Dorman 82724 Engine Coolant Reservoir Cap

Reliable Engine Coolant Reservoir Cap for Select GM Vehicles

The Dorman 82724 engine coolant reservoir cap is designed to provide a secure seal for the coolant reservoir in various Buick, Chevrolet, GMC, Hummer, Oldsmobile, Pontiac, and Saturn models. This black plastic cap features a flip-top design with a press-on attachment, ensuring easy installation and reliable performance.

• Durable black plastic construction
• 55 mm diameter for precise fit
• Flip top type for convenient access
• Press-on attachment for secure installation
• Non-vented and non-pressurized design
• Compatible with multiple GM makes and models

Product Details and Specifications

The Dorman 82724 coolant reservoir cap measures 2.31 inches in width and 0.655 inches in length, with a 55 mm diameter to match factory specifications. Its flip-top design allows for easy opening and closing without the need for tools, while the press-on attachment type ensures a firm fit on the reservoir neck. This cap is non-vented and does not include a pressure release lever, making it suitable for coolant reservoirs that do not require pressurization or venting. The black plastic material offers resistance to heat and corrosion commonly found in engine compartments.

Compatible Vehicles and Applications

This engine coolant reservoir cap is compatible with a range of General Motors vehicles, including Buick models like Allure, LaCrosse, Lucerne, and Regal; Chevrolet models such as Acadia, Colorado, Equinox, Impala, Lumina, Monte Carlo, and Traverse; GMC Canyon and Terrain; Hummer H3 and H3T; Oldsmobile Century and Intrigue; Pontiac Grand Prix; and Saturn Outlook and Vue. The Dorman 82724 cap is designed to meet the specific fitment requirements of these vehicles, ensuring proper sealing and coolant system performance.

Common Issues Addressed by This Coolant Reservoir Cap

• Preventing coolant leaks from a damaged or worn reservoir cap
• Maintaining proper coolant levels by sealing the reservoir securely
• Protecting the cooling system from contamination
• Ensuring consistent coolant system pressure where applicable
• Replacing lost or broken caps to avoid engine overheating

Installation Notes and Tips

Installation of the Dorman 82724 engine coolant reservoir cap is straightforward due to its press-on attachment and flip-top design. Before installation, ensure the reservoir neck is clean and free of debris to guarantee a proper seal. Align the cap with the reservoir opening and press firmly until it snaps into place. The flip-top allows for easy access to the reservoir without removing the entire cap, simplifying coolant level checks and refills.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 82724 engine coolant reservoir cap undergoes quality inspections to ensure durability and reliable performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship to provide confidence in the product's longevity.