Dorman OE Solutions Engine Coolant Reservoir for 2004-2015 Infiniti QX56 Nissan Armada Pathfinder 603-360

Pressurized coolant reservoir for 2004-2015 Infiniti QX56 Nissan Armada and Pathfinder used to replace cracked or leaking factory overflow tanks.

Built to meet the manufacturer's design intent for reliable service, this unit is constructed from quality materials engineered to withstand underhood heat and engine vibration while matching original fit and function.

Key Features

• Direct replacement for specific OEM part numbers including 21710ZZ90A and 217239FD0C
• Manufactured from durable materials resistant to thermal stress
• Engineered to match original equipment form and fit
• Validated through testing for dependable performance
• Includes one complete pressurized coolant reservoir assembly

Benefits

• Restores proper cooling system pressure to prevent overheating
• Eliminates leaks caused by cracked or brittle plastic tanks
• Ensures smooth installation with no modifications required
• Reduces risk of repeat repairs with robust construction
• Provides a cost-effective alternative to dealer parts
• Helps maintain optimal engine operating temperature

Application

Ideal for owners of Infiniti QX56, Nissan Armada, and Nissan Pathfinder models experiencing coolant loss or visible tank damage who need a trustworthy direct-fit replacement.

Fitment Notes

• Compatible with 2004-2015 Infiniti QX56
• Compatible with 2004-2015 Nissan Armada
• Compatible with 2004 Nissan Pathfinder Armada
• Verify vehicle compatibility using part number 603-360 before purchase

Why Choose Dorman - OE Solutions?

• Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function
• Backed by over 100 years of automotive aftermarket experience
• Built with quality materials to stand up to daily driving demands
• Focus on fit, durability, and dependable performance restores vehicle confidence

What's in the Box

• 1 PC Pressurized Coolant Reservoir

Item Dimensions

• 12.2in x 6.4in x 8.4in, 2.7lbs