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GMC S15 Thermostat Reviews
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Shop GMC S15 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 S15 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 S15: AC DelcoMotoradGatesStantAPIJet Chips

Thermostats available for the following GMC S15 years: 1990, 1989, 1988, 1987, 1986, 1985, 1984, 90, 89, 88, 87, 86, 85, 84. This part is also sometimes called GMC S15 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, Safari, Savana 3500, Terrain, Sierra 3500, K2500, C3500, W4500 Forward, Savana 1500, K1500 Suburban, C6000 Topkick, C2500, Envoy XUV, W3500 Forward, Sierra 1500 HD, Savana 2500, Sierra 2500 HD Classic, Yukon XL 2500, K3500, C3500HD, Sierra 3500 HD, C7000 Topkick, G2500, C6000, W5500 Forward, Typhoon, C4500 Topkick, C15/C1500 Pickup and C1500 Suburban.

Select your S15 year

Review Fitment Notes
Showing 20 of 720 Results
AC Delco Thermostat - for 1986 GMC S15 2.8L V6 - W0133-1821986 Click to Enlarge
Website Reviews
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Part Number: W0133-1821986
Brand: AC Delco
Notes: Gold - w/ 195°F (Used with New Replaced Manifold #10087571)
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$25.92
Our Price: $17.58
(11) In Stock
This Part Fits:
Catalog: A
Vehicle Engine
1986 GMC S15 2.8L V6
Motorad Thermostat - for 1989 GMC S15 2.5L 4 Cyl - 7200-180 Click to Enlarge
Website Reviews
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Part Number: 7200-180
Brand: Motorad
Notes: Fail-Safe -- The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating.; Temperature 180F; Alternate Temperature Option
  • Exclusive, patented design
  • 100% tested and calibrated
  • Manufactured with the highest quality materials from an OE supplier.
  • Locking technology prevents costly engine damage
  • Meets or exceeds OEM standards
  • Manufactured with the highest quality materials from an OE supplier
Condition: New
Temperature (Degree): 180
Shipping Options: Ground
$13.18
(17) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
1989 GMC S15 2.5L 4 Cyl
Gates Thermostat - for 1986 GMC S15 2.5L 4 Cyl GAS - 33188S Click to Enlarge
5 Stars
Gates 33188S
Thermostat
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Part Number: 33188S
Brand: Gates
Notes: Premium Thermostat -- 180 Degree; Alternate Temperature
Condition: New
Design: Bottom By-Pass
Shipping Options: Ground
$10.18
(3) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
1986 GMC S15 2.5L 4 Cyl GAS
Gates Thermostat - for 1985 GMC S15 2.5L 4 Cyl GAS - 33188S Click to Enlarge
5 Stars
Gates 33188S
Thermostat
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Part Number: 33188S
Brand: Gates
Notes: Premium Thermostat -- 180 Degree; Alternate Temperature
Condition: New
Design: Bottom By-Pass
Shipping Options: Ground
$10.18
(3) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
1985 GMC S15 2.5L 4 Cyl GAS
AC Delco Thermostat - for 1988 GMC S15 4.3L V6 - W0133-2051928 Click to Enlarge
Website Reviews
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Part Number: W0133-2051928
Brand: AC Delco
Notes: Gold (Professional)
Product Remark: 180F
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$17.06
Our Price: $7.58
View Details
This Part Fits:
Catalog: A
Vehicle Engine
1988 GMC S15 4.3L V6
Stant Thermostat - for 1982 GMC S15 2.8L V6 - 45348 Click to Enlarge
Website Reviews
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Part Number: 45348
Brand: Stant
Notes: Superstat Thermostat -- Temperature 180 Degrees; Alternate Temperature
Condition: New
Temperature (F): 180 Degrees
Shipping Options: Ground
$8.18
View Details
This Part Fits:
Catalog: B
Vehicle Engine
1982 GMC S15 2.8L V6
Gates Thermostat - for 1986 GMC S15 2.8L V6 - W0133-1638896 Click to Enlarge
Website Reviews
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Part Number: W0133-1638896
Brand: Gates
Notes: OE Type - w/ 195°F (Used with New Replaced Manifold #10087571)
Product Remark: (90°C/195°F)
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$32.62
Our Price: $6.58
(11) In Stock
This Part Fits:
Catalog: A
Vehicle Engine
1986 GMC S15 2.8L V6
Motorad Thermostat - for 1986 GMC S15 2.8L V6 - 2002-192 Click to Enlarge
Website Reviews
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Part Number: 2002-192
Brand: Motorad
Notes: High Flow -- Temperature 192F; OE Specified Temperature
  • Larger opening for increased coolant flow
  • High grade stainless steel and copper construction
  • Consistent and precise response to cooling system needs
  • 100% tested and calibrated
  • Increased strength and durability
  • Meets or exceeds OEM standards
Condition: New
Temperature (Degree): 192
Shipping Options: Ground
$6.18
(1) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
1986 GMC S15 2.8L V6
Stant Thermostat - for 1985 GMC S15 2.5L 4 Cyl - 13398 Click to Enlarge
