Dorman 82573 Power Steering Reservoir Cap

Power Steering Reservoir Cap Replacement

Dorman 82573 is a direct replacement power steering reservoir cap for vehicles that need a cracked, worn, or missing original cap replaced. It helps seal the reservoir to reduce fluid loss and limit contamination in the steering system. This cap includes a dipstick for checking fluid level during service.

Key Features

• Direct replacement power steering reservoir cap
• Fits reservoirs with a 2-inch stem and 1.67-inch diameter cap opening
• Screw-on attachment for secure installation
• Black finish with metal, plastic, and rubber construction
• Dipstick included for fluid level checks
• Compatible with Chevrolet Lumina, Chevrolet Monte Carlo, Buick Regal, Pontiac Grand Prix, Oldsmobile Cutlass Supreme, and select Buick Century and Oldsmobile Cutlass Ciera applications

Detailed Description

This Dorman power steering reservoir cap, part number 82573, is built as an OE-style replacement for select GM steering systems. It is used on 1990-1997 Chevrolet Lumina, 1995-1997 Chevrolet Monte Carlo, 1988-1996 Oldsmobile Cutlass Supreme, 1988-1996 Pontiac Grand Prix, 1988-1993 Buick Regal, plus 1993 Buick Century and 1993 Oldsmobile Cutlass Ciera applications with a pump-mounted reservoir and 2-inch stem. This part cross-references 26002679 for the same application. Dorman 82573 helps restore a proper reservoir seal and provides a dipstick for routine power steering fluid inspection.

What It Helps Fix

• Cracked or broken power steering reservoir cap
• Missing cap that leaves the reservoir open to contamination
• Fluid seepage from a poor cap seal
• Difficulty checking power steering fluid level
• Worn original cap that no longer threads on securely

Installation Notes and Tips

Verify the reservoir uses a screw-on cap with a 1.67-inch diameter and 2-inch stem before installation. Clean the reservoir neck and inspect the sealing surfaces for damage before threading the cap into place. Confirm the dipstick reading against the vehicle service procedure after the system is filled and checked.

Quality Assurance

Dorman manufactures replacement parts to match original equipment fit and function for specific vehicle applications. Part number 82573 is built for direct replacement use in the listed GM steering systems.