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GMC Sierra 3500 Thermostat Reviews
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Shop GMC Sierra 3500 Replacement Thermostat

Search our online thermostat catalog and find the lowest priced discount auto parts on the web. We sell wholesale to the public. We offer high quality new, OEM, aftermarket and remanufactured GMC Sierra 3500 Thermostat parts. We specialize in a wide-variety of high-quality car parts and accessories for your car, truck or SUV. Call toll free to order or place your order online via our secure checkout system. Our online parts catalog uses real-time inventory, so you can be assured the parts you buy are in stock at the time of ordering. Most orders are shipped the same day.

We stock these Thermostat brands for the GMC Sierra 3500: ReplacementGatesAC DelcoStantAPIMotoradDIY Solutions

Thermostats available for the following GMC Sierra 3500 years: 2006, 2005, 2004, 2003, 2002, 2001, 06, 05, 04, 03, 02, 01. This part is also sometimes called GMC Sierra 3500 Thermostats. We stock thermostat parts for most GMC models including Sierra 1500, Envoy, Sierra 2500 HD, Yukon, Acadia, Canyon, Yukon XL 1500, Envoy XL, Sonoma, K1500, C1500, Jimmy, Terrain, Savana 3500, Safari, K2500, W4500 Forward, C3500, C6000 Topkick, S15, Savana 1500, K1500 Suburban, Envoy XUV, W3500 Forward, Sierra 1500 HD, Savana 2500, C2500, Sierra 3500 HD, Sierra 2500 HD Classic, Yukon XL 2500, K3500, C3500HD, C7000 Topkick, G2500, C6500 Topkick, C6000, W5500 Forward, Typhoon, C4500 Topkick and C15/C1500 Pickup.

