565-018 DORMAN Cup Expansion Plug

Review DORMAN Brass Cup Expansion Plug 25.73mm Height 0.270 for SC

Introducing the Dorman 565-018 Cup Expansion Plug, a crucial component in your cooling system that ensures efficient engine performance. This plug, measuring 25.73mm in diameter and 0.270 inches in thickness, is designed to expand as coolant flows through it, creating a tight seal against the cylinder head.

The Dorman 565-018 is an OE-quality replacement part, meaning it matches the original equipment in form, fit, and function. It is meticulously engineered to meet the stringent specifications of leading vehicle manufacturers. This plug is manufactured using high-quality materials to ensure durability and resistance to corrosion, providing reliable service for an extended period.

The cup expansion plug plays a vital role in maintaining the cooling system's integrity. It seals the coolant passages on the engine cylinder heads, preventing coolant from leaking out and ensuring that the engine stays cooled effectively. A faulty or worn-out expansion plug can lead to coolant loss, diminished engine performance, and potential engine damage.

Installing the Dorman 565-018 expansion plug is a straightforward process. It comes complete with a gasket to ensure a proper seal, making the installation process smoother and more efficient. Additionally, the plug is designed to be easily accessible, allowing for quick replacement without requiring extensive engine disassembly.

In summary, the Dorman 565-018 Cup Expansion Plug is an essential component for maintaining the cooling system's efficiency and overall engine performance. This OE-quality replacement part, manufactured from high-quality materials, is designed to provide reliable service, seal coolant passages effectively, and prevent coolant loss. With its easy installation process, the Dorman 565-018 is a smart and cost-effective choice for keeping your engine running smoothly.

Dorman 565-018 Cup Expansion Plug: A Detailed Analysis

The Dorman 565-018 cup expansion plug, with a diameter of 25.73mm and a thickness of 0.270 inches, is a crucial automotive part used for cooling systems. This expansion plug plays a vital role in preventing coolant from leaking while allowing the coolant to expand as the engine heats up. Let's explore the pros and cons of purchasing this part.

1. High-Quality Material: The Dorman 565-018 expansion plug is made from durable materials, ensuring long-lasting performance.

2. Precise Fit: This expansion plug fits most applications and comes with a gasket to ensure a leak-free seal.

3. Easy Installation: The plug can be installed quickly and easily, saving time and labor costs.

4. Affordable: Compared to original equipment manufacturer (OEM) parts, the Dorman 565-018 expansion plug is an affordable option.

1. Potential for Leaks: Although the plug comes with a gasket, some users have reported leaks after installation, which may require additional sealing measures.

2. Limited Compatibility: While the Dorman 565-018 expansion plug fits most applications, it may not be compatible with all makes and models. It's essential to verify compatibility before purchasing.

3. No O-Ring: Some users prefer expansion plugs with an O-ring instead of a gasket, as they believe it provides a better seal.

The Dorman 565-018 cup expansion plug offers a reliable and affordable solution for cooling system repairs. Its high-quality materials, easy installation, and precise fit make it an attractive choice for many consumers. However, potential leaks and limited compatibility are concerns that should be considered before making a purchase.

If you need a replacement expansion plug for your cooling system, the Dorman 565-018 is an excellent option to consider. Before purchasing, ensure that the part is compatible with your vehicle by checking the specifications carefully. If you're concerned about potential leaks, you may want to consider using a sealant or an expansion plug with an O-ring.

Details:

Fits what vehicles: 1967-1970 ford fair lane, falcon, 1967-1973 mustang, 1967 p-1 rancher, 1967-1969 mercury comet, 1968-1974 bronco, tiring, 1971-1977 montage, 1969-1970 e-100 online, e-200 e-300 1970-1977 maverick, 1972-1974 gran 1979-1982 1975-1982 Granada, 1975 1980 monarch, 1978 1983 ferment, zephyr, Capri, 1980 -1982 Thunderbird, cougar, 1983 ltd, marquis. Made of quality materials, it is engineered for reliable performance. Placing an order outside the us is easy. This engine intake manifold expansion plug is designed to match the fit and function of original part on specified vehicles.

Trustworthy quality - backed by team of product experts in the USA and more than a century automotive experience. Dorman gives people greater freedom to fix these vehicles by constantly developing new repair solutions that put owners and installers first. Dorman 565-018 brass cup expansion plug 25.73mm Sc, height 0.270: 0.270.

This is a rare combination in fast-growing, global enterprise that makes Dorman special place to work. Specifications: attachment type:cup type, material:brass, maximum diameter:1.018, minimum diameter:1.007, package contents:expansion plug. Durable construction - this part is made from quality materials to ensure reliable performance and long service life. All accessories hardware.

Ideal solution - this plug is a reliable replacement for an original part that missing or has failed due to fatigue. A proper fit is ensured, every time. Pioneer: EPC-16-B. About Dorman products: peoples lives and livelihoods depend upon cars trucks.

Original packaging. Our engineers and designers go out of their way to save repair technicians time, vehicle owners money. The engine that powers us is our culture of contribution.

specifications engineblocksam:

• for models: Sc
• brand: Dorman
• mpn: 565-018
• type: Engine Intake Manifