Dorman Engine Coolant Reservoir Non-Pressurized for 2006-2009 Acura RSX 603-243

Engine coolant reservoir for 2006-2009 Acura RSX by Dorman to replace the original non-pressurized reservoir.

Built to meet the manufacturer’s design intent for reliable service.

Key Features

• Manufactured from quality materials to withstand underhood heat and engine vibration.
• Engineered to match the fit and function of the original part.
• Non-pressurized design suitable for Acura RSX cooling systems.

Benefits

• Durable construction resists high temperatures and vibrations.
• Ensures reliable coolant flow and engine temperature control.
• Easy to install as a direct-fit replacement.
• Provides long-lasting performance for daily driving.

Application

This part is for owners of Acura RSX models from 2006 to 2009 who need a replacement coolant reservoir.

Fitment Notes

• Fitment years/make/model: 2006-2009 Acura RSX

Why Choose Dorman - OE Solutions?

• Choosing Dorman aftermarket replacement parts is a smart way to restore your vehicle with confidence, thanks to a strong focus on fit, durability, and dependable performance. Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function, helping ensure a smoother installation and reliable results. Built with quality materials and validated through testing, they’re made to stand up to daily driving demands and help reduce the risk of repeat repairs. For a long-lasting fix you can trust, Dorman delivers proven aftermarket solutions that keep your vehicle operating the way it should.

What’s in the Box

• 1 PC

Item Dimensions

• 14.5in x 7.4in x 5.9in, 1.3lbs