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GMC Sierra 2500 HD Replacement Thermostat Information
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 2500 HD 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. They are available for the following GMC Sierra 2500 HD years: 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 09, 08, 07, 06, 05, 04, 03, 02, 01. This part is also sometimes called GMC Sierra 2500 HD Thermostats. We stock thermostat parts for most GMC models including Sierra 1500, Envoy, Yukon, Canyon, Yukon XL 1500, Acadia, Envoy XL, Sonoma, Jimmy, C1500, K1500, Safari, Savana 3500, K2500, Sierra 3500, C3500, Terrain, Sierra 1500 HD, Savana 1500, W4500 Forward, S15, K1500 Suburban, Sierra 2500 HD Classic, Savana 2500, Envoy XUV, W3500 Forward, Yukon XL 2500, K3500, C2500, C6000 Topkick, Sierra 2500, C7000 Topkick, C3500HD, G2500, W5500 Forward, C15/C1500 Pickup, C1500 Suburban, C5500 Topkick, 1000 Series and Sierra 3500 HD.
We stock these Thermostat brands for the GMC Sierra 2500 HD: Replacement, Stant, AC Delco, Gates, Mishimoto, API and DIY Solutions.
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Review Fitment Notes to Ensure Proper Fit
 Click to Enlarge 5 Stars
Replacement 121-165
Thermostat Assembly Close
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Our List Price: $17.95
with FREE Shipping
Product SKU: 121-165
Product Note: Engine Coolant Thermostat / Water Outlet Assembly
Important Product Info: Includes Thermostat and Housing.
Condition: New
Shipping Options:
Free Ground Shipping
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Click to Enlarge (1 Reviews) 5 Stars
Stant 14738
Thermostat Close
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Our List Price: $12.18
Product SKU: 14738
Product Note: OE Type Thermostat -- Temperature 180 Degrees; Seal Included Seal Included; OE Temperature; This part is also available in the Engine Coolant Thermostat Kit 121KT, which contains 10248 (Radiator Cap), 14728 (Engine Coolant Thermostat) and 74040 (Engine Coolant Temperature Sensor)
Temperature (F) 180 Degrees
Position of Product: Rear
Condition: New
Shipping Options:
Ground
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 Click to Enlarge (1 Reviews) 5 Stars
Stant 14728
Thermostat Close
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Our List Price: $14.18
Product SKU: 14728
Product Note: OE Type Thermostat -- Temperature 185 Degrees; Seal Included Seal Included; OE Temperature; This part is also available in the Engine Coolant Thermostat Kit 121KT, which contains 10248 (Radiator Cap), 14738 (Engine Coolant Thermostat) and 74040 (Engine Coolant Temperature Sensor)
Temperature (F) 185 Degrees
Position of Product: Front
Condition: New
Shipping Options:
Ground
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Click to Enlarge (1 Reviews) 5 Stars
Stant 14738
Thermostat Close
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Our List Price: $12.18
Product SKU: 14738
Product Note: OE Type Thermostat -- Temperature 180 Degrees; Seal Included Seal Included; OE Temperature; This part is also available in the Engine Coolant Thermostat Kit 121KT, which contains 10248 (Radiator Cap), 14728 (Engine Coolant Thermostat) and 74040 (Engine Coolant Temperature Sensor)
Temperature (F) 180 Degrees
Position of Product: Rear
Condition: New
Shipping Options:
Ground
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Click to Enlarge (1 Reviews) 5 Stars
Stant 14728
Thermostat Close
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Our List Price: $14.18
Product SKU: 14728
Product Note: OE Type Thermostat -- Temperature 185 Degrees; Seal Included Seal Included; OE Temperature; This part is also available in the Engine Coolant Thermostat Kit 121KT, which contains 10248 (Radiator Cap), 14738 (Engine Coolant Thermostat) and 74040 (Engine Coolant Temperature Sensor)
Temperature (F) 185 Degrees
Position of Product: Front
Condition: New
Shipping Options:
Ground
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Our List Price: $21.18
Product SKU: 12T99D
Product Note: Professional -- New; Temperature 185F; Includes seal; OEM Recommended Temp; Standard
Position of Product: Front
Condition: New
Shipping Options:
Ground
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Product List Price: $68.40
Our List Price: $40.58
Product SKU: W0133-1694073
Product Note: Genuine GM
Position of Product: Front
Condition: New
Made By: OEM
(Original Equipment Manufacturer) - a replacement part made by the manufacturer of the original part. Shipping Options:
Ground, Overnight, 2 Day
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Product List Price: $68.40
Our List Price: $40.58
Product SKU: W0133-1694073
Product Note: Genuine GM
Position of Product: Front
Condition: New
Made By: OEM
(Original Equipment Manufacturer) - a replacement part made by the manufacturer of the original part. Shipping Options:
Ground, Overnight, 2 Day
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Our List Price: $39.43
Product SKU: 131-163
Product Note: GM Original Equipment -- New; With GASKET, FRONT, 185 DEG; INCLUDES GASKET
Condition: New
Shipping Options:
Ground
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Product List Price: $59.78
Our List Price: $25.58
