Dorman 902-5402 Engine Coolant Reservoir Cap

Reliable Engine Coolant Reservoir Cap for Various Vehicles

The Dorman 902-5402 engine coolant reservoir cap is designed to maintain proper pressure in your vehicle's cooling system. Crafted from durable black plastic, this twist-on cap ensures a secure fit and helps prevent coolant leaks and overheating issues.

• Constructed from durable black plastic for long-lasting use
• Measures 3 inches in width and 1.042 inches in length for precise fitment
• Twist-on attachment type for easy installation and removal
• Pressurized design with a maximum pressure rating of 15 psi
• Non-vented and without a pressure release lever for sealed system integrity

Product Details and Specifications

The Dorman 902-5402 engine coolant reservoir cap features a 76.2 mm diameter, making it compatible with a range of vehicles requiring a pressurized, twist-on coolant cap. Its black plastic construction resists corrosion and withstands high temperatures within the engine bay. The cap’s pressurized design supports up to 15 psi, helping maintain optimal coolant system pressure to prevent overheating and coolant loss. The absence of a vent or pressure release lever means it is intended for sealed cooling systems, ensuring consistent pressure control.

Common Applications and Problem Solving

• Replaces worn or damaged coolant reservoir caps to restore system pressure
• Prevents coolant leaks that can lead to engine overheating
• Helps maintain proper coolant system pressure for efficient engine cooling
• Eliminates issues caused by cracked or loose caps in vehicles like Ford F-150, Chevrolet Silverado, and Toyota Tacoma
• Suitable for vehicles requiring a 15 psi pressurized, twist-on coolant reservoir cap

Installation Notes and Tips

Installation of the Dorman 902-5402 coolant reservoir cap is straightforward due to its twist-on design. Ensure the old cap is fully removed and the reservoir neck is clean before installing the new cap. Align the cap properly and twist until it is securely seated to maintain system pressure. Regular inspection of the cap is recommended to detect any signs of wear or damage that could affect cooling system performance.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. While specific warranty details for part number 902-5402 are not provided, Dorman typically offers limited warranties on their replacement parts. For exact warranty information, consult the product packaging or manufacturer resources.