Car PartsGMC PartsGMC K15 PartsGMC K15 Thermostats

GMC K15 Thermostats

Your K15 is a prized possession.

It's not a regular occurrence that you realize that you have to buy a replacement Thermostats for your vehicle. When your GMC K15 rolled off the assembly line, it was destined for a person with discerning taste who wants trusted quality in their automobile. Auto enthusiasts appreciate the a brand you can trust built into each GMC, and know that only the best repair K15 parts will suffice when your car or truck needs fixing. The vehicle in your driveway symbolizes the best in class when it comes to all the vehicles currently being driven today.

Why Thermostats replacement is so important.

Your car or truck has a water-cooled motor, and its thermostat keeps the coolant flowing in the right direction so that your engine can maintain a constant and ideal operating temperature. On start-up, the thermostat remains closed; bypassing the flow of coolant through your radiator. This cycles the coolant through the engine block and gets it hot. Once it reaches an optimal operating temperature, your GMC K15 thermostat responds by directing coolant to the radiator. Now your coolant is part of a constant cycle in your GMC K15 engine that keeps it within a specific range of temperatures that are determined for the engine to achieve the best balance between power, fuel efficiency, and emissions... all thanks to the thermostat.

We carry all the top brands.

Select Your YearWhen your GMC requires the best replacement Thermostats, there's no need to waste time looking anywhere other than the authority, Car Parts Discount. Get your K15 back on the road with the highest quality repair parts from the experts at Car Parts Discount. Buy all the car parts you will ever need from carpartsdiscount.com and save time and money on all your upcoming repairs. All the GMC K15 Thermostats parts on this page will fit vehicles made in 1978, 1977, 1976, 1975. Choose your year below to refine your search.

Select Your Year

GMC K15 Engine Coolant Thermostat, OEM: 12TE1B
ACDelco Engine Coolant Thermostat 12TE1B
2.15, Save 40%   NEW ITEM
OEM: 12TE1B, Item: 885094
10 or More In Stock, Usually ships within 1 business day

GMC K15
GMC K15 Engine Coolant Thermostat, OEM: 12TE1D
ACDelco Engine Coolant Thermostat 12TE1D
2.15, Save 40%   NEW ITEM
OEM: 12TE1D, Item: 885095
10 or More In Stock, Usually ships within 1 business day

GMC K15
GMC K15 Engine Coolant Thermostat, OEM: 12TE1E
ACDelco Engine Coolant Thermostat 12TE1E
2.15, Save 40%   NEW ITEM
OEM: 12TE1E, Item: 890423
10 or More In Stock, Usually ships within 1 business day

GMC K15
GMC K15 Engine Coolant Thermostat, OEM: 12T1D
ACDelco Engine Coolant Thermostat 12T1D
3.55, Save 39%   NEW ITEM
OEM: 12T1D, Item: 885136
10 or More In Stock, Usually ships within 1 business day

GMC K15
GMC K15 Engine Coolant Thermostat, OEM: 12T1F
ACDelco Engine Coolant Thermostat 12T1F
3.55, Save 39%   NEW ITEM
OEM: 12T1F, Item: 1215357
10 or More In Stock, Usually ships within 1 business day

GMC K15
GMC K15 Engine Coolant Thermostat, OEM: 12T1B
ACDelco Engine Coolant Thermostat 12T1B
3.65, Save 41%   NEW ITEM
OEM: 12T1B, Item: 885135
10 or More In Stock, Usually ships within 1 business day

GMC K15
GMC K15 Engine Coolant Thermostat, OEM: 12T1E
ACDelco Engine Coolant Thermostat 12T1E
3.65, Save 40%   NEW ITEM
OEM: 12T1E, Item: 890426
10 or More In Stock, Usually ships within 1 business day

GMC K15
GMC K15 Engine Coolant Thermostat, OEM: 12TP1E
ACDelco Engine Coolant Thermostat 12TP1E
4.75, Save 39%   NEW ITEM
OEM: 12TP1E, Item: 890424
10 or More In Stock, Usually ships within 1 business day

GMC K15
GMC K15 Engine Coolant Thermostat, OEM: 131-87/13187
ACDelco Engine Coolant Thermostat 131-87
8.15, Save 39%   NEW ITEM
OEM: 131-87, Item: 692590
10 or More In Stock, Usually ships within 1 business day

GMC K15, 4.1L 4098CC 250Cu. In. L6
GMC K15, 4.8L 4801CC 292Cu. In. L6
GMC K15, 5.0L 4999CC 305Cu. In. V8
GMC K15, 5.7L 5735CC 350Cu. In. V8
GMC K15, 6.6L 6555CC 400Cu. In. V8
GMC K15, 7.4L 7441CC 454Cu. In. V8
GMC K15 Engine Coolant Thermostat, OEM: 12TP1B
ACDelco Engine Coolant Thermostat 12TP1B
4.65, Save 40%   NO STOCK
OEM: 12TP1B, Item: 885117
Restock date not known

GMC K15