Dorman 54215 Engine Coolant Reservoir Cap

Engine Coolant Reservoir Cap Replacement

Replace a cracked, missing, or worn coolant reservoir cap with a direct-fit Dorman replacement. Dorman 54215 is a black plastic, snap-on flip-top cap with a vented design for a secure, OE-style service replacement.

• Direct replacement for the original engine coolant reservoir cap
• Black plastic construction with a 45.5 mm diameter
• Snap-on attachment with flip-top design
• Vented cap design; non-pressurized and no pressure release lever
• Fits the specified reservoir application on select Chevrolet Camaro and Pontiac Firebird models

Fitment Details

Compatible With 1993-2002 Chevrolet Camaro, washer fluid reservoir cap on automatic transmission vehicles.

Compatible With 1993-2002 Pontiac Firebird, washer fluid reservoir cap on automatic transmission vehicles.

This part cross-references 10188034 for the same application.

What This Cap Helps Address

• Broken or cracked reservoir cap housing
• Lost coolant reservoir cap
• Loose cap fitment at the reservoir opening
• Damaged vented cap that no longer seals properly
• Service replacement needs on select Camaro and Firebird applications

Installation Notes and Tips

Match the cap style, diameter, and attachment type to the original part before installation. Confirm the reservoir opening is clean and free of debris, then snap the cap into place until it seats fully. Verify the application on 1993-2002 Chevrolet Camaro and 1993-2002 Pontiac Firebird automatic transmission vehicles before ordering.

Quality Assurance

Dorman manufactures direct replacement parts engineered to match original equipment fit and function for the listed application. Part number 54215 is built as a service replacement for the specified reservoir cap use.