HomeBelts and Cooling > Radiators, Coolers and Related ComponentsDorman 603-565 Engine Coolant Reservoir - Front
Part #: 603-565

Dorman 603-565 Engine Coolant Reservoir - Front

Front
⚙️ 20 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$175.05Free 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
🚗Fitment: Toyota, RAV4
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dorman Engine Coolant Reservoir for Toyota RAV4

The Dorman 603-565 engine coolant reservoir is designed specifically for Toyota RAV4 models, providing a reliable solution for your vehicle's cooling system. Made from durable plastic, this black and white reservoir includes a spring loaded twist cap and mounting brackets for secure installation.

  • Constructed from durable plastic material
  • Includes spring loaded twist cap for pressurized system
  • Comes with mounting brackets and two mounting holes
  • Cap included for complete assembly
  • Compatible with Toyota RAV4 cooling systems

Detailed Product Description

The Dorman 603-565 engine coolant reservoir is engineered to meet the specifications of Toyota RAV4 vehicles. Its plastic construction ensures resistance to corrosion and heat, while the black and white color scheme allows for easy fluid level monitoring. The reservoir is pressurized and comes with a spring loaded twist cap that maintains system pressure and prevents coolant loss. Included mounting brackets and two mounting holes facilitate a secure and proper fit within the engine bay. This part number 603-565 is a direct replacement designed to integrate seamlessly with your vehicle’s existing cooling components.

Common Applications and Problem Resolution

  • Replacement for cracked or leaking coolant reservoirs
  • Solves coolant overflow or loss issues
  • Addresses pressure cap failures causing overheating
  • Prevents contamination of coolant fluid
  • Restores proper coolant level monitoring

Installation Notes and Tips

Installation of the Dorman 603-565 reservoir requires removal of the old reservoir and careful alignment of the mounting brackets with the two mounting holes. Ensure the spring loaded twist cap is properly seated to maintain system pressure. No additional mounting hardware is included, so retain original fasteners or acquire compatible replacements. It is recommended to inspect hoses and clamps during installation for any signs of wear or damage.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-565 engine coolant reservoir undergoes quality checks to ensure durability and performance in pressurized cooling systems. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship.

BrandDorman
Part Number603-565
Cap IncludedYes
Cap TypeSpring Loaded Twist
ColorBlack/White
MaterialPlastic
Mounting Brackets IncludedYes
Mounting Hardware IncludedNo
Mounting Hole Quantity2
Package Contents1 Coolant Reservoir; 1 Cap
PressurizedYes

This part fits 20 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2018ToyotaRAV42.5LL4FrontPart Produced In U.S.A.
2017ToyotaRAV42.5LL4FrontPart Produced In U.S.A.
2016ToyotaRAV42.5LL4FrontPart Produced In U.S.A.
2015ToyotaRAV42.5LL4FrontPart Produced In U.S.A.
2014ToyotaRAV42.5LL4FrontPart Produced In U.S.A.
2013ToyotaRAV42.5LL4FrontPart Produced In U.S.A.
2012ToyotaRAV43.5LV6FrontPart Produced In U.S.A.
2012ToyotaRAV42.5LL4FrontPart Produced In U.S.A.
2011ToyotaRAV43.5LV6Front
2011ToyotaRAV42.5LL4Front
2010ToyotaRAV43.5LV6Front
2010ToyotaRAV42.5LL4Front
2009ToyotaRAV43.5LV6Front
2009ToyotaRAV42.5LL4Front
2008ToyotaRAV43.5LV6Front
2008ToyotaRAV42.4LL4Front
2007ToyotaRAV43.5LV6Front
2007ToyotaRAV42.4LL4Front
2006ToyotaRAV43.5LV6Front
2006ToyotaRAV42.4LL4Front

* 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:

164700V010

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