HomeBelts and Cooling > Radiators, Coolers and Related ComponentsDorman 603-610 Engine Coolant Reservoir - Front
Part #: 603-610

Dorman 603-610 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
$82.44Free 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: Nissan, Pathfinder
🔄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 Nissan Pathfinder

The Dorman 603-610 engine coolant reservoir is designed specifically for Nissan Pathfinder models, providing a reliable replacement for your vehicle's cooling system. Made from durable plastic, this reservoir ensures proper coolant storage and circulation to maintain optimal engine temperature.

  • Constructed from high-quality plastic for durability
  • Includes one coolant reservoir, one cap, and tubing
  • White color with dimensions: 413mm length and 308mm height
  • Equipped with two mounting holes and included mounting brackets
  • Cap type included and non-pressurized design

Detailed Product Description

The Dorman 603-610 engine coolant reservoir is engineered to meet the specifications of Nissan Pathfinder vehicles. Its plastic construction offers resistance to corrosion and heat, ensuring long-lasting performance. The reservoir measures 413mm in length and 308mm in height, fitting precisely within the engine bay. It comes with two mounting holes and brackets for secure installation. The included cap is designed for easy sealing and maintenance, while the non-pressurized design aligns with the original equipment requirements. This product package also contains tubing necessary for proper coolant flow.

Compatible Applications and Common Issues Addressed

  • Replacement for cracked or leaking coolant reservoirs in Nissan Pathfinder
  • Resolves coolant overflow or low coolant level warnings
  • Prevents engine overheating caused by faulty reservoir tanks
  • Addresses mounting bracket damage or missing hardware issues
  • Restores proper coolant circulation and system pressure balance

Installation Notes and Tips

Installation of the Dorman 603-610 engine coolant reservoir requires basic mechanical skills. Ensure the engine is cool before beginning the replacement process. Use the included mounting brackets and two mounting holes to secure the reservoir firmly. Verify that the tubing is properly connected to avoid leaks. The included cap should be installed tightly to maintain system integrity. No additional mounting hardware is included, so retain original fasteners if possible.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-610 engine coolant reservoir undergoes quality checks to ensure durability and performance. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts. Consult product documentation or the manufacturer for exact warranty terms.

BrandDorman
Part Number603-610
Cap IncludedYes
Cap TypeYes
ColorWhite
Height308
Length413
MaterialPlastic
Mounting Brackets IncludedYes
Mounting Hardware IncludedNo
Mounting Hole Quantity2
Package Contents1 Coolant Reservoir; 1 Cap; Tubing
PressurizedNo

This part fits 2 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2000NissanPathfinder3.3LV6Front
1999NissanPathfinder3.3LV6FrontFrom 12/98

* 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:

217102W10171250FRT2307C

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