Car PartsGMC PartsGMC M340 PartsGMC M340 Thermostats

GMC M340 Thermostats

Your M340 is a prized possession.

It's not a regular occurrence that you find yourself in need of a replacement Thermostats to fix your automobile. You purchased your M340 because its reliability and trusted quality agreed with your nature; so why would you be okay with second rate when it comes to great quality auto parts? Anyone who owns a GMC knows that when it comes to maintaining their car, truck, or SUV only the most superior replacement parts will do. Your GMC dealership isn't the only place to find the best parts to repair your M340.

What Thermostats does for your vehicle.

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; bypassing the flow of coolant through your radiator. This cycles the coolant through the engine block and gets it hot. Once it reaches an ideal temperature, your GMC M340 thermostat responds by directing coolant to the radiator. Now your coolant is part of a constant cycle in your GMC M340 engine that keeps it within a specific range of temperatures that are ideal for engine performance... all thanks to the thermostat.

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

Select Your YearTrust in the value of the parts you get from carpartsdiscount.com and save time and money on all your upcoming repairs. At Car Parts Discount, we have live customer service members here with enough expertise to help you buy the appropriate GMC M340 part for your needs. Don't let a broken Thermostats bring about the demise of your car, truck, or SUV, and don't risk lowering its resale value by installing anything but the best repair parts. When it comes to GMC M340 Thermostats parts, you can find them for 1955 models by clicking the appropriate year below.

Select Your Year

GMC M340 Engine Coolant Thermostat, OEM: 13358
Stant Engine Coolant Thermostat 13358
3.55, Save 39%   POPULAR
OEM: 13358, Item: 383501
10 or More In Stock, Usually ships within 1 business day

GMC M340, 4.7L 4720CC 288Cu. In. V8
GMC M340, 5.2L 5179CC 316Cu. In. V8
GMC M340 Engine Coolant Thermostat, OEM: 13356
Stant Engine Coolant Thermostat 13356
3.55, Save 39%   POPULAR
OEM: 13356, Item: 383500
10 or More In Stock, Usually ships within 1 business day

GMC M340, 4.7L 4720CC 288Cu. In. V8
GMC M340, 5.2L 5179CC 316Cu. In. V8
GMC M340 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 M340, 4.7L 4720CC 288Cu. In. V8
GMC M340, 5.2L 5179CC 316Cu. In. V8
GMC M340 Engine Coolant Thermostat, OEM: 45359
Stant Engine Coolant Thermostat 45359
4.45, Save 39%   NEW ITEM
OEM: 45359, Item: 642634
10 or More In Stock, Usually ships within 1-2 business days

GMC M340, 4.7L 4720CC 288Cu. In. V8
GMC M340, 5.2L 5179CC 316Cu. In. V8
GMC M340 Engine Coolant Thermostat, OEM: 45358
Stant Engine Coolant Thermostat 45358
4.45, Save 39%  
OEM: 45358, Item: 642633
10 or More In Stock, Usually ships within 1-2 business days

GMC M340, 4.7L 4720CC 288Cu. In. V8
GMC M340, 5.2L 5179CC 316Cu. In. V8
GMC M340 Engine Coolant Thermostat, OEM: 45356
Stant Engine Coolant Thermostat 45356
4.45, Save 39%   NEW ITEM
OEM: 45356, Item: 642632
10 or More In Stock, Usually ships within 1-2 business days

GMC M340, 4.7L 4720CC 288Cu. In. V8
GMC M340, 5.2L 5179CC 316Cu. In. V8
GMC M340 Engine Coolant Thermostat, OEM: 33009S
Gates Engine Coolant Thermostat 33009S
4.55, Save 40%   NEW ITEM
OEM: 33009S, Item: 667726
10 or More In Stock, Usually ships within 1-2 business days

GMC M340, 4.7L 4720CC 288Cu. In. V8
GMC M340, 5.2L 5179CC 316Cu. In. V8
GMC M340 Engine Coolant Thermostat, OEM: 33008S
Gates Engine Coolant Thermostat 33008S
4.55, Save 40%   NEW ITEM
OEM: 33008S, Item: 667725
10 or More In Stock, Usually ships within 1-2 business days

GMC M340, 4.7L 4720CC 288Cu. In. V8
GMC M340, 5.2L 5179CC 316Cu. In. V8
GMC M340 Engine Coolant Thermostat, OEM: 33006S
Gates Engine Coolant Thermostat 33006S
4.55, Save 40%   NEW ITEM
OEM: 33006S, Item: 667723
10 or More In Stock, Usually ships within 1-2 business days

GMC M340, 4.7L 4720CC 288Cu. In. V8
GMC M340, 5.2L 5179CC 316Cu. In. V8
GMC M340 Engine Coolant Thermostat, OEM: 33008
Gates Engine Coolant Thermostat 33008
3.45, Save 40%   NEW ITEM
OEM: 33008, Item: 667724
8 In Stock, Usually ships within 1-2 business days

GMC M340, 4.7L 4720CC 288Cu. In. V8
GMC M340, 5.2L 5179CC 316Cu. In. V8