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GMC I1000 Thermostats

Your I1000 is a prized possession.

When your GMC I1000 left the factory, it was destined for a person with discerning taste who values trusted quality in their automobile. Your GMC dealership isn't the only place to buy genuine or original equipment quality parts to repair your I1000. The vehicle in your driveway symbolizes the best in class when it comes to all the vehicles in today's marketplace. You purchased your I1000 because its reliability and trusted quality agreed with your nature; so why would you settle for second best when it comes to superior quality auto parts?

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 I1000 thermostat responds by directing coolant to the radiator. Now your coolant gets cooled as it recirculates through your GMC I1000 engine; keeping it within a specific range of temperatures that are ideal for engine performance... all thanks to the thermostat.

What we have to offer.

Select Your YearProcuring new GMC parts from www.carpartsdiscount.com means you are paying the lowest prices for the absolute greatest original and aftermarket replacement I1000 parts on the internet. When your GMC needs the best replacement Thermostats, there's no need to go somewhere besides the authority, Car Parts Discount. At Car Parts Discount, we have real customer support agents on the phone with enough expertise to help you select the correct GMC I1000 part for your project or repair. All the GMC I1000 Thermostats parts on this page will fit vehicles made in 1966. Choose your year below to refine your search.

Select Your Year

GMC I1000 Engine Coolant Thermostat, OEM: 45356
Stant Engine Coolant Thermostat 45356
4.65, Save 40%   POPULAR
OEM: 45356, Item: 383797
10 or More In Stock, Usually ships within 1 business day

GMC I1000, 4.1L 4098CC 250Cu. In. L6
GMC I1000 Engine Coolant Thermostat, OEM: 45358
Stant Engine Coolant Thermostat 45358
4.55, Save 40%   POPULAR
OEM: 45358, Item: 383798
10 or More In Stock, Usually ships within 1 business day

GMC I1000, 4.1L 4098CC 250Cu. In. L6
GMC I1000 Engine Coolant Thermostat, OEM: 45359
Stant Engine Coolant Thermostat 45359
4.65, Save 40%   POPULAR
OEM: 45359, Item: 383799
10 or More In Stock, Usually ships within 1 business day

GMC I1000, 4.1L 4098CC 250Cu. In. L6
GMC I1000 Engine Coolant Thermostat, OEM: 13006
Stant Engine Coolant Thermostat 13006
2.05, Save 39%   NEW ITEM
OEM: 13006, Item: 383490
10 or More In Stock, Usually ships within 1 business day

GMC I1000, 4.1L 4098CC 250Cu. In. L6
GMC I1000 Engine Coolant Thermostat, OEM: 13358
Stant Engine Coolant Thermostat 13358
3.55, Save 39%   NEW ITEM
OEM: 13358, Item: 383501
10 or More In Stock, Usually ships within 1 business day

GMC I1000, 4.1L 4098CC 250Cu. In. L6
GMC I1000 Engine Coolant Thermostat, OEM: 13359
Stant Engine Coolant Thermostat 13359
3.35, Save 40%   NEW ITEM
OEM: 13359, Item: 383502
10 or More In Stock, Usually ships within 1 business day

GMC I1000, 4.1L 4098CC 250Cu. In. L6
GMC I1000 Engine Coolant Thermostat, OEM: 13008
Stant Engine Coolant Thermostat 13008
2.05, Save 39%  
OEM: 13008, Item: 383491
10 or More In Stock, Usually ships within 1 business day

GMC I1000, 4.1L 4098CC 250Cu. In. L6
GMC I1000 Engine Coolant Thermostat, OEM: 13009
Stant Engine Coolant Thermostat 13009
2.05, Save 39%   NEW ITEM
OEM: 13009, Item: 383492
10 or More In Stock, Usually ships within 1 business day

GMC I1000, 4.1L 4098CC 250Cu. In. L6
GMC I1000 Engine Coolant Thermostat, OEM: 13352
Stant Engine Coolant Thermostat 13352
3.55, Save 39%   NEW ITEM
OEM: 13352, Item: 383499
10 or More In Stock, Usually ships within 1 business day

GMC I1000, 4.1L 4098CC 250Cu. In. L6
GMC I1000 Gates Engine Coolant Thermostat, OEM: 33508
Gates Engine Coolant Thermostat
3.15, Save 40%   NEW ITEM
OEM: 33508, Item: 242855
10 or More In Stock, Usually ships within 1 business day

GMC I1000, 4.1L 4098CC 250Cu. In. L6