Dorman 82577 Power Steering Reservoir Cap

Power Steering Reservoir Cap Replacement

Dorman 82577 is a direct replacement power steering reservoir cap for vehicles with a 1.65-inch reservoir opening. It restores a secure seal on the power steering reservoir to help keep fluid in place and reduce contamination in the steering system.

Built with metal, plastic, and rubber materials, this screw-on cap includes a dipstick for checking fluid level. It is finished in black and matches the original style used on many Dodge, Jeep, Chrysler, and Plymouth applications.

Key Features

• Direct replacement for a cracked, worn, or missing original cap
• Screw-on attachment for a secure reservoir seal
• Includes dipstick for fluid level checking
• Black finish with metal, plastic, and rubber construction
• 1.65 in diameter and 3.28 in height
• Fits Saginaw pump applications with a metal reservoir on select vehicles

Detailed Description

This Dorman power steering reservoir cap, part number 82577, is made for select Chrysler, Dodge, Jeep, and Plymouth vehicles that use a 1.65-inch cap diameter. It is a practical OE-style replacement for the original reservoir cap on models such as the Dodge Ram 1500, Dodge Dakota, and Jeep Wrangler. The cap helps close the reservoir securely to limit fluid loss and reduce the chance of dirt or debris entering the steering system.

This part cross-references 4694765 for the same application. If you are replacing a damaged cap on a Dodge Ram 2500, Dodge Durango, or Jeep Cherokee, Dorman 82577 provides the correct fitment details for the listed vehicles.

What It Helps Fix

• Missing or broken power steering reservoir cap
• Fluid seepage from a poor reservoir seal
• Contamination entering the power steering reservoir
• Difficulty checking power steering fluid level
• Worn cap threads or a loose screw-on fit

Installation Notes and Tips

• Verify the reservoir opening measures 1.65 inches before installation
• Confirm the vehicle uses the listed Saginaw pump or matching reservoir style where noted
• Inspect the reservoir neck and threads for damage before installing the new cap
• Use the dipstick to confirm fluid level after the cap is seated properly
• Fitment includes many 1989-2003 Dodge, Jeep, Chrysler, and Plymouth models; check the vehicle-specific listing before ordering

Quality Assurance

Dorman manufactures replacement parts to match original equipment form and function for listed applications. Part number 82577 is built as a direct-fit replacement for the specified vehicles and reservoir style.