Product SKU: W0133-1694074
Product Note: OE Type
Position of Product: Rear
Condition: New
Shipping Options:
Ground, Overnight, 2 Day
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 Click to Enlarge (1 Reviews) 5 Stars
AC Delco W0133-1694074
Thermostat Close
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Product List Price: $59.78
Our List Price: $35.58
Product SKU: W0133-1694074
Product Note: Genuine GM
Position of Product: Rear
Condition: New
Made By: OEM
(Original Equipment Manufacturer) - a replacement part made by the manufacturer of the original part. Shipping Options:
Ground, Overnight, 2 Day
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Click to Enlarge (1 Reviews) 5 Stars
AC Delco W0133-1694074
Thermostat Close
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Product List Price: $59.78
Our List Price: $35.58
Product SKU: W0133-1694074
Product Note: Genuine GM
Position of Product: Rear
Condition: New
Made By: OEM
(Original Equipment Manufacturer) - a replacement part made by the manufacturer of the original part. Shipping Options:
Ground, Overnight, 2 Day
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Product List Price: $68.40
Our List Price: $25.58
Product SKU: W0133-1694073
Product Note: OE Type
Important Product Info: w/ O-Ring
Position of Product: Front
Condition: New
Shipping Options:
Ground, Overnight, 2 Day
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Our List Price: $34.43
Product SKU: 131-131
Product Note: GM Original Equipment -- New; REAR, 180 DEG
Condition: New
Shipping Options:
Ground
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 Click to Enlarge (6 Reviews) 5 Stars
Stant 14948
Thermostat Close
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Our List Price: $9.18
Product SKU: 14948
Product Note: Heavy-Duty Thermostat -- Temperature 186 Degrees; Seal Included Seal Included; With GM Replacement Water Pump; Excludes Housing; OE Temperature
Temperature (F) 186 Degrees
Condition: New
Shipping Options:
Ground
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Click to Enlarge (1 Reviews) 5 Stars
Stant 14738
Thermostat Close
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Our List Price: $12.18
Product SKU: 14738
Product Note: OE Type Thermostat -- Temperature 180 Degrees; Seal Included Seal Included; OE Temperature; This part is also available in the Engine Coolant Thermostat Kit 121KT, which contains 10248 (Radiator Cap), 14728 (Engine Coolant Thermostat) and 74040 (Engine Coolant Temperature Sensor)
Temperature (F) 180 Degrees
Position of Product: Rear
Condition: New
Shipping Options:
Ground
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Our List Price: $49.95
Product SKU: MMTS-VET-05
Product Note: Engine Coolant Thermostat
Condition: New
Shipping Options:
Ground
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Click to Enlarge (1 Reviews) 5 Stars
Stant 14738
Thermostat Close
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Our List Price: $10.83
Product SKU: 14738
Product Note: OE Type Thermostat -- Temperature 180 Degrees; Seal Included Seal Included; OE Temperature; Rear
Temperature (F) 180 Degrees
Condition: New
Shipping Options:
Ground
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Our List Price: $24.73
Product SKU: 33947
Product Note: OE Type Thermostat -- 180 Degree; OE Temperature; Seal included
Design Offset Reverse Poppet
Position of Product: Rear
Condition: New
Shipping Options:
Ground
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Our List Price: $32.98
Product SKU: 131-131
Product Note: GM Original Equipment -- New; 180 DEG
Condition: New
Shipping Options:
Ground
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Our List Price: $26.98
Product SKU: 143869-07524294
Product Note: Engine Coolant Thermostat -- Standard; 187F; Includes seal; OEM Recommended Temp
Condition: New
Shipping Options:
Ground
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Our List Price: $53.95
with FREE Shipping
Product SKU: HVA02962
Product Note: Engine Coolant Thermostat -- Rear; Turbo Diesel; V8 6.6L
Temperature Rating 180 Degree
Position of Product: Rear
Condition: New
Shipping Options:
Free Ground Shipping
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 Click to Enlarge 4 Stars
Gates 33963
Thermostat Close
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Our List Price: $9.73
Product SKU: 33963
Product Note: Heavy-Duty Thermostat -- Excludes Housing; 186 Degree; OE Temperature; Seal included
Design Bottom By-Pass
Condition: New
Shipping Options:
Ground
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Some of our Customer Reviews
Very Satisfied
Reviewer: AZ Desert Rat
Perfect fit, excellent quality, good packaging, came with appropriate seal. Very satisfied!
2001 GMC Sierra 2500 HD Thermostat
Very Satisfied
Reviewer: Robert Lee
This product is a very good product with a low price. Delivery was good also short wait for delivery.
2003 GMC Sierra 2500 HD Thermostat Assembly
Very Satisfied
Reviewer: Will
New thermostat fits as it should! No gasket is given in the kit except for the one around the thermostat itself so my local mechanic told be to use a little RTV around the bolts and the two mating surfaces.
2005 GMC Sierra 2500 HD Thermostat Assembly
