Car PartsGMC PartsGMC Sierra 2500 HD Classic PartsGMC Sierra 2500 HD Classic Thermostats

GMC Sierra 2500 HD Classic Thermostats

Great cars and trucks like your Sierra 2500 HD Classic need great parts.

GMC automobile enthusiasts have come to expect a certain level of reliability when driving their Sierra 2500 HD Classic around town. Obviously, you didn't buy your Sierra 2500 HD Classic unless you understood you would be getting horsepower and great value both impeccably combined into one vehicle. Anyone who owns a GMC knows that when it comes to fixing their automobile only the most superior replacement parts will do. The vehicle in your driveway symbolizes the best in class when it comes to all the vehicles in today's marketplace.

Don't go too long without fixing your Thermostats... here's why.

Your car or truck has a water-cooled motor, 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 cycles the coolant through the engine block and gets it hot. Once it reaches an ideal temperature, your GMC Sierra 2500 HD Classic thermostat then opens up and allows the coolant into the radiator. Now your coolant is part of a constant cycle in your GMC Sierra 2500 HD Classic engine that keeps it at a steady and controlled temperature ideal for engine performance... all thanks to the thermostat.

You've tried the rest, now try the best.

Select Your YearProcuring new GMC parts from www.carpartsdiscount.com means you are getting the best deal on the absolute greatest original and aftermarket replacement Sierra 2500 HD Classic parts on the internet. Given all the hassles associated with installing a part to fix your car or truck, let www.carpartsdiscount.com be the first place you go to make purchasing it easy. Bring your Sierra 2500 HD Classic back to life with the best new or rebuilt parts from the experts at Car Parts Discount. When it comes to GMC Sierra 2500 HD Classic Thermostats parts, you can find them for 2007 models by clicking the appropriate year below.

Select Your Year

GMC Sierra 2500 HD Classic Engine Coolant Thermostat, OEM: 12T55D
ACDelco Engine Coolant Thermostat 12T55D
5.05, Save 39%   NEW ITEM
OEM: 12T55D, Item: 885182
10 or More In Stock, Usually ships within 1 business day

GMC Sierra 2500 HD Classic, 8.1L 8127CC 496Cu. In. V8
GMC Sierra 2500 HD Classic Engine Coolant Thermostat, OEM: 12T55E
ACDelco Engine Coolant Thermostat 12T55E
5.05, Save 39%   NEW ITEM
OEM: 12T55E, Item: 890430
10 or More In Stock, Usually ships within 1 business day

GMC Sierra 2500 HD Classic, 8.1L 8127CC 496Cu. In. V8
GMC Sierra 2500 HD Classic Engine Coolant Thermostat, OEM: 12TP13E
ACDelco Engine Coolant Thermostat 12TP13E
6.85, Save 40%   NEW ITEM
OEM: 12TP13E, Item: 890425
10 or More In Stock, Usually ships within 1 business day

GMC Sierra 2500 HD Classic, 8.1L 8127CC 496Cu. In. V8
GMC Sierra 2500 HD Classic Engine Coolant Thermostat, OEM: 131-121/131121
ACDelco Engine Coolant Thermostat 131-121
11.65, Save 39%   NEW ITEM
OEM: 131-121, Item: 692570
2 In Stock, Usually ships within 1 business day

GMC Sierra 2500 HD Classic, 8.1L 8127CC 496Cu. In. V8
GMC Sierra 2500 HD Classic Engine Coolant Thermostat, OEM: 12T99D
ACDelco Engine Coolant Thermostat 12T99D
19.75, Save 39%   NEW ITEM
OEM: 12T99D, Item: 885195
1 In Stock, Usually ships within 1 business day

GMC Sierra 2500 HD Classic, 6.6L 6599CC 403Cu. In. V8
GMC Sierra 2500 HD Classic Engine Coolant Thermostat, OEM: 12T100D
ACDelco Engine Coolant Thermostat 12T100D
19.85, Save 39%   NEW ITEM
OEM: 12T100D, Item: 885138
6 In Stock, Usually ships within 1 business day

GMC Sierra 2500 HD Classic, 6.6L 6599CC 403Cu. In. V8
GMC Sierra 2500 HD Classic Engine Coolant Thermostat Kit, OEM: 131-160/131160
ACDelco Engine Coolant Thermostat Kit 131-160
34.15, Save 39%  
OEM: 131-160, Item: 887735
10 or More In Stock, Usually ships within 1 business day

GMC Sierra 2500 HD Classic, 6.0L 5967CC 364Cu. In. V8
ACDelco Engine Coolant Thermostat Kit 131-131
34.25, Save 39%   NEW ITEM
OEM: 131-131, Item: 887727
10 or More In Stock, Usually ships within 1 business day

GMC Sierra 2500 HD Classic, 6.6L 6599CC 403Cu. In. V8
GMC Sierra 2500 HD Classic Engine Coolant Thermostat / Water Inlet Assembly, OEM: 15-11057/1511057
ACDelco Engine Coolant Thermostat / Water Inlet Assembly 15-11057
37.55, Save 39%   NEW ITEM
OEM: 15-11057, Item: 885406
10 or More In Stock, Usually ships within 1 business day

GMC Sierra 2500 HD Classic, 6.0L 5967CC 364Cu. In. V8
ACDelco Engine Coolant Thermostat Kit 131-163
39.15, Save 39%   NEW ITEM
OEM: 131-163, Item: 887736
10 or More In Stock, Usually ships within 1 business day

GMC Sierra 2500 HD Classic, 6.6L 6599CC 403Cu. In. V8