HomeBelts and Cooling > Thermostat and HousingGates 33808 Engine Coolant Thermostat
Part #: 33808

Gates 33808 Engine Coolant Thermostat

OE Type Thermostat
⚙️ 83 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Type Thermostat
🚗Fitment: Buick, Cadillac, Pontiac, and Oldsmobile, Lucerne, DTS, STS, SRX, XLR, DeVille, Bonneville, Seville, Aurora, Eldorado, and Allante
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Reliable Engine Coolant Thermostat for Buick and Cadillac Models

The Gates OE Type Thermostat 33808 is engineered to maintain optimal engine temperature for select Buick, Cadillac, Oldsmobile, and Pontiac vehicles. Designed with durable steel, brass, and copper materials, this thermostat ensures consistent performance and longevity in your vehicle's cooling system.

  • OE Type Thermostat design for precise temperature control
  • Constructed from steel, brass, and copper for durability
  • Bottom by-pass design with a jiggle pin weep hole for efficient coolant flow
  • Sealing flange outside diameter of 2.12 inches and height between flanges of 2.2 inches
  • Start to open temperature at 180°F (82°C) for accurate engine temperature regulation
  • Includes one O-ring seal and one jiggle pin/check valve
  • Compatible with Buick Allante, Cadillac DeVille, Eldorado, SRX, and other models

About the Gates OE Type Thermostat Product Line

The Gates OE Type Thermostat line is designed to meet original equipment specifications, providing reliable engine temperature management. This product line focuses on delivering OE performance with precise opening temperatures and durable construction, ensuring compatibility and consistent operation across various vehicle makes and models.

Product Details and Specifications

The Gates 33808 thermostat features a bottom by-pass design that allows coolant to circulate efficiently even when the thermostat is closed, helping to prevent hot spots and improve engine warm-up times. The thermostat opens at 180°F (82°C), which is critical for maintaining optimal engine operating temperature. Its sealing flange measures 2.12 inches in diameter, with a height between flanges of 2.2 inches and an overall height of 3 inches. The unit includes one O-ring seal and a jiggle pin weep hole to allow air to escape, reducing the risk of air pockets in the cooling system. This thermostat does not include a gasket or installation tool.

Compatible Vehicles and Common Applications

  • Buick Allante, Aurora, Bonneville, Lucerne
  • Cadillac DeVille, DTS, Eldorado, Seville, SRX, STS, XLR
  • Oldsmobile models compatible with OE Type Thermostat specifications
  • Pontiac models requiring OE performance thermostats

Installation Notes and Tips

  • Ensure the cooling system is cool before removing the old thermostat
  • Check the sealing surface for debris or damage before installation
  • Use a new O-ring seal included with the thermostat for proper sealing
  • Follow vehicle-specific torque specifications when tightening the thermostat housing
  • Bleed the cooling system to remove air pockets after installation

Quality Assurance and Warranty

The Gates OE Type Thermostat 33808 is manufactured to meet OE performance standards, ensuring reliable operation and durability. While specific warranty details are not provided, Gates products typically adhere to strict quality control processes to maintain consistent performance in automotive cooling systems.

BrandGates
Part Number33808
PositionOE Type Thermostat
.8
1
1
1.37
By-Pass Flange Diameter (in)1.37
DesignBottom By-Pass
DesignBottom By-Pass
Gasket Quantity0
Height3
Height Between Flanges2.2
Height from Flange (in).8
Includes Installation ToolNo
Installation Tool IncludedNo
Jiggle Pin Weep HoleYes
MaterialSteel, Brass, Copper
MaterialSteel, Brass, Copper
Number of Gaskets0
Number of Jiggle Pins/Check Valves1
Number of Seals1
OE Comparison RatingOE Performance
Seal TypeO-Ring
Sealing Flange Outside Diameter2.12
Start to Open Temperature82
Start to Open Temperature180
TypeOE Type Thermostat

This part fits 83 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2011BuickLucerne4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2011CadillacDTS4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2010BuickLucerne4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2010CadillacDTS4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2010CadillacSTS4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2009BuickLucerne4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2009CadillacDTS4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2009CadillacSRX4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2009CadillacSTS4.4LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2009CadillacSTS4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2009CadillacXLR4.4LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2009CadillacXLR4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2008BuickLucerne4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2008CadillacDTS4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2008CadillacSRX4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2008CadillacSTS4.4LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2008CadillacSTS4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2008CadillacXLR4.4LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2008CadillacXLR4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2007BuickLucerne4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2007CadillacDTS4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2007CadillacSRX4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2007CadillacSTS4.4LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2007CadillacSTS4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2007CadillacXLR4.4LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2007CadillacXLR4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2006BuickLucerne4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2006CadillacDTS4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2006CadillacSRX4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2006CadillacSTS4.4LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2006CadillacSTS4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2006CadillacXLR4.4LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2006CadillacXLR4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2005CadillacDeVille4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2005CadillacSRX4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2005CadillacSTS4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2005CadillacXLR4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2005PontiacBonneville4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2004CadillacDeVille4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2004CadillacSeville4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2004CadillacSRX4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2004CadillacXLR4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2004PontiacBonneville4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2003CadillacDeVille4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2003CadillacSeville4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2003OldsmobileAurora4.0LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2002CadillacDeVille4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2002CadillacEldorado4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2002CadillacSeville4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2002OldsmobileAurora4.0LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2001CadillacDeVille4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2001CadillacEldorado4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2001CadillacSeville4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2001OldsmobileAurora4.0LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2000CadillacDeVille4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2000CadillacEldorado4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
2000CadillacSeville4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1999CadillacDeVille4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1999CadillacEldorado4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1999CadillacSeville4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1999OldsmobileAurora4.0LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1998CadillacDeVille4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1998CadillacEldorado4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1998CadillacSeville4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1998OldsmobileAurora4.0LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1997CadillacDeVille4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1997CadillacEldorado4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1997CadillacSeville4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1997OldsmobileAurora4.0LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1996CadillacDeVille4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1996CadillacEldorado4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1996CadillacSeville4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1996OldsmobileAurora4.0LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1995CadillacDeVille4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1995CadillacEldorado4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1995CadillacSeville4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1995OldsmobileAurora4.0LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1994CadillacDeVille4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1994CadillacEldorado4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1994CadillacSeville4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1993CadillacAllante4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1993CadillacEldorado4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat
1993CadillacSeville4.6LV8GASN/A180 Degree; OE Temperature; Seal included; OE Type Thermostat

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1255478412555811125598071260002312TH11D131-128131-66131-86135142283283833808339-18035228353140735391544228462287339-180

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.