEM: 12T99D, Item: 885195
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Front

GMC Sierra 3500 Engine Coolant Thermostat, OEM: 12T100DACDelco
2001-2006 GMC Sierra 3500 ACDelco Engine Coolant Thermostat 12T100D
19.85, Save 39%  
OEM: 12T100D, Item: 885138
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Rear

GMC Sierra 3500 Engine Coolant Thermostat, OEM: 12T121DACDelco
2001-2006 GMC Sierra 3500 ACDelco Engine Coolant Thermostat 12T121D
19.95, Save 39%   NEW ITEM
OEM: 12T121D, Item: 885144
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Motorad
2001-2006 GMC Sierra 3500 Motorad Engine Coolant Thermostat 447448
30.85, Save 39%   NEW ITEM
OEM: 447448, Item: 1405076
  Only 8 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 3500 Engine Coolant Thermostat / Water Inlet Assembly, OEM: 15-10412/1510412ACDelco
2001-2003 GMC Sierra 3500 ACDelco Engine Coolant Thermostat / Water Inlet Assembly 15-10412
33.85, Save 39%   NEW ITEM
OEM: 15-10412, Item: 885351
  Only 2 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 3500 Engine Coolant Thermostat / Water Inlet Assembly, OEM: 15-11057/1511057ACDelco
2001-2006 GMC Sierra 3500 ACDelco Engine Coolant Thermostat / Water Inlet Assembly 15-11057
33.85, Save 39%   NEW ITEM
OEM: 15-11057, Item: 885406
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 3500 Engine Coolant Thermostat, OEM: 34702Gates
2001-2006 GMC Sierra 3500 Gates Engine Coolant Thermostat 34702
34.05, Save 39%   NEW ITEM
OEM: 34702, Item: 1159563
  Only 3 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

ACDelco
2001-2006 GMC Sierra 3500 ACDelco Engine Coolant Thermostat Kit 131-131
34.25, Save 39%   NEW ITEM
OEM: 131-131, Item: 887727
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 3500 Engine Coolant Thermostat, OEM: 524KTMotorad
2001-2006 GMC Sierra 3500 Motorad Engine Coolant Thermostat 524KT
36.85, Save 39%   NEW ITEM
OEM: 524KT, Item: 1405235
  Only 5 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

ACDelco
2001-2006 GMC Sierra 3500 ACDelco Engine Coolant Thermostat Kit 131-163
39.15, Save 39%   NEW ITEM
OEM: 131-163, Item: 887736
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 3500 Engine Coolant Thermostat, OEM: MMTS-VET-97L/MMTSVET97LMishimoto
2001, 2004 GMC Sierra 3500 Mishimoto Engine Coolant Thermostat MMTS-VET-97L
Add for Price, Save 36%   NEW ITEM
OEM: MMTS-VET-97L, Item: 1335438
  In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Mishimoto
2001, 2004 GMC Sierra 3500 Mishimoto Engine Coolant Thermostat MMTS-CHV-01DH
Add for Price, Save 36%   NEW ITEM
OEM: MMTS-CHV-01DH, Item: 1335238
  In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 3500 Engine Coolant Thermostat, OEM: MMTS-CHV-01DL/MMTSCHV01DLMishimoto
2001, 2004 GMC Sierra 3500 Mishimoto Engine Coolant Thermostat MMTS-CHV-01DL
Add for Price, Save 36%   NEW ITEM
OEM: MMTS-CHV-01DL, Item: 1335237
  In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle