Gates 33963 | Engine Coolant Thermostat

Part Number

33963

Heavy-Duty Engine Coolant Thermostat

Fits: Buick Rainier, Cadillac CTS, Cadillac Escalade, Cadillac Escalade ESV, Cadillac Escalade EXT, Chevrolet Avalanche 1500, Chevrolet Camaro, Chevrolet Cargo Van, Chevrolet Corvette, Chevrolet Express 1500, Chevrolet Express 2500, Chevrolet Express 3500, Chevrolet Monte Carlo, Chevrolet Silverado 1500, Chevrolet Silverado 1500 HD, Chevrolet Silverado 2500, Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500, Chevrolet SSR, Chevrolet Suburban 1500, Chevrolet Suburban 2500, Chevrolet Tahoe, Chevrolet Trailblazer, Chevrolet Trailblazer EXT, Chevrolet W3500 Tiltmaster, Chevrolet W4500 Tiltmaster, GMC Envoy, GMC Envoy XL, GMC Envoy XUV, GMC Savana 1500, GMC Savana 2500, GMC Savana 3500, GMC Savana 4500, GMC Sierra 1500, GMC Sierra 1500 HD, GMC Sierra 2500, GMC Sierra 2500 HD, GMC Sierra 3500, GMC W3500 Forward, GMC W4500 Forward, GMC Yukon, GMC Yukon XL 1500, GMC Yukon XL 2500, Hummer H2

Special Price $9.86 Regular Price $13.85

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In stock

Estimated Ship Date: 1 Business Day or Less

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Details

Quality controlled factory calibration assures accurate heat control under extreme variations in temperature, load and engine vibrations. Approved for marine applications.

Heavy-gauge brass and stainless steel with positive piston heat motor.
Available in Choke type, Top By-Pass, Bottom By-Pass, Side By-Pass, Normally Open and other types to meet heavy-duty cooling system designs.

Note: Seal should always be changed when new thermostat is installed.

Gates - Driven By Possibility

BRAND: Gates

FEATURES:

Engine Coolant Thermostat
2006-1999 Chevrolet, Silverado Series Pickup, V-8 5.3 L, Thermostat
Heavy-Duty Engine Coolant Thermostat
Heavy-Duty Engine Coolant Thermostat

SPECIFICS:

By-Pass Flange Diameter (in)	1.58
California Proposition 65	WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
Design	Bottom By-Pass
Height	2.7
Height Between Flanges	1.8
Height from Flange (in)	.9
Includes Installation Tool	No
Jiggle Pin Weep Hole	Yes
Material	Steel, Brass, Copper
Number of Gaskets	0
Number of Jiggle Pins/Check Valves	1
Number of Seals	1
Seal Type	O-Ring
Sealing Flange Outside Diameter	2.13
Start to Open Temperature	187
Start to Open Temperature	86
Type	Heavy-Duty Thermostat

DOWNLOADS:

INTERCHANGE:

General Motors: 12581595
CARQUEST or Stant: 14948
General Motors: 12600171
Stant: 14948
Stant: 30358
Grainger: 14948
NAPA Belts/Hose: 33963
Parts Master: 45687
Carquest: 30358
Isuzu: 8-12581-595-0
Isuzu: 8-12600-171-0
NAPA: 506-186
CST: 45687
Motorad: 456-187

APPLICATIONS:

2004-2006 Chevrolet Avalanche 1500

Excludes Housing; 186 Degree; OE Temperature; Seal included

2000-2003 GMC Yukon XL 1500

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2001-2003 GMC Sierra 2500 HD

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 Chevrolet Silverado 2500

Excludes Housing; 186 Degree; OE Temperature; Seal included

2006-2006 Cadillac Escalade EXT

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2012-2012 Isuzu NPR-HD

186 Degree; Seal included

2005-2006 Pontiac Grand Prix

Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 Pontiac GTO

Excludes Housing; 186 Degree; OE Temperature; Seal included

1998-2002 Chevrolet Camaro

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 Chevrolet Suburban 2500

Excludes Housing; 186 Degree; OE Temperature; Seal included

2005-2006 GMC Envoy

Excludes Housing; 186 Degree; OE Temperature; Seal included

2003-2003 Hummer H2

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2003-2003 Chevrolet Express 2500

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2003-2003 Isuzu Ascender

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2010-2010 GMC W4500 Forward

186 Degree; Seal included

1999-2003 Chevrolet Silverado 2500

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2005-2006 GMC Sierra 1500 HD

Excludes Housing; 186 Degree; OE Temperature; Seal included

2003-2003 Chevrolet SSR

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2002-2003 Chevrolet Avalanche 1500

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2000-2003 GMC Yukon

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2005-2006 GMC Sierra 1500

186 Degree; OE Temperature; Seal included

1999-2003 Chevrolet Silverado 1500

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2007-2008 GMC W3500 Forward

186 Degree; OE Temperature; Seal included

2003-2003 GMC Savana 2500

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 Hummer H2

Excludes Housing; 186 Degree; OE Temperature; Seal included

2003-2006 Isuzu NPR-HD

186 Degree; Seal included

2004-2005 Workhorse Custom Chassis P42

Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2004 GMC Sierra 2500

Excludes Housing; 186 Degree; OE Temperature; Seal included

2002-2002 Chevrolet Corvette

W/GM Updated Replacement Water Pump; 186 Degree; OE Temperature; Seal included

2004-2005 Cadillac Escalade

Excludes Housing; 186 Degree; OE Temperature; Seal included

2003-2003 Chevrolet Express 3500

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 GMC Savana 3500

Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2005 GMC Envoy XUV

Excludes Housing; 186 Degree; OE Temperature; Seal included

2002-2003 Cadillac Escalade EXT

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 Chevrolet Express 1500

Excludes Housing; 186 Degree; OE Temperature; Seal included

2002-2003 Cadillac Escalade

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2001-2003 Chevrolet Silverado 3500

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 Chevrolet Trailblazer EXT

Excludes Housing; 186 Degree; OE Temperature; Seal included

2001-2003 GMC Sierra 3500

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 Chevrolet Express 3500

Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 Buick Rainier

Excludes Housing; 186 Degree; OE Temperature; Seal included

2003-2003 Chevrolet Express 1500

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2003-2003 Cadillac Escalade ESV

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 Chevrolet Tahoe

Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2005 Cadillac CTS

Excludes Housing; 186 Degree; OE Temperature; Seal included

1998-2002 Pontiac Firebird

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 Chevrolet Corvette

Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 Chevrolet Silverado 1500

186 Degree; OE Temperature; Seal included

2004-2006 Chevrolet Express 2500

Excludes Housing; 186 Degree; OE Temperature; Seal included

2003-2003 GMC Savana 1500

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2000-2003 GMC Yukon XL 2500

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2000-2003 Chevrolet Tahoe

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 Chevrolet Suburban 1500

Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 GMC Yukon

Excludes Housing; 186 Degree; OE Temperature; Seal included

2005-2007 Saab 9-7x

Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 GMC Sierra 2500 HD

Excludes Housing; 186 Degree; OE Temperature; Seal included

1999-2003 GMC Sierra 2500

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 Chevrolet Silverado 3500

Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 Isuzu Ascender

Excludes Housing; 186 Degree; OE Temperature; Seal included

2000-2003 Chevrolet Suburban 1500

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2003-2003 GMC Savana 3500

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2003-2003 Chevrolet Corvette

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2001-2003 GMC Sierra 1500 HD

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 Chevrolet Silverado 1500

Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 Chevrolet Silverado 2500 HD

Excludes Housing; 186 Degree; OE Temperature; Seal included

2006-2006 Chevrolet Monte Carlo

186 Degree; OE Temperature; Seal included

2006-2009 Workhorse Custom Chassis W42

Excludes Housing; 186 Degree; OE Temperature; Seal included

2010-2010 GMC Savana 4500

186 Degree; Seal included

1997-2001 Chevrolet Corvette

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 GMC Yukon XL 2500

Excludes Housing; 186 Degree; OE Temperature; Seal included

2005-2005 Workhorse FasTrack FT1061

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2001-2003 Chevrolet Silverado 1500 HD

