HomeBelts and Cooling > Radiators, Coolers and Related ComponentsDorman 603-450 Engine Coolant Reservoir - Front
Part #: 603-450

Dorman 603-450 Engine Coolant Reservoir - Front

Front
⚙️ 2 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$95.38Free 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: Volkswagen, EuroVan
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Engine Coolant Reservoir for Volkswagen EuroVan

The Dorman 603-450 engine coolant reservoir is designed specifically for Volkswagen EuroVan models, providing a durable and efficient solution for your vehicle's cooling system. Crafted from high-quality plastic, this reservoir ensures long-lasting performance under pressurized conditions.

  • Constructed from durable white plastic for corrosion resistance
  • Includes one coolant reservoir and one spring loaded twist cap
  • Cap is pressurized with a maximum pressure rating of 20 psi
  • Equipped with two mounting holes and included mounting brackets for secure installation
  • Compatible with Volkswagen EuroVan models requiring part number 603-450

Product Details and Specifications

The Dorman 603-450 engine coolant reservoir is engineered to maintain optimal coolant levels and pressure within the cooling system of Volkswagen EuroVan vehicles. The white plastic construction resists heat and chemical exposure, while the spring loaded twist cap maintains a pressurized environment up to 20 psi, helping to prevent coolant loss and overheating. This reservoir includes two mounting holes and comes with mounting brackets to ensure a secure fit. The package contains one coolant reservoir and one cap, ready for installation.

Compatible Applications and Common Issues Addressed

  • Replacement for cracked or leaking coolant reservoirs on Volkswagen EuroVan
  • Resolves coolant overflow or low coolant warning light issues
  • Prevents engine overheating caused by faulty or damaged reservoirs
  • Restores proper pressure regulation in the cooling system
  • Addresses coolant contamination due to reservoir damage

Installation Notes and Tips

When installing the Dorman 603-450 engine coolant reservoir, ensure the vehicle is cool to avoid injury from hot coolant. Use the included mounting brackets and align the two mounting holes for a secure fit. Verify the spring loaded twist cap is properly seated to maintain system pressure. Inspect hoses and connections for wear or damage during installation and replace as necessary.

Quality Assurance and Warranty Information

Dorman manufactures this engine coolant reservoir to meet or exceed OEM specifications for Volkswagen EuroVan vehicles. The part is designed for durability and reliable performance under pressurized conditions. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in materials and workmanship.

BrandDorman
Part Number603-450
MaterialPlastic
ColorWhite
Mounting Hardware IncludedNo
Mounting Hole Quantity2
Mounting Brackets IncludedYes
Cap TypeSpring loaded twist
PressurizedYes
Cap Maximum Pressure Rating20
Cap IncludedYes
Package Contents1 coolant reservoir; 1 cap

This part fits 2 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2000VolkswagenEuroVan2.8LV6Front
1999VolkswagenEuroVan2.8LV6FrontFrom VIN 70-WH131 361

* 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:

21407C701121407CDAKG-21407CDV21407CTFRT1116C

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