Select your Sierra 3500 year

Review Fitment Notes
Showing 20 of 469 Results
Replacement Thermostat Assembly - for 2006 GMC Sierra 3500 6.0L V8 - 121-165 Click to Enlarge
5 Stars
Replacement 121-165
Thermostat Assembly
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Part Number: 121-165
Brand: Replacement
Notes: Engine Coolant Thermostat / Water Outlet Assembly
Product Remark: Includes Thermostat and Housing.
Condition: New
Shipping Options: Free Ground Shipping
$17.95
with FREE Shipping
View Details
This Part Fits:
Catalog: E
Vehicle Engine Notes
2006 GMC Sierra 3500 6.0L V8 with 1 Piece Integrated Thermostat Assembly
Rear Gates Thermostat - for 2005 GMC Sierra 3500 6.6L V8 - W0133-1694074 Click to Enlarge
Website Reviews
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Part Number: W0133-1694074
Brand: Gates
Notes: OE Type
Position: Rear
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$59.78
Our Price: $25.58
(7) In Stock
This Part Fits:
Catalog: A
Vehicle Engine
2005 GMC Sierra 3500 6.6L V8
Front Gates Thermostat - for 2005 GMC Sierra 3500 6.6L V8 - W0133-1694073 Click to Enlarge
Website Reviews
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Part Number: W0133-1694073
Brand: Gates
Notes: OE Type
Product Remark: w/ O-Ring
Position: Front
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$68.40
Our Price: $25.58
View Details
This Part Fits:
Catalog: A
Vehicle Engine
2005 GMC Sierra 3500 6.6L V8
Front AC Delco Thermostat - for 2001 GMC Sierra 3500 6.6L V8 - W0133-1694073 Click to Enlarge
Website Reviews
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Part Number: W0133-1694073
Brand: AC Delco
Notes: Genuine GM
Position: Front
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$68.40
Our Price: $40.58
(41) In Stock
This Part Fits:
Catalog: A
Vehicle Engine
2001 GMC Sierra 3500 6.6L V8
AC Delco Coolant Thermostat Kit - for 2006 GMC Sierra 3500 6.6L V8 LBZ VIN: D - 131-163 Click to Enlarge
Website Reviews
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Part Number: 131-163
Brand: AC Delco
Notes: GM Original Equipment -- New; INCLUDES GASKET; 185 DEG
  • Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature
  • GM-recommended replacement part for your GM vehicle's original factory component
  • Manufactured to GM OE specification for fit, form, and function
  • Offering the quality, reliability, and durability of GM OE
Condition: New
Opening Temperature (Deg. F): 185
Shipping Options: Ground
$39.43
(20) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2006 GMC Sierra 3500 6.6L V8 LBZ VIN: D
Rear Gates Thermostat - for 2001 GMC Sierra 3500 6.6L V8 - W0133-1694074 Click to Enlarge
Website Reviews
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Part Number: W0133-1694074
Brand: Gates
Notes: OE Type
Position: Rear
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$59.78
Our Price: $25.58
(7) In Stock
This Part Fits:
Catalog: A
Vehicle Engine
2001 GMC Sierra 3500 6.6L V8
Rear AC Delco Thermostat - for 2001 GMC Sierra 3500 6.6L V8 - W0133-1694074 Click to Enlarge
5 Stars
AC Delco W0133-1694074
Thermostat
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Part Number: W0133-1694074
Brand: AC Delco
Notes: Genuine GM
Position: Rear
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$59.78
Our Price: $35.58
(99) In Stock
This Part Fits:
Catalog: A
Vehicle Engine
2001 GMC Sierra 3500 6.6L V8
AC Delco Coolant Thermostat Kit - for 2006 GMC Sierra 3500 6.6L V8 LBZ VIN: D - 131-131 Click to Enlarge
Website Reviews
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Part Number: 131-131
Brand: AC Delco
Notes: GM Original Equipment -- New; 180 DEG
  • Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature
  • GM-recommended replacement part for your GM vehicle's original factory component
  • Manufactured to GM OE specification for fit, form, and function
  • Offering the quality, reliability, and durability of GM OE
Condition: New
Opening Temperature (Deg. F): 180
Shipping Options: Ground
$34.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2006 GMC Sierra 3500 6.6L V8 LBZ VIN: D
Front Gates Thermostat - for 2005 GMC Sierra 3500 6.6L V8 DIESEL - 33946 Click to Enlarge
Website Reviews
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Part Number: 33946
Brand: Gates
Notes: OE Type Thermostat -- 185 Degree; OE Temperature; Seal included
Position: Front
Condition: New
Design: Bottom By-Pass
Shipping Options: Ground
$27.43
(28) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2005 GMC Sierra 3500 6.6L V8 DIESEL
Front Gates Thermostat - for 2001 GMC Sierra 3500 6.6L V8 DIESEL - 33946 Click to Enlarge
Website Reviews
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Part Number: 33946
Brand: Gates
Notes: OE Type Thermostat -- 185 Degree; OE Temperature; Seal included
Position: Front
Condition: New
Design: Bottom By-Pass
Shipping Options: Ground
$27.43
(28) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2001 GMC Sierra 3500 6.6L V8 DIESEL
Rear Gates Thermostat - for 2002 GMC Sierra 3500 6.6L V8 DIESEL - 33947 Click to Enlarge
Website Reviews
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Part Number: 33947