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2005-2006 Chevrolet Silverado 1500 HD

Excludes Housing; 186 Degree; OE Temperature; Seal included

2006-2006 Cadillac Escalade ESV

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2010-2010 Chevrolet W4500 Tiltmaster

186 Degree; Seal included

1999-2003 GMC Sierra 1500

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 GMC Savana 1500

Excludes Housing; 186 Degree; OE Temperature; Seal included

2006-2009 Workhorse W42

Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 GMC Sierra 1500

Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2005 Cadillac Escalade EXT

Excludes Housing; 186 Degree; OE Temperature; Seal included

2000-2003 Chevrolet Suburban 2500

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2011-2012 Isuzu NPR

186 Degree; Seal included

2004-2006 GMC Envoy XL

Excludes Housing; 186 Degree; OE Temperature; Seal included

2001-2003 Chevrolet Silverado 2500 HD

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2005-2005 Workhorse FasTrack FT1461

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 Chevrolet W3500 Tiltmaster

Excludes Housing; 186 Degree; OE Temperature; Seal included

2006-2006 Cadillac Escalade

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 GMC Savana 2500

Excludes Housing; 186 Degree; OE Temperature; Seal included

2005-2005 Workhorse FasTrack FT1261

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2005-2005 Workhorse FasTrack FT1601

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2004 Chevrolet Cargo Van

Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 GMC Yukon XL 1500

Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 GMC W3500 Forward

W/O Housing; 186 Degree; OE Temperature; Seal included

2004-2005 Cadillac Escalade ESV

Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 GMC Sierra 3500

Excludes Housing; 186 Degree; OE Temperature; Seal included

2006-2006 Chevrolet Trailblazer

Excludes Housing; 186 Degree; OE Temperature; Seal included

2007-2009 Chevrolet W3500 Tiltmaster

186 Degree; OE Temperature; Seal included

2003-2003 Chevrolet Trailblazer EXT

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2004-2006 Chevrolet SSR

Excludes Housing; 186 Degree; OE Temperature; Seal included

2003-2003 GMC Envoy XL

W/GM Updated Replacement Water Pump; Excludes Housing; 186 Degree; OE Temperature; Seal included

2003-2006 Isuzu NPR

186 Degree; Seal included

Product Questions (7)

Customer Questions

When to replace the engine coolant thermostat?

The engine coolant thermostat should be replaced if it is not functioning properly or as a preventive maintenance measure after a certain mileage or time interval.

What is an engine coolant thermostat?

An engine coolant thermostat is a component that regulates the flow of coolant through the engine to maintain optimal operating temperature.

Will the engine coolant temperature sensor keep the car from starting?

In most cases, a malfunctioning engine coolant temperature sensor (ECT sensor) will not prevent the car from starting. The engine coolant temperature sensor (ECT sensor) is responsible for monitoring the temperature of the engine coolant and sending that information to the engine control unit (ECU). The ECU uses this information to make adjustments to the fuel mixture and ignition timing for optimal engine performance.

Does PartsHawk carry an engine coolant thermostat for Mazda 6?

Yes, PartsHawk carries an Engine Coolant thermostat for Mazda 6

What types of automotive products does Gates offer?

Gates offers a wide range of automotive products, including belts, hoses, tensioners, and more.

I'm looking for a replacement belt for my vehicle. Can you help me understand the different options available from Gates and recommend the best one for my specific make and model?

Yes, Gates offers a range of replacement belts for various applications. To find the best one for your specific make and model, it is recommended to consult the Gates website or reach out to their customer support.

Are there any specific maintenance for Gates products?

Yes, there are specific maintenance and installation guidelines to follow when using Gates products to ensure optimal performance and longevity.