Dorman 54227CD Engine Coolant Reservoir Cap

Reliable Engine Coolant Reservoir Cap for Acura and Honda Vehicles

The Dorman 54227CD engine coolant reservoir cap is designed to provide a secure seal for your vehicle's coolant system. Compatible with popular Acura and Honda models, this cap ensures proper containment of engine coolant without pressurization or venting features.

• Constructed from durable white plastic for corrosion resistance
• Measures 31 mm in diameter with a 1.5-inch length and width
• Threaded attachment type with a twist-on design for easy installation
• Non-vented and non-pressurized cap without a pressure release lever
• Includes one engine coolant reservoir cap per package

Product Details and Specifications

The Dorman 54227CD engine coolant reservoir cap is made from sturdy plastic material, ensuring longevity and resistance to typical engine bay conditions. Its 31 mm diameter and compact 1.5-inch length and width dimensions make it a precise fit for the coolant reservoirs on Acura and Honda vehicles such as the Accord, Civic, CR-V, EL, Prelude, RDX, and RSX. The threaded, twist-on design allows for a secure attachment without the need for additional tools. This cap does not feature venting or pressurization, which aligns with the original equipment specifications for the compatible models.

Compatible Vehicles and Applications

This engine coolant reservoir cap is compatible with the following makes and models:

• Acura Accord, EL, RDX, RSX, Prelude
• Honda Accord, Civic, CR-V

Use this cap to replace worn or damaged reservoir caps that no longer provide a proper seal, helping maintain the integrity of your vehicle's cooling system.

Common Issues Addressed by This Cap

• Preventing coolant leaks from the reservoir
• Maintaining proper coolant containment without pressurization
• Replacing cracked or broken reservoir caps
• Ensuring a secure, threaded fit to avoid coolant evaporation
• Eliminating coolant contamination from external debris

Installation Notes and Tips

Installation of the Dorman 54227CD engine coolant reservoir cap is straightforward due to its threaded, twist-on design. Before installation, ensure the reservoir neck is clean and free of debris. Align the cap threads carefully and twist clockwise until snug. Avoid over-tightening to prevent damage to the cap or reservoir. This cap does not require a pressure release lever or venting, so no additional adjustments are necessary.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 54227CD engine coolant reservoir cap undergoes quality checks to ensure durability and compatibility with specified Acura and Honda models. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship.