555-004 DORMAN Steel Cup Expansion Plug

Review DORMAN 004 Steel Cup Expansion Plug 64 In Hei for SC 2029

The Dorman 555-004 004 Steel Cup Expansion Plug is a crucial automotive component designed for cooling systems in various vehicles. This plug, specifically sized for a 29/64 inch (11.3 mm) hole, is made of robust steel material, ensuring durability and resistance to corrosion.

The steel cup expansion plug is an essential part of the cooling system, allowing the engine to expand as it heats up without damaging the cylinder head. When the coolant inside the engine expands due to heat, the pressure pushes the plug outward, creating a seal that prevents coolant from leaking out. Once the engine cools down, the plug returns to its original position, ready for the next heating cycle.

This Dorman expansion plug is engineered to meet or exceed OEM specifications, ensuring optimal performance and compatibility with different makes and models. Its simple yet effective design makes it a reliable replacement for worn-out or damaged expansion plugs.

Installing this plug is a straightforward process, making it a popular choice among DIY enthusiasts and professional mechanics alike. With its precise dimensions and sturdy construction, the Dorman 555-004 004 Steel Cup Expansion Plug offers a cost-effective solution for maintaining the cooling system in your vehicle, promoting efficient engine operation and prolonging its lifespan.

Dorman 555-004 004 Steel Cup Expansion Plug: A Detailed Analysis

The Dorman 555-004 004 Steel Cup Expansion Plug is a replacement part designed for cooling systems in vehicles. This component is essential for maintaining the cooling system's efficiency and preventing potential engine damage. In this analysis, we will discuss the key advantages and disadvantages of using this particular part.

1. Durability: The Dorman 555-004 004 Steel Cup Expansion Plug is made of high-quality steel, ensuring long-lasting performance. Steel is a more robust material compared to other options like brass or aluminum, making it an ideal choice for harsh driving conditions.

2. Leak Prevention: The steel construction of this plug reduces the likelihood of leaks, which can cause significant damage to a vehicle's cooling system.

3. OEM Fitment: Dorman is a well-known aftermarket auto parts manufacturer, and their products are designed to fit and function like OEM (Original Equipment Manufacturer) parts. This means that the 555-004 004 Steel Cup Expansion Plug is likely to be a direct replacement for the part it's intended to replace in various vehicle makes and models.

4. Cost-Effective: Replacing a faulty cooling system expansion plug with the Dorman 555-004 004 can save vehicle owners money compared to purchasing an OEM part or having their vehicle serviced at a dealership.

1. Installation Complexity: Installing a cooling system expansion plug can be a challenging process, especially for those without extensive automotive experience. The process involves draining the coolant, removing the old plug, and installing the new one.

2. Limited Compatibility: While the Dorman 555-004 004 Steel Cup Expansion Plug is suitable for a wide range of vehicles, it may not be a direct fit for all makes and models. It's essential to verify the compatibility of this part with your specific vehicle before making a purchase.

3. Risk of Coolant Loss: During installation, there is a risk of coolant loss, which can be time-consuming and messy to clean up. It's crucial to follow proper safety precautions and have the necessary tools and equipment on hand to minimize the risk of coolant loss.

The Dorman 555-004 004 Steel Cup Expansion Plug is a robust and cost-effective solution for replacing a faulty cooling system expansion plug in various vehicle makes and models. Its steel construction ensures durability and leak prevention, making it a suitable choice for harsh driving conditions. However, its installation complexity and potential compatibility issues are important factors to consider before making a purchase.

For vehicle owners who are comfortable with performing automotive repairs and have the necessary tools and safety precautions in place, the Dorman 555-004 004 Steel Cup Expansion Plug is an excellent choice. Its durability, cost-effectiveness, and OEM fitment make it a reliable replacement for a faulty cooling system expansion plug. For those who prefer a more convenient solution or are unsure about their ability to install the part themselves, it is recommended to consult a professional mechanic or dealership for assistance.

Details:

Engine camshaft plug,engine expansion rocker arm shaft end plug p/n:555-004. For kits, photo might show entire kit and listing is only for one component. Steel cup expansion plug 29/64 in Sc hei,. Note: photos do not always represent the actual product.

specifications engineblocksam:

• for models: Sc
• for years: 2029
• brand: Dorman
• mpn: 555-004
• type: Default
• material: Material

general engineblocksam:

• category: Auto Parts > Car Truck Accessories > Engines > Blocks

shipping engineblocksam:

• class: standard
• type: fixed
• transit: 2-5 days
• service: standard

payments engineblocksam:

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seller engineblocksam:

• # reviews: 81336
• city: USA
• rating: 98.5%

returns engineblocksam:

• time: 30 days
• policy: returns accepted
• paid by: seller

offer engineblocksam:

• prices: $6.70–$29.95
• item condition:
  • New
  • New other (see details)
• in stock #: 5
• sold #: 18
• options: ship-to-home
• availability: in stock
• started: june 9, 2025