HomeBelts and Cooling > Radiators, Coolers and Related ComponentsDorman 603-284 Engine Coolant Reservoir - Front
Part #: 603-284

Dorman 603-284 Engine Coolant Reservoir - Front

Front
⚙️ 59 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mercedes-Benz, CLK280, CLK350, CLK500, CLK550, CLK63 AMG, C230, C280, C350, C55 AMG, CLK55 AMG, C240, C320, CLK320, C200, and C32 AMG
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Overview of Dorman Engine Coolant Reservoir for Mercedes-Benz

The Dorman 603-284 engine coolant reservoir is designed specifically for select Mercedes-Benz models, including the C32 AMG, C55 AMG, C200, C230, C240, C280, C320, C350, CLK55 AMG, CLK63 AMG, CLK280, CLK320, CLK350, CLK500, and CLK550. This replacement reservoir is made from durable plastic and comes with a cap and mounting brackets to ensure a secure fit.

  • Constructed from durable plastic material for long-lasting use
  • Includes one mounting bracket and one mounting hole for easy installation
  • Comes with a cap included, designed for non-pressurized systems
  • Color: black and white for easy fluid level visibility
  • Compatible with multiple Mercedes-Benz AMG and standard models

Detailed Product Description

The Dorman 603-284 engine coolant reservoir is engineered to meet the specifications of various Mercedes-Benz vehicles, providing a reliable solution for coolant storage and overflow management. Its plastic construction offers resistance to corrosion and heat, while the included cap ensures proper sealing without pressurization. The black and white color scheme allows for quick visual checks of coolant levels. This reservoir includes one mounting hole and comes with mounting brackets, facilitating a straightforward replacement process without the need for additional hardware.

Common Applications and Problem Resolution

  • Replacement for cracked or leaking coolant reservoirs
  • Solves coolant overflow and leakage issues
  • Prevents engine overheating caused by coolant loss
  • Restores proper coolant level monitoring
  • Addresses reservoir cap failure or loss

Installation Notes and Tips

Installation of the Dorman 603-284 reservoir requires removal of the old reservoir and securing the new unit using the included mounting brackets and single mounting hole. Since mounting hardware is not included, ensure you have the necessary bolts or screws from the original assembly. The included cap should be installed securely to maintain proper coolant containment. Always check for leaks after installation and refill the coolant to the recommended level for your specific Mercedes-Benz model.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards, ensuring compatibility and durability. The 603-284 engine coolant reservoir undergoes quality inspections to provide reliable performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official warranty policy for exact terms.

BrandDorman
Part Number603-284
Cap IncludedYes
Cap TypeYes
ColorBlack/White
MaterialPlastic
Mounting Brackets IncludedYes
Mounting Hardware IncludedNo
Mounting Hole Quantity1
Package Contents1 Coolant Reservoir; 1 Cap
PressurizedNo

This part fits 59 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
2009Mercedes-BenzCLK280Front
2009Mercedes-BenzCLK350Front
2009Mercedes-BenzCLK500Front
2009Mercedes-BenzCLK550Front
2009Mercedes-BenzCLK63 AMGFront
2008Mercedes-BenzCLK280Front
2008Mercedes-BenzCLK350Front
2008Mercedes-BenzCLK500Front
2008Mercedes-BenzCLK550Front
2008Mercedes-BenzCLK63 AMGFront
2007Mercedes-BenzC230Front
2007Mercedes-BenzC280Front
2007Mercedes-BenzC350Front
2007Mercedes-BenzC55 AMGFront
2007Mercedes-BenzCLK280Front
2007Mercedes-BenzCLK350Front
2007Mercedes-BenzCLK500Front
2007Mercedes-BenzCLK550Front
2007Mercedes-BenzCLK63 AMGFront
2006Mercedes-BenzC230Front
2006Mercedes-BenzC280Front
2006Mercedes-BenzC350Front
2006Mercedes-BenzC55 AMGFront
2006Mercedes-BenzCLK350Front
2006Mercedes-BenzCLK500Front
2006Mercedes-BenzCLK55 AMGFront
2005Mercedes-BenzC230Front
2005Mercedes-BenzC240Front
2005Mercedes-BenzC320Front
2005Mercedes-BenzC55 AMGFront
2005Mercedes-BenzCLK320Front
2005Mercedes-BenzCLK500Front
2005Mercedes-BenzCLK55 AMGFront
2004Mercedes-BenzC200Front
2004Mercedes-BenzC230Front
2004Mercedes-BenzC240Front
2004Mercedes-BenzC32 AMGFront
2004Mercedes-BenzC320Front
2004Mercedes-BenzCLK320Front
2004Mercedes-BenzCLK500Front
2004Mercedes-BenzCLK55 AMGFront
2003Mercedes-BenzC200Front
2003Mercedes-BenzC230Front
2003Mercedes-BenzC240Front
2003Mercedes-BenzC32 AMGFront
2003Mercedes-BenzC320Front
2003Mercedes-BenzCLK320CoupeFront
2003Mercedes-BenzCLK500Front
2003Mercedes-BenzCLK55 AMGFront
2002Mercedes-BenzC200Front
2002Mercedes-BenzC230Front
2002Mercedes-BenzC240Front
2002Mercedes-BenzC32 AMGFront
2002Mercedes-BenzC320Front
2002Mercedes-BenzCLK55 AMG5.5LV8N/A
2001Mercedes-BenzC200Front
2001Mercedes-BenzC240Front
2001Mercedes-BenzC320Front
2001Mercedes-BenzCLK55 AMG5.5LV8N/A

* 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:

2035000049EPT0001FRT2402CSK603284Z49020

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