191+ 1990 GMC K1500 Cooling System Sierra SLE Parts - Page 3

Sierra SLE · Cooling System (191 products)

Exact-fit parts for the 1990 GMC K1500 Sierra SLE.

Vernet

Part # THF1378.73

Fits with Conditions

Engine Coolant Thermostat

$9.10

Reverse Rotation Thermal Heavy Duty Fan Clutch

Hayden

Part # 2734

Fits with Conditions

Reverse Rotation Thermal Heavy Duty Fan Clutch

$56.15

Spectra Premium

Part # CU624

Fits with Conditions

Radiator

$167.24

MAHLE Original Am General Hummer 98-94 Thermostat Seal

Victor Reinz

Part # C31273

Confirmed Fit

MAHLE Original Am General Hummer 98-94 Thermostat Seal

$14.41

Motorad

Part # CH4992

Fits with Conditions

Engine Coolant Water Outlet

$11.18

Gates

Part # 21767

Confirmed Fit

Gates 92-93 Chevrolet C & K Series Pickup V-8 6.5L Diesel Lower Molded Coolant Hose

$28.84

US Motor Works

Part # MCK1009

Fits with Conditions

Engine Water Pump and Fan Clutch

$107.64

Gates

Part # 25262

Confirmed Fit

Gates 84-87 Buick Regal V-6 3.8L Upper Flexible Coolant Hose (Standard)

$28.24

Four Seasons

Part # 36992

Fits with Conditions

Reverse Rotation Thermal Heavy Duty Fan Clutch

$52.99

Electrical Harness - 1-Wire Coolant Temperature Sensor

Dorman

Part # 85140

Fits with Conditions

Electrical Harness - 1-Wire Coolant Temperature Sensor

$15.31

Designed to transfer glycol-based coolant throughout the vehicle's cooling system. The EPDM tube and cover and the synthetic reinforcement meets or exceeds SAE 20R4EC Class D1 specifications. Exact OEM configuration ensures a perfect fit.

ContiTech

Part # 61099

Fits with Conditions

Designed to transfer glycol-based coolant throughout the vehicle's cooling system. The EPDM tube and cover and the synthetic reinforcement meets or exceeds SAE 20R4EC Class D1 specifications. Exact OEM configuration ensures a perfect fit.

$24.75

Spectra Premium

Part # CU622

Fits with Conditions

Radiator

$115.20

Motorad

Part # 300-180

Fits with Conditions

Thermostat-180 Degrees

$10.27

Motorad

Part # 5200-195

Fits with Conditions

UltraStat Thermostat-195 Degrees

$16.29

GMB

Part # 930-2400

Confirmed Fit

Heavy Duty Engine Cooling Fan Clutch

$59.36

Gates

Part # 25311

Confirmed Fit

Gates Vulco Flex II 29in x 1.25in x 1.5in Coolant Hose

$31.76

Dorman

Part # 924-010

Fits with Conditions

Body Mount Kit Radiator Support

$89.89

US Motor Works

Part # US5049

Fits with Conditions

NEW WATER PUMP

$51.93

GPD

Part # 8241241

Fits with Conditions

gpd Water Outlet 8241241

$10.45

Motorad

Part # 200-195

Fits with Conditions

Thermostat-195 Degrees

$9.71

Frequently Asked Questions

Do these parts fit my 1990 GMC K1500 Sierra SLE?

This page groups parts listed for the 1990 GMC K1500 Sierra SLE. Some products fit every trim, while others depend on submodel, engine, drivetrain, or brake package. Use your trim in My Garage or the product page fitment check to confirm exact fit.

What cooling system options are available for my 1990 GMC K1500 Sierra SLE?

We offer a wide selection of cooling system parts for the 1990 GMC K1500 Sierra SLE. This page narrows the catalog to the year, make, and model; use your trim on product pages to confirm exact fit when a part only fits certain submodels.

What brands make parts for the 1990 GMC K1500 Sierra SLE?

We carry parts from trusted brands including Gates, Motorad, Dorman, Four Seasons, and Standard Motor Products, plus many more. Filter by brand to find your preferred manufacturer.

How fast do 1990 GMC K1500 Sierra SLE parts ship?

Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.

What warranty do your 1990 GMC K1500 Sierra SLE parts come with?

Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.

1990 GMC K1500(4,353 parts)

Shop by Problem

Other GMC K1500 Years

1990 GMC K1500(4,353 parts)

Shop by Problem

Other GMC K1500 Years

Sierra SLE · Cooling System (191 products)

Engine Coolant Thermostat

Reverse Rotation Thermal Heavy Duty Fan Clutch

Radiator

MAHLE Original Am General Hummer 98-94 Thermostat Seal

Engine Coolant Water Outlet

Gates 92-93 Chevrolet C & K Series Pickup V-8 6.5L Diesel Lower Molded Coolant Hose

Engine Water Pump and Fan Clutch

Gates 84-87 Buick Regal V-6 3.8L Upper Flexible Coolant Hose (Standard)

Reverse Rotation Thermal Heavy Duty Fan Clutch

Electrical Harness - 1-Wire Coolant Temperature Sensor

Designed to transfer glycol-based coolant throughout the vehicle's cooling system. The EPDM tube and cover and the synthetic reinforcement meets or exceeds SAE 20R4EC Class D1 specifications. Exact OEM configuration ensures a perfect fit.

Radiator

Thermostat-180 Degrees

UltraStat Thermostat-195 Degrees

Heavy Duty Engine Cooling Fan Clutch

Gates Vulco Flex II 29in x 1.25in x 1.5in Coolant Hose

Body Mount Kit Radiator Support

NEW WATER PUMP

gpd Water Outlet 8241241

Thermostat-195 Degrees

Frequently Asked Questions

Do these parts fit my 1990 GMC K1500 Sierra SLE?

What cooling system options are available for my 1990 GMC K1500 Sierra SLE?

What brands make parts for the 1990 GMC K1500 Sierra SLE?

How fast do 1990 GMC K1500 Sierra SLE parts ship?

What warranty do your 1990 GMC K1500 Sierra SLE parts come with?