Dorman HD Solutions Heavy Duty Pressurized Coolant Reservoir for 2008-2024 Kenworth and Peterbilt 603-5403

Heavy duty pressurized coolant reservoir for 2008-2024 Kenworth and Peterbilt trucks used to replace cracked or leaking factory 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 Paccar part numbers N5346001, T1673008, and T1673009
• Constructed from durable materials designed to resist thermal stress
• Engineered to match OE form, fit, and function
• Pressurized design maintains proper cooling system integrity
• Validated through testing for daily driving demands

Benefits

• Restores cooling system pressure to prevent overheating
• Reduces risk of repeat repairs with robust construction
• Ensures smoother installation with direct-fit design
• Provides long-lasting performance in heavy duty applications
• Helps maintain engine efficiency by preventing coolant loss

Application

Ideal for fleet managers and owner-operators of Kenworth and Peterbilt semi-trucks requiring a trustworthy replacement for failed or damaged coolant expansion tanks.

Fitment Notes

• Compatible with Kenworth models from 2008 to 2024
• Compatible with Peterbilt models from 2008 to 2023
• Cross-references Spectra Premium FRT2500C and Standard Motor Products FRT2500C

Why Choose Dorman - HD Solutions?

• Backed by over 100 years of automotive aftermarket experience with a focus on fit, durability, and dependable performance.

What's in the Box

• 1 PC Coolant Reservoir

Item Dimensions

• 24.4in x 15.6in x 16.1in, 11.8lbs