Dorman 54256 Engine Coolant Reservoir Cap

Engine Coolant Reservoir Cap Replacement

Replace a cracked, missing, or worn coolant reservoir cap with this direct replacement from Dorman. Part number 54256 is a black plastic flip-top cap with a 38.5 mm diameter and snap-on attachment for a secure fit on the reservoir neck.

Fits 1995-2004 Toyota Tacoma, N/A, and is listed for automatic transmission vehicles using the washer fluid reservoir cap application. This Dorman 54256 cap is built as a direct replacement for the original style, helping restore proper closure at the reservoir opening.

Key Features

• Direct replacement engine coolant reservoir cap
• Black plastic construction
• 38.5 mm diameter
• Snap-on attachment with flip-top design
• No vented or pressurized function
• Fits 1995-2004 Toyota Tacoma, N/A
• Part number 54256

Detailed Description

Dorman 54256 is engineered to replace the original coolant reservoir cap when the factory cap is cracked, lost, or no longer seals properly. The plastic construction and snap-on design support a straightforward OE-style replacement, while the flip-top format matches the specified reservoir cap style. For Toyota Tacoma owners searching for a 1995-2004 Toyota Tacoma coolant reservoir cap or Dorman 54256 replacement cap, this part provides a direct-fit solution for the listed application.

This part cross-references Toyota 164010C010 for the same application.

What It Helps Solve

• Missing or broken reservoir cap
• Damaged cap that no longer closes securely
• Incorrect cap size or attachment style
• Reservoir opening left exposed to contamination
• Loss of the original cap during service

Installation Notes and Tips

Confirm the reservoir neck diameter and cap style before installation. This cap uses a snap-on attachment and flip-top design, and it is not vented or pressurized. Verify the vehicle application against the listed fitment for 1995-2004 Toyota Tacoma, N/A before ordering.

Quality Assurance

Dorman manufactures direct replacement parts engineered to match the original component style and function for the specified application. Part number 54256 is built to replace the factory cap on the listed Toyota Tacoma fitment.