Brand: Gates
Notes: OE Type Thermostat -- 180 Degree; OE Temperature; Seal included
Position: Rear
Condition: New
Design: Offset Reverse Poppet
Shipping Options: Ground
$29.43
(11) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2002 GMC Sierra 3500 6.6L V8 DIESEL
Front Gates Thermostat - for 2002 GMC Sierra 3500 6.6L V8 DIESEL - 33946 Click to Enlarge
Website Reviews
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Part Number: 33946
Brand: Gates
Notes: OE Type Thermostat -- 185 Degree; OE Temperature; Seal included
Position: Front
Condition: New
Design: Bottom By-Pass
Shipping Options: Ground
$27.43
(28) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2002 GMC Sierra 3500 6.6L V8 DIESEL
AC Delco Thermostat - for 2004 GMC Sierra 3500 8.1L V8 - W0133-2053521 Click to Enlarge
5 Stars
AC Delco W0133-2053521
Thermostat
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Part Number: W0133-2053521
Brand: AC Delco
Notes: Gold
Product Remark: 180F / 82C
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$12.84
Our Price: $7.58
(27) In Stock
This Part Fits:
Catalog: A
Vehicle Engine
2004 GMC Sierra 3500 8.1L V8
Stant Thermostat - for 2004 GMC Sierra 3500 - 13899 Click to Enlarge
5 Stars
Stant 13899
Thermostat
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Part Number: 13899
Brand: Stant
Notes: OE Type Thermostat -- Temperature 195 Degrees; Seal Included - Seal; OE Temperature
Condition: New
Temperature (F): 195 Degrees
Shipping Options: Ground
$7.18
(99) In Stock
This Part Fits:
Catalog: B
Vehicle
2004 GMC Sierra 3500
API Thermostat - for 2005 GMC Sierra 3500 8.1L V8 - 1601-291052 Click to Enlarge
Website Reviews
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Part Number: 18331-07344447
Brand: API
Notes: Engine Coolant Thermostat -- Standard; 180F; Includes seal; Alternate Temp
Condition: New
Shipping Options: Ground
$7.98
View Details
This Part Fits:
Catalog: P
Vehicle Engine
2005 GMC Sierra 3500 8.1L V8
Gates Thermostat - for 2006 GMC Sierra 3500 6.0L V8 GAS - 34702 Click to Enlarge
Website Reviews
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Part Number: 34702
Brand: Gates
Notes: Integrated Housing Thermostat -- Includes Housing; 187 Degree; OE Temperature; Seal included
Condition: New
Temperature (C): 86
Shipping Options: Ground
$39.08
View Details
This Part Fits:
Catalog: H
Vehicle Engine
2006 GMC Sierra 3500 6.0L V8 GAS
Motorad Thermostat - for 2006 GMC Sierra 3500 8.1L V8 - 267-195 Click to Enlarge
Website Reviews
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Part Number: 267-195
Brand: Motorad
Notes: Standard -- Temperature 195F; Includes seal; OE Specified Temperature
  • Meets or exceeds OEM standards
  • High grade stainless steel and copper construction
  • Consistent and precise response to cooling system needs
  • 100% tested and calibrated
  • Original equipment design for worry-free direct fit replacement
Condition: New
Prop 65: WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
Temperature (Degree): 195
Shipping Options: Ground
$7.73
(25) In Stock
This Part Fits:
Catalog: C
Vehicle Engine
2006 GMC Sierra 3500 8.1L V8
Front Gates Thermostat - for 2006 GMC Sierra 3500 6.6L V8 DIESEL - 33946 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 33946
Brand: Gates
Notes: OE Type Thermostat -- 185 Degree; OE Temperature; Seal included
Position: Front
Condition: New
Design: Bottom By-Pass
Shipping Options: Ground
$23.73
(21) In Stock
This Part Fits:
Catalog: T
Vehicle Engine
2006 GMC Sierra 3500 6.6L V8 DIESEL
Rear DIY Solutions Thermostat - for 2006 GMC Sierra 3500 6.6L V8 DIESEL - HVA02962 Click to Enlarge
Website Reviews
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Part Number: HVA02962
Brand: DIY Solutions
Notes: Engine Coolant Thermostat -- Rear; Turbo Diesel; V8 6.6L
Position: Rear
Condition: New
Temperature Rating: 180 Degree
Shipping Options: Free Ground Shipping
$53.95
with FREE Shipping
(20) In Stock
This Part Fits:
Catalog: Q
Vehicle Engine
2006 GMC Sierra 3500 6.6L V8 DIESEL
AC Delco Thermostat - for 2006 GMC Sierra 3500 8.1L V8 - 12T55D Click to Enlarge
5 Stars
AC Delco 12T55D
Thermostat
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Part Number: 12T55D
Brand: AC Delco
Notes: Professional -- New; Temperature 180F; Standard; Includes seal; Alternate Temp
  • Controls the flow of coolant through the radiator to help your vehicle's engine reach and maintain its optimal operating temperature
  • Manufactured to meet expectations for fit, form, and function
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
Condition: New
Shipping Options: Ground
$7.73
(23) In Stock
This Part Fits:
Catalog: N
Vehicle Engine
2006 GMC Sierra 3500 8.1L V8

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GMC Sierra 3500 Thermostat Reviews
5 of 5
Verified Customer
3/23/21 09:33 AM - USA

Good quality part, that comes with the rubber seal already installed. - Bob

- 2004 GMC Sierra 3500 Thermostat
5 of 5
Verified Customer
3/23/21 09:32 AM - USA

Original quality part, and it comes with the rubber seal. - Bob

- 2004 GMC Sierra 3500 Thermostat