HomeBelts and Cooling > Radiators, Coolers and Related ComponentsDorman 603-617 Engine Coolant Reservoir - Front
Part #: 603-617

Dorman 603-617 Engine Coolant Reservoir - Front

Front
⚙️ 9 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: INFINITI and Nissan, I30 and Maxima
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Overview of Dorman Engine Coolant Reservoir 603-617

The Dorman 603-617 engine coolant reservoir is designed for reliable coolant storage and management in select Nissan and INFINITI vehicles. This white plastic reservoir includes a cap and is engineered to meet the cooling system requirements of Nissan Maxima and INFINITI I30 models.

  • Durable white plastic construction
  • Includes a pressurized cap for secure sealing
  • Compatible with Nissan Maxima and INFINITI I30
  • Part number 603-617 for precise fitment
  • Mounting hardware and brackets not included

Detailed Product Description

This engine coolant reservoir by Dorman is made from sturdy plastic material, ensuring resistance to heat and corrosion within the engine bay. The included cap is designed to maintain proper pressure and prevent coolant leakage, although the reservoir itself is not pressurized. The white color allows for easy coolant level inspection. While mounting hardware and brackets are not included, the reservoir is designed to fit securely in the designated location for Nissan Maxima and INFINITI I30 models. The part number 603-617 corresponds specifically to these vehicles, ensuring compatibility and proper function within the cooling system.

Common Applications and Problem Resolution

  • Replacement for cracked or leaking coolant reservoirs
  • Restores proper coolant storage and overflow management
  • Prevents engine overheating due to coolant loss
  • Addresses coolant contamination from damaged reservoirs
  • Ensures coolant system integrity for Nissan Maxima and INFINITI I30

Installation Notes and Tips

Installation of the Dorman 603-617 engine coolant reservoir requires removal of the old reservoir and securing the new one in place. Since mounting hardware and brackets are not included, reuse existing components or source compatible hardware. Ensure the included cap is properly tightened to prevent leaks. Check coolant levels after installation and bleed the cooling system if necessary to remove air pockets.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications for fit and function. The 603-617 engine coolant reservoir undergoes quality checks to ensure durability and performance. Warranty coverage details should be confirmed through the product documentation or manufacturer resources.

BrandDorman
Part Number603-617
Cap IncludedYes
Cap TypeYes
ColorWhite
MaterialPlastic
Mounting Brackets IncludedNo
Mounting Hardware IncludedNo
Mounting Hole Quantity0
Package Contents1 Coolant Reservoir; 1 Cap
PressurizedNo

This part fits 9 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1999INFINITII303.0LV6Front
1999NissanMaxima3.0LV6Front
1998INFINITII303.0LV6Front
1998NissanMaxima3.0LV6Front
1997INFINITII303.0LV6Front
1997NissanMaxima3.0LV6Front
1996INFINITII303.0LV6Front
1996NissanMaxima3.0LV6Front
1995NissanMaxima3.0LV6Front

* 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:

2171031U00FRT2311C

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