Dorman Engine Coolant Reservoir Non-Pressurized for 2017-2018 Jeep Wrangler JK 603-773

Engine coolant reservoir for 2017-2018 Jeep Wrangler JK by Dorman - OE Solutions replaces the factory part.

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

Key Features

• Non-pressurized design suitable for Jeep Wrangler JK models.
• Manufactured from quality materials to withstand underhood heat and engine vibration.
• Engine coolant reservoir engineered to match the fit and function of the original part.
• Backed by 100 years of automotive aftermarket experience.
• Compatible with 2017-2018 Jeep Wrangler JK.

Benefits

• Provides reliable coolant storage without pressure complications.
• Ensures consistent engine cooling performance for daily driving.
• Easy to install as a direct-fit replacement.
• Durable construction reduces risk of leaks and failures.
• Supports long-term vehicle maintenance confidence.

Application

This part is ideal for Jeep Wrangler owners needing a reliable coolant reservoir replacement to maintain engine cooling efficiency.

Fitment Notes

• 2017-2018 Jeep Wrangler JK

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

• 18.8in x 8.3in x 5.8in, 1.9lbs