HomeBelts and Cooling > Thermostat and HousingMotorad 630-194 Engine Coolant Thermostat
Part #: 630-194

Motorad 630-194 Engine Coolant Thermostat

Standard
⚙️ 4 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$34.51Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Standard
🚗Fitment: Mercedes-Benz, C230 and C200
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Engine Coolant Thermostat for Mercedes-Benz C200 and C230

The Motorad Standard 630-194 engine coolant thermostat is designed to maintain optimal engine temperature for Mercedes-Benz C200 and C230 models. Engineered with precision, this thermostat ensures efficient coolant flow and temperature regulation to support engine performance and longevity.

  • Sealing flange outside diameter: 1.89 inches
  • Height between flanges: 2.00 inches
  • Overall height: 2.85 inches
  • Standard type thermostat with jiggle pin weep hole
  • Start to open temperature: 194°F
  • Includes two rubber O-ring seals and gasket
  • Flange thickness: 0.05 inches
  • Compatible with Mercedes-Benz C200 and C230

Detailed Features of Motorad Standard 630-194 Thermostat

This Motorad Standard engine coolant thermostat (part number 630-194) is built to precise specifications, including a sealing flange outside diameter of 1.89 inches and a height between flanges of 2.00 inches. The thermostat opens at 194 degrees Fahrenheit, ensuring the engine reaches and maintains the correct operating temperature. It features a jiggle pin weep hole to allow air to escape from the cooling system, preventing air locks. The included rubber O-ring seals and gasket provide a secure, leak-free installation. The flange thickness of 0.05 inches contributes to a proper fit and seal within the cooling system housing.

About the Motorad Standard Product Line

The Motorad Standard line offers dependable replacement parts designed to meet original equipment specifications. This product line focuses on delivering reliable performance and fitment for a range of vehicles, including Mercedes-Benz models. The Standard line balances quality and value, making it suitable for routine maintenance and repairs.

Common Applications and Issues Addressed

  • Regulates engine temperature to prevent overheating
  • Ensures proper coolant flow within the cooling system
  • Prevents coolant leaks with included rubber seals and gasket
  • Eliminates air pockets in the cooling system via jiggle pin weep hole
  • Maintains engine efficiency and reduces wear caused by temperature fluctuations

Installation Notes and Tips

Installation of the Motorad Standard 630-194 thermostat requires removal of the existing thermostat and housing. Ensure the sealing surfaces are clean and free of debris before installing the new thermostat. The included rubber O-ring seals and gasket should be properly seated to prevent leaks. No special installation tools are included, so standard hand tools are sufficient. Verify the thermostat orientation matches the original part to ensure correct operation.

Quality Assurance and Warranty

Motorad Standard thermostats are manufactured to meet strict quality standards and original equipment specifications. This part includes two rubber seals and a gasket to ensure a reliable seal and long service life. While specific warranty details are not provided, Motorad products typically adhere to industry quality controls to support dependable performance in Mercedes-Benz C200 and C230 vehicles.

BrandMotorad
Part Number630-194
PositionStandard
Flange Thickness0.05 in
Gasket Or Seal IncludedYes
Gasket/Seal MaterialRubber
Gasket/Seal MaterialRubber
Height2.85
Height Between Flanges2.00
Installation Tool IncludedNo
Jiggle Pin Weep HoleYes
Number Of Seals2
Seal TypeO-Ring
Sealing Flange Outside Diameter1.89
Start to Open Temperature194
Temperature194 Deg. F
Temperature (Degree)194
TypeStandard

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005Mercedes-BenzC2301.8LL4N/ATemperature 194F; Includes thermostat and seal; OE Specified Temperature; Standard
2004Mercedes-BenzC2301.8LL4N/ATemperature 194F; Includes thermostat and seal; OE Specified Temperature; Standard
2003Mercedes-BenzC2001.8LL4N/ATemperature 194F; Includes thermostat and seal; OE Specified Temperature; Standard
2003Mercedes-BenzC2301.8LL4N/ATemperature 194F; Includes thermostat and seal; OE Specified Temperature; Standard

* 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:

194-0362712000015340564882956309630-194630949630194P63094TX10690D

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