GMC Koyo Cooling Thermostat Information

STANT SUPERSTAT HEAVY DUTY THERMOSTAT -- 195 degrees, 2-1/8 x 29/32 x 29/32 in.; Features a patented V-notch non-linear design that reduces cycling by precisely metering the amount of coolant needed; Uses a high flow venturi for maximum cooling capacity; The high strength 0.4 in. thick stainless steel flange is burnished to a bright finish for stress relief and added corrosion resistance; Its operating spring is designed with a load that is 50 percent stronger than Stant's Reverse Poppet thermostat; The power element is comparable to those thermostats used in heavy-duty trucking industry; Guarantees to deliver efficient engine operation, prolonged engine life, reduced oil consumption, improved fuel economy, and improved emissions.

Material: Stainless steel

Quantity Sold: Sold individually

Part #: ST45359

HYPERTECH POWERSTAR THERMOSTAT -- 180 degrees; Made from stainless steel material; Improves performance by inducing less heat into the intake air and reducing the engine's tendency to detonate; Replaces factory thermostat; Realizes full potential of hypertech power tuning; Requires no modifications; With lifetime Hypertech limited warranty.

Material: Stainless steel

Quantity Sold: Sold individually

Warranty: Lifetime Hypertech limited warranty

Part #: H581015

STANT ECONOMY THERMOSTAT -- 180 degrees, 2-1/8 x 7/8 x 25/32 in.; Comes with self-cleaning and self-aligning thermostat valve; Made of high strength stainless steel assembly; Offers engineered springs for smooth performance; A high quality, direct fit OE replacement thermostat.

Material: Stainless steel

Quantity Sold: Sold individually

Part #: ST13008

MR GASKET WATER NECK, CHROME PLATED -- Includes mounting bolts and mounting gasket; Precision die cast for a perfect fit; Features an O-ring style seal to prevent leaks; Check to ensure correct fit; Replacement part number 2668; With Mr Gasket's limited 90-day warranty.

Quantity Sold: Sold individually

Warranty: 90-day Mr Gasket limited warranty

Part #: G122661

HYPERTECH POWERSTAT LOW-TEMP THERMOSTAT, STAINLESS STEEL, SOLD INDIVIDUALLY -- 180 degrees opening temperature, high flow rating; Improves performance by inducing less heat into the intake air and by reducing the engine's tendency to detonate; Replaces factory thermostat; Realizes full potential of Hypertech power tuning; Requires no modifications; With lifetime Hypertech limited warranty.

Material: Stainless steel

Quantity Sold: Sold individually

Warranty: Lifetime Hypertech limited warranty

Part #: H581028

HYPERTECH LOW-TEMP POWERSTAT, STAINLESS STEEL -- 160 degrees opening temperature, high flow rating; Improves performance by inducing less heat into the intake air and by reducing the engine's tendency to detonate; With lifetime Hypertech limited warranty.

Material: Stainless steel

Quantity Sold: Sold individually

Warranty: Lifetime Hypertech limited warranty

Part #: H581000

STANT STAT LOK THERMOSTAT GASKET -- A High Quality, Direct Fit OE Replacement, Features Adhesive Backing That Holds The Thermostat Securely Centered In The Counterbore, Prevents Breaking The Mounting Flange Of The Outlet Casting, With Patented Knuckle-Saving That Hold Tight Seals, Easy Installation

Quantity Sold: Sold individually

Part #: ST25148

STANT OE REPLACEMENT SUPERSTAT BOXED THERMOSTAT -- 195 Degrees Fahrenheit Opening Temperature Rating, A Direct Fit Part, Offers A Heavy Duty Thermostat For Passenger Cars And Light Trucks, Bright Finished And Corrosion Resistant, Features Patented Features Patented V-Notch Non Linear Design That Reduces Cycling By Precisely Metering There Amount Of Coolant Needed, Offers Proper Engine Temperature Control, Reduces Oil Consumption, And Improved Fuel Economy And Emission, Constructed From Premium Stainless Steel Material

Material: Stainless steel

Quantity Sold: Sold individually

Part #: ST45899

STANT REVERSE POPPET SERIES THERMOSTAT -- 190%XB0 F, A Direct Fit OE Replacement Engine Coolant Thermostat, Made Of High Strength Stainless Steel Assembly, Offers Engineered Springs For Smooth Performance, Features Patented ELAC That Is Powered By A Heat Motor Which Is Thermally Formulated With Responsive Wax Pellet, Comes With Self-Cleaning And Self-Aligning Thermostat Valve, Has A Precise Fitting That Seals Edges To Prevent Leakage And Premature Cooling, Provides Consistent Valve Response For A Precise Engine Cooling

Material: Stainless steel

Quantity Sold: Sold individually

Part #: ST14429

STANT ECONOMY THERMOSTAT -- 160 degrees, 2-1/8 x 7/8 x 25/32 in.; Features self-cleaning and self-aligning thermostat vale; Made of high strength stainless steel assembly; Offers engineered springs for smooth performance.

Material: Stainless steel

Quantity Sold: Sold individually

Part #: ST13006