Website Reviews
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Part Number: 13398
Brand: Stant
Notes: OE Type Thermostat -- Temperature 180 Degrees; Alternate Temperature
Condition: New
Temperature (F): 180 Degrees
Shipping Options: Ground
$7.18
View Details
This Part Fits:
Catalog: B
Vehicle Engine
1985 GMC S15 2.5L 4 Cyl
Gates Thermostat - for 1987 GMC S15 2.5L 4 Cyl GAS - 33006 Click to Enlarge
Website Reviews
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Part Number: 33006
Brand: Gates
Notes: OE Type Thermostat -- 160 Degree; Alternate Temperature
Condition: New
Design: Reverse Poppet
Color: Silver
Shipping Options: Ground
$7.18
(23) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
1987 GMC S15 2.5L 4 Cyl GAS
Gates Thermostat - for 1988 GMC S15 2.8L V6 - W0133-1638896 Click to Enlarge
Website Reviews
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Part Number: W0133-1638896
Brand: Gates
Notes: OE Type - w/ 195°F (Used with New Replaced Manifold #10087571)
Product Remark: (90°C/195°F)
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$32.62
Our Price: $6.58
(11) In Stock
This Part Fits:
Catalog: A
Vehicle Engine
1988 GMC S15 2.8L V6
Gates Thermostat - for 1989 GMC S15 2.8L V6 - W0133-1638896 Click to Enlarge
Website Reviews
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Part Number: W0133-1638896
Brand: Gates
Notes: OE Type
Product Remark: (90°C/195°F)
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$32.62
Our Price: $6.58
(11) In Stock
This Part Fits:
Catalog: A
Vehicle Engine
1989 GMC S15 2.8L V6
Stant Thermostat - for 1984 GMC S15 1.9L 4 Cyl - 13006 Click to Enlarge
4.3 Stars
Stant 13006
Thermostat
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Part Number: 13006
Brand: Stant
Notes: Economy Thermostat -- Temperature 160 Degrees; Alternate Temperature
Condition: New
Temperature (F): 160 Degrees
Shipping Options: Ground
$5.18
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
1984 GMC S15 1.9L 4 Cyl
Stant Thermostat - for 1989 GMC S15 2.5L 4 Cyl - 13009 Click to Enlarge
5 Stars
Stant 13009
Thermostat
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Part Number: 13009
Brand: Stant
Notes: Economy Thermostat -- Temperature 195 Degrees; OE Temperature
Condition: New
Temperature (F): 195 Degrees
Shipping Options: Ground
$5.18
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
1989 GMC S15 2.5L 4 Cyl
API Thermostat - for 1990 GMC S15 2.8L V6 - 1601-291021 Click to Enlarge
Website Reviews
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Part Number: 4201-07768205
Brand: API
Notes: Engine Coolant Thermostat -- High Flow; 195F
Condition: New
Shipping Options: Ground
$8.98
(3) In Stock
This Part Fits:
Catalog: P
Vehicle Engine
1990 GMC S15 2.8L V6
Jet Chips Thermostat - for 1990 GMC S15 2.8L V6 - 10115 Click to Enlarge
Website Reviews
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Part Number: 10115
Brand: Jet Chips
Notes: Low Temp Stat Thermostat -- 180 deg
  • Allows Engine To Operate At Peak Horsepower
  • Constructed Of Stainless Steel
Condition: New
Temperature: 180°
Shipping Options: Ground
Additional Information:
$15.71
View Details
This Part Fits:
Catalog: F
Vehicle Engine
1990 GMC S15 2.8L V6
Stant Thermostat - for 1990 GMC S15 2.8L V6 - 13846 Click to Enlarge
5 Stars
Stant 13846
Thermostat
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Part Number: 13846
Brand: Stant
Notes: Heavy-Duty Thermostat -- Temperature 160 Degrees; OE Temperature
Condition: New
Temperature (F): 160 Degrees
Shipping Options: Ground
$5.83
View Details
This Part Fits:
Catalog: H
Vehicle Engine
1990 GMC S15 2.8L V6
Jet Chips Thermostat - for 1989 GMC S15 2.8L V6 - 10137 Click to Enlarge
Website Reviews
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Part Number: 10137
Brand: Jet Chips
Notes: Low Temp Stat Thermostat -- 180 deg
  • Allows Engine To Operate At Peak Horsepower
  • Constructed Of Stainless Steel
Condition: New
Temperature: 180°
Shipping Options: Ground
$15.71
(1) In Stock
This Part Fits:
Catalog: C
Vehicle Engine
1989 GMC S15 2.8L V6
Gates Thermostat - for 1990 GMC S15 2.5L 4 Cyl GAS - 33009S Click to Enlarge
Website Reviews
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Part Number: 33009S
Brand: Gates
Notes: Premium Thermostat -- 195 Degree; OE Temperature
Condition: New
Design: Reverse Poppet
Shipping Options: Ground
$7.73
(45) In Stock
This Part Fits:
Catalog: T
Vehicle Engine
1990 GMC S15 2.5L 4 Cyl GAS
Gates Thermostat - for 1986 GMC S15 2.5L 4 Cyl GAS - 33188S Click to Enlarge
5 Stars
Gates 33188S
Thermostat
Loading Reviews...
Part Number: 33188S
Brand: Gates
Notes: Premium Thermostat -- 180 Degree; Alternate Temperature
Condition: New
Design: Bottom By-Pass
Shipping Options: Ground
$9.73
(3) In Stock
This Part Fits:
Catalog: N
Vehicle Engine
1986 GMC S15 2.5L 4 Cyl GAS

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