Dorman 904-8055 O-Ring Assortment

Durable O-Ring Assortment for Automotive Repairs

The Dorman 904-8055 O-Ring Assortment provides a selection of essential sealing components designed for reliable performance in various automotive applications. This assortment includes both rubber and copper O-rings and washers, suitable for use in vehicles such as Ford F-150, Chevrolet Silverado, and Toyota Tacoma models requiring precise sealing solutions.

• Includes 6 rubber and copper O-rings plus 6 washers
• O-rings feature round rim shape for consistent sealing
• Material composition: durable rubber and copper for heat and pressure resistance
• O-ring sizes range from 0.305 to 0.864 inches inside diameter
• Thickness varies between 0.07 and 0.287 inches to accommodate different sealing needs
• Colors include green and copper for easy identification

Product Details and Specifications

The Dorman 904-8055 assortment contains O-rings made from rubber and copper materials, designed to withstand automotive operating conditions. The round rim shape ensures a tight seal in fluid and air systems. The assortment covers a range of sizes, with maximum inside diameters up to 0.864 inches and outside diameters up to 1 inch, making it suitable for various sealing points in engine, transmission, and cooling systems. The included washers complement the O-rings for enhanced sealing performance in applications requiring both components.

Common Applications and Problem Solving

• Sealing leaks in fuel injectors and fuel lines
• Preventing coolant leaks in radiator and heater hoses
• Maintaining pressure integrity in transmission fluid systems
• Replacing worn or damaged O-rings in brake and hydraulic systems
• Addressing oil leaks around engine components and valve covers

Installation Notes and Tips

Before installation, ensure the sealing surfaces are clean and free of debris. Select the correct O-ring size based on the inside and outside diameter specifications. Lubricate O-rings lightly with compatible fluid to ease installation and prevent damage. Avoid overstretching or twisting the O-rings during placement. Use the included washers where applicable to maintain proper sealing pressure.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 904-8055 O-Ring Assortment undergoes quality control to ensure material integrity and dimensional accuracy. While specific warranty details are not provided, Dorman typically offers limited warranties covering defects in material and workmanship.