HomeBelts and Cooling > Thermostat and HousingGates 34833 Engine Coolant Thermostat
Part #: 34833

Gates 34833 Engine Coolant Thermostat

Integrated Housing Thermostat
⚙️ 8 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Integrated Housing Thermostat
🚗Fitment: Mercedes-Benz, C250 and SLK250
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Gates Integrated Housing Thermostat 34833

The Gates Integrated Housing Thermostat 34833 is engineered for precise engine temperature regulation in select Mercedes-Benz vehicles. Designed specifically for the C250 and SLK250 models, this thermostat ensures optimal coolant flow and engine performance.

  • Integrated housing thermostat design for streamlined installation
  • Start to open temperature at 103°C (217°F) for accurate thermal control
  • Five bolt holes for secure mounting
  • Includes one jiggle pin/check valve to prevent air lock
  • OE exact fit and quality for Mercedes-Benz C250 and SLK250
  • Outlet inside diameters of 1.728 inches and 0.985 inches for proper coolant flow
  • Outlet outside diameter of 0.721 inches
  • Single seal included to maintain system integrity

Detailed Product Description

The Gates Integrated Housing Thermostat 34833 combines the thermostat and housing into a single unit, simplifying the cooling system assembly for Mercedes-Benz C250 and SLK250 models. This integrated design reduces potential leak points and improves reliability. The thermostat opens at 103°C (217°F), allowing coolant to circulate once the engine reaches optimal operating temperature. Featuring five bolt holes, the housing ensures a secure and stable fit. The inclusion of a jiggle pin/check valve helps eliminate air pockets within the cooling system, promoting consistent coolant flow. With outlet inside diameters of 1.728 inches and 0.985 inches, and an outside diameter of 0.721 inches, this part matches OEM specifications precisely. The single seal maintains a tight connection between components, preventing coolant leaks.

Application and Common Issues Addressed

  • Regulates engine temperature to prevent overheating in Mercedes-Benz C250 and SLK250
  • Replaces faulty or stuck thermostats causing poor engine performance
  • Eliminates coolant leaks from worn or damaged thermostat housings
  • Prevents air lock in the cooling system with integrated jiggle pin/check valve
  • Restores proper coolant flow for efficient engine operation

Installation Notes and Tips

When installing the Gates Integrated Housing Thermostat 34833, ensure the engine is cool before removal to avoid injury. Verify the gasket surface is clean and free of debris to ensure a proper seal. Tighten the five mounting bolts evenly to the manufacturer’s torque specifications to prevent warping or leaks. Since this thermostat is non-electric, no wiring connections are required. Check coolant levels and bleed the cooling system after installation to remove trapped air.

Quality Assurance and Warranty

This Gates thermostat and housing assembly meets OE exact specifications for Mercedes-Benz C250 and SLK250 models, ensuring reliable performance and fitment. The part number 34833 is manufactured under strict quality controls to maintain durability and thermal accuracy. While specific warranty details are not provided, Gates products typically adhere to industry standards for automotive replacement parts.

BrandGates
Part Number34833
PositionIntegrated Housing Thermostat
Outlet Outside Diameter.721
Bolt Hole Quantity5
TypeIntegrated housing thermostat
Jiggle Pin Weep HoleNo
Start to Open Temperature103
Start to Open Temperature217
Outlet Inside Diameter.985
Outlet Inside Diameter1.728
ElectricNo
98411
Check ValveYes
ElectricNo
Jiggle Pin/Check ValveYes
Number of Bolt Holes5
Number of Jiggle Pins/Check Valves1
Number of Seals1
OE Comparison RatingOe exact
OE ExactYes
Outlet Inside Diameter 1 (in)1.728
Outlet Inside Diameter 2 (in).985
Outlet Inside Diameter 3 (in).985
Outlet Outside Diameter 2 (in).721
Outlet Outside Diameter 3 (in).721
Temperature (C)103

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2015Mercedes-BenzC2501.8LL4GASN/A217 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2015Mercedes-BenzSLK2501.8LL4GASN/A217 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2014Mercedes-BenzC2501.8LL4GASN/A217 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2014Mercedes-BenzSLK2501.8LL4GASN/A217 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2013Mercedes-BenzC2501.8LL4GASN/A217 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2013Mercedes-BenzSLK2501.8LL4GASN/A217 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2012Mercedes-BenzC2501.8LL4GASN/A217 Degree; OE Temperature; Seal included; Integrated Housing Thermostat
2012Mercedes-BenzSLK2501.8LL4GASN/A217 Degree; OE Temperature; Seal included; Integrated Housing 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:

2712000315348335007257882788-2177881786144902-5177HT217-887

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