HomeBelts and Cooling > Radiators, Coolers and Related ComponentsDorman 603-075 Engine Coolant Reservoir - Front
Part #: 603-075

Dorman 603-075 Engine Coolant Reservoir - Front

Front
⚙️ 21 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: Honda, CR-Z, Fit, Insight, and City
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Reliable Engine Coolant Reservoir for Honda Vehicles

The Dorman 603-075 engine coolant reservoir is designed to provide a durable and efficient solution for your Honda City, CR-Z, Fit, and Insight models. Made from sturdy plastic and featuring a white finish, this reservoir includes a cap and is engineered to meet the cooling system requirements of your vehicle.

  • Constructed from durable plastic material for long-lasting use
  • Includes one coolant reservoir and one cap for complete installation
  • White color for easy fluid level monitoring
  • Equipped with one mounting hole; mounting hardware and brackets not included
  • Non-pressurized design with included cap for proper coolant containment

Product Details and Specifications

The Dorman 603-075 engine coolant reservoir is a direct replacement part compatible with select Honda models including the City, CR-Z, Fit, and Insight. This reservoir is made from high-quality plastic, ensuring resistance to heat and corrosion commonly found in engine compartments. The white color allows for quick visual checks of coolant levels without removing the cap. It features a single mounting hole for secure attachment, though mounting hardware and brackets are not included and may need to be reused from the original part. The included cap is designed to fit securely but the reservoir itself is non-pressurized, matching the specifications of the original equipment.

Compatible Vehicles and Common Applications

This engine coolant reservoir is compatible with the following Honda models:

  • Honda City
  • Honda CR-Z
  • Honda Fit
  • Honda Insight

It is intended to replace worn or damaged coolant reservoirs that may cause issues such as leaks or improper coolant levels.

Common Issues Addressed by This Coolant Reservoir

  • Coolant leaks due to cracked or damaged reservoir
  • Inaccurate coolant level readings from discolored or opaque tanks
  • Overheating caused by insufficient coolant containment
  • Loss of coolant pressure due to faulty or missing caps
  • Corrosion or degradation of original plastic reservoir

Installation Notes and Tips

When installing the Dorman 603-075 engine coolant reservoir, ensure the mounting hole aligns properly with the vehicle’s frame. Since mounting hardware and brackets are not included, reuse the original components if they are in good condition or source compatible replacements. Carefully transfer the included cap and verify it seals correctly to prevent coolant evaporation or contamination. Always check for leaks after installation and refill the coolant to the recommended level according to your vehicle’s service manual.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-075 engine coolant reservoir undergoes quality inspections to ensure durability and reliability. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to the product documentation or manufacturer website for exact warranty terms.

BrandDorman
Part Number603-075
Cap IncludedYes
Cap TypeYes
ColorWhite
MaterialPlastic
Mounting Brackets IncludedNo
Mounting Hardware IncludedNo
Mounting Hole Quantity1
Package Contents1 Coolant Reservoir; 1 Cap
PressurizedNo

This part fits 21 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2016HondaCR-Z1.5LL4Front
2015HondaCR-Z1.5LL4Front
2014HondaCR-Z1.5LL4Front
2014HondaFit1.5LL4GASFront
2014HondaInsight1.3LL4Front
2013HondaCity1.5LL4Front
2013HondaCR-Z1.5LL4Front
2013HondaFit1.5LL4Front
2013HondaInsight1.3LL4Front
2012HondaCity1.5LL4Front
2012HondaCR-Z1.5LL4Front
2012HondaFit1.5LL4Front
2012HondaInsight1.3LL4Front
2011HondaCity1.5LL4Front
2011HondaCR-Z1.5LL4Front
2011HondaFit1.5LL4Front
2011HondaInsight1.3LL4Front
2010HondaCity1.5LL4Front
2010HondaFit1.5LL4Front
2010HondaInsight1.3LL4Front
2009HondaFit1.5LL4Front

* 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:

19101RB0000DAKG-8143FRT1816C

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