Dorman 54211 Engine Coolant Reservoir Cap

Reliable Engine Coolant Reservoir Cap for Ford and Lincoln Vehicles

The Dorman 54211 Engine Coolant Reservoir Cap is designed to maintain proper pressure and prevent coolant loss in a variety of Ford and Lincoln models. Engineered with durable plastic and a threaded attachment, this twist-type cap ensures a secure fit and reliable performance.

• Constructed from durable black plastic for corrosion resistance
• 80mm diameter fits specific Ford and Lincoln coolant reservoirs
• Threaded attachment type for secure installation
• Pressurized and vented design to maintain system pressure and allow safe coolant expansion
• Maximum pressure rating of 21 psi to support engine cooling system integrity
• Compact size with 2.4 inch length and width for precise fitment
• Compatible with multiple Ford and Lincoln models including F-150, Explorer, Mustang, and Navigator

Product Details and Specifications

The Dorman 54211 coolant reservoir cap is a twist-type cap made from high-quality plastic, designed to fit reservoirs with an 80mm diameter. Its threaded attachment ensures a tight seal, preventing coolant leaks and maintaining the pressurized environment necessary for efficient engine cooling. The cap is vented and pressurized, allowing it to safely release excess pressure while maintaining system integrity up to 21 psi. Measuring 2.4 inches in both length and width, it fits precisely on compatible reservoirs without interfering with surrounding components.

Compatible Ford and Lincoln Models

This engine coolant reservoir cap is compatible with a wide range of Ford and Lincoln vehicles, including but not limited to the Ford F-150, F-250 Super Duty, F-350 Super Duty, Explorer, Escape, Mustang, Bronco, Ranger, Transit series, and Lincoln Navigator, Continental, Corsair, MKC, MKX, and MKZ. The Dorman 54211 part number ensures you receive the correct replacement for your specific vehicle model.

Common Issues Addressed by This Coolant Reservoir Cap

• Prevents coolant leaks caused by worn or damaged caps
• Maintains proper pressure in the cooling system to avoid overheating
• Reduces risk of coolant contamination by providing a secure seal
• Helps prevent engine damage due to coolant loss or pressure failure
• Ensures venting to accommodate coolant expansion and contraction

Installation Notes and Tips

Installation of the Dorman 54211 coolant reservoir cap is straightforward due to its threaded, twist-on design. Before installation, ensure the engine is cool to avoid injury from hot coolant or steam. Remove the old cap by twisting counterclockwise, inspect the reservoir neck for damage or debris, and clean if necessary. Align the new cap and twist clockwise until securely tightened. Do not overtighten, as this may damage the threads or reservoir.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The 54211 coolant reservoir cap undergoes rigorous quality control to ensure proper fit and function. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to the product packaging or Dorman’s official documentation for exact warranty terms.