174+ 1986 GMC K1500 Cooling System High Sierra Parts - Page 3

High Sierra · Cooling System (174 products)

Exact-fit parts for the 1986 GMC K1500 High Sierra.

Fel-Pro

Part # 5152

Confirmed Fit

Fel-Pro 75-86 Chevrolet C10/88-99 C1500/69-05 Blazer/75-86 K5 Blazer Engine Water Pump Gasket

$1.56

Dayco

Part # 71558

Fits with Conditions

CURVED RADIATOR HOSE, DAYCO

$19.90

Gates

Part # 25532

Confirmed Fit

Gates 80-90 Chevrolet C & K Series Pickup V-8 5.7L Lower Flexible Coolant Hose (Standard)

$21.96

Vernet

Part # THF1378.73

Fits with Conditions

Engine Coolant Thermostat

$9.10

Standard Motor Products

Part # RY-121

Fits with Conditions

A/C COMPRESSOR CLUTCH RELAY

$22.85

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

Standard Motor Products

Part # RY-83

Confirmed Fit

AUXILIARY ENGINE COOLING FAN RELAY

$17.33

Gates

Part # 25262

Confirmed Fit

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

$28.24

Edelbrock

Part # 8811

Confirmed Fit

Edelbrock Water Pump High Performance Chevrolet 1969-87 Cars And 1973-86 Light Duty Trucks

$340.47

Spectra Premium

Part # CU161

Fits with Conditions

Radiator

$101.09

Standard Rotation Thermal Standard Duty Fan Clutch

Four Seasons

Part # 36952

Fits with Conditions

Standard Rotation Thermal Standard Duty Fan Clutch

$45.73

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 # 61231

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.

$27.33

Motorad

Part # 300-180

Fits with Conditions

Thermostat-180 Degrees

$10.27

Four Seasons

Part # 98552A

Fits with Conditions

Aluminum Heater Core

$46.87

Motorad

Part # 5200-195

Fits with Conditions

UltraStat Thermostat-195 Degrees

$16.29

Motorad

Part # 2006-160

Fits with Conditions

High Flow Thermostat-160 Degrees

$8.22

Gates

Part # 25311

Confirmed Fit

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

$31.76

US Motor Works

Part # 22052

Fits with Conditions

Thermal Fan Clutch

$67.78

Spectra Premium

Part # 7-3642

Fits with Conditions

A/C Condenser

$119.05

GPD

Part # 8241241

Fits with Conditions

gpd Water Outlet 8241241

$10.45

Frequently Asked Questions

Do these parts fit my 1986 GMC K1500 High Sierra?

This page groups parts listed for the 1986 GMC K1500 High Sierra. 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 1986 GMC K1500 High Sierra?

We offer a wide selection of cooling system parts for the 1986 GMC K1500 High Sierra. 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 1986 GMC K1500 High Sierra?

We carry parts from trusted brands including Motorad, Gates, Four Seasons, Edelbrock, and Fel-Pro, plus many more. Filter by brand to find your preferred manufacturer.

How fast do 1986 GMC K1500 High Sierra 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 1986 GMC K1500 High Sierra 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.

1986 GMC K1500(4,321 parts)

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1986 GMC K1500(4,321 parts)

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Other GMC K1500 Years

High Sierra · Cooling System (174 products)

Fel-Pro 75-86 Chevrolet C10/88-99 C1500/69-05 Blazer/75-86 K5 Blazer Engine Water Pump Gasket

CURVED RADIATOR HOSE, DAYCO

Gates 80-90 Chevrolet C & K Series Pickup V-8 5.7L Lower Flexible Coolant Hose (Standard)

Engine Coolant Thermostat

A/C COMPRESSOR CLUTCH RELAY

MAHLE Original Am General Hummer 98-94 Thermostat Seal

AUXILIARY ENGINE COOLING FAN RELAY

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

Edelbrock Water Pump High Performance Chevrolet 1969-87 Cars And 1973-86 Light Duty Trucks

Radiator

Standard Rotation Thermal Standard Duty Fan Clutch

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.

Thermostat-180 Degrees

Aluminum Heater Core

UltraStat Thermostat-195 Degrees

High Flow Thermostat-160 Degrees

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

Thermal Fan Clutch

A/C Condenser

gpd Water Outlet 8241241

Frequently Asked Questions

Do these parts fit my 1986 GMC K1500 High Sierra?

What cooling system options are available for my 1986 GMC K1500 High Sierra?

What brands make parts for the 1986 GMC K1500 High Sierra?

How fast do 1986 GMC K1500 High Sierra parts ship?

What warranty do your 1986 GMC K1500 High Sierra parts come with?