GM Thermostats

97371077 - : Engine Coolant Water Outlet for GM Image

Engine Coolant Water Outlet

All models. 6.6l. Thick base helps prevent leaks by minimizing warpage Leak-resistant Neoprene O-ring seal Helps your cooling system...
$312.96
MSRP $584.98
Save $272.02
46.5% Off
12557563 - : Engine Coolant Water Outlet for GM Image

Engine Coolant Water Outlet

All models. 4.3l. Silverado, sierra. 4.3l. Thick base helps prevent leaks by minimizing warpage Leak-resistant Neoprene O-ring seal...
$72.01
MSRP $125.24
Save $53.23
42.5% Off
55579984 - : Engine Coolant Seal for GM Image

Engine Coolant Seal

1.6L, type 3. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.75
MSRP $7.76
Save $2.01
25.9% Off
11611144 - : Multi-Purpose Stud for GM Image

Multi-Purpose Stud

6.6L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$6.02
MSRP $8.12
Save $2.10
25.9% Off
90537471 - : Engine Coolant Water Inlet Seal for GM Image

Engine Coolant Water Inlet Seal

Helps repair leaking cooling system This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$18.46
MSRP $28.42
Save $9.96
35% Off
12556594 - : Engine Coolant Water Outlet for GM Image

Engine Coolant Water Outlet

All models. 5.0l, 5.7l. Express, savana. 5.0l, 5.7l. 1/2, 3/4 & 1 ton, 1996 new style, 5.0, 5.7L. Thick base helps prevent leaks by...
$29.35
MSRP $45.16
Save $15.81
35% Off
12556593 - : Engine Coolant Water Outlet for GM Image

Engine Coolant Water Outlet

6 cylinder, with high output. Astro, Safari. Cpi, mpi. 4.3L. All models. Express, savana. 2003-14. This GM Genuine Part is designed,...
$15.94
MSRP $24.52
Save $8.58
35% Off
10147884 - : Engine Coolant Water Outlet for GM Image

Engine Coolant Water Outlet

All models. 5.0l, 5.7l. Exc.Armored Body Equipment. Thick base helps prevent leaks by minimizing warpage Leak-resistant Neoprene O-ring...
$56.10
MSRP $93.50
Save $37.40
40% Off
11519973 - : M6x1x60 Multi-Purpose Bolt for GM Image

M6x1x60 Multi-Purpose Bolt

3.6L. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$4.24
MSRP $5.72
Save $1.48
25.9% Off
3522957 - : Engine Coolant Outlet Gasket for GM Image

Engine Coolant Outlet Gasket

4.9L, lower.
$6.05
MSRP $9.30
Save $3.25
34.9% Off
11516480 - : Multi-Purpose Bolt for GM Image

Multi-Purpose Bolt

6.0 & 6.2L. Coupe, 6.2L. Fastens vehicle's components together This GM Genuine Part is designed, engineered, and tested to rigorous...
$16.84
MSRP $25.90
Save $9.06
35% Off
12707272 - : Water Inlet for GM Image

Water Inlet

5.5L. Corvette.
$8.71
MSRP $13.40
Save $4.69
35% Off

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Thermostats: Keeping Your Cadillac Engine At The Right Temperature

At GM Parts Warehouse, we understand how important thermostats are to your Cadillac’s engine performance. They regulate coolant flow and help maintain the proper operating temperature. A failed thermostat can lead to overheating or inefficient engine operation. We offer genuine Cadillac replacements to keep your vehicle running smoothly and reliably.

What Thermostats Do

Thermostats control the engine’s temperature by opening and closing to regulate coolant flow. This ensures your engine warms up quickly and maintains a stable temperature under all driving conditions. Properly functioning thermostats prevent overheating and support fuel efficiency. Popular Cadillac models such as the Escalade and CTS depend on these components for reliable performance.

Signs It's Time To Replace Them

Common indicators that a thermostat may need replacement include fluctuating engine temperature, poor heating performance in the cabin, or coolant leaks around the thermostat housing. Overheating or extended engine warm-up times are also warning signs. Replacing the thermostat promptly prevents damage to the engine and associated systems. While checking the thermostat, inspect related components, such as radiators, to ensure proper cooling system operation.

Why Genuine Cadillac Thermostats Matter

Genuine Cadillac thermostats offer precise fit, reliable operation, and long-lasting performance. Lower-priced aftermarket options may fail sooner or cause inconsistent engine temperatures. At GM Parts Warehouse, we provide authentic components to keep your Cadillac running efficiently. Order today to ensure your thermostat performs as intended and protects your engine for the long term.

GM Parts Warehouse offers fast shipping and hassle-free returns, making it simple to get the right thermostat for your Cadillac without worry.