Dorman Engine Coolant Reservoir Cap for 1999-2017 General Motors, 2005-2008 Isuzu 82597

Engine coolant reservoir cap replacement for 1999-2017 General Motors and 2005-2008 Isuzu that fixes cracked or missing original caps.

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

Key Features

• Direct-fit replacement for 1999-2017 General Motors and 2005-2008 Isuzu
• Precise engineering to match OEM design
• Part number 82597
• Fits Engine Coolant Reservoir Cap
• Easy installation with no modifications

Benefits

• Quickly restores cooling system integrity
• Prevents overheating and engine damage
• Saves money compared to dealership parts
• Reliable performance over time
• Easy installation for DIY mechanics

Application

This part is for vehicle owners who need a reliable replacement for cracked or missing coolant reservoir caps on their 1999-2017 General Motors or 2005-2008 Isuzu vehicles. Ideal for routine maintenance, repair shops, and DIY mechanics.

Fitment Notes

• Fits 1999-2017 General Motors
• Fits 2005-2008 Isuzu

Why Choose Dorman - HELP?

• 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

• Includes 1 Engine Coolant Reservoir Cap.

Item Dimensions

• 5.5in x 3.5in x 2.1in, 0.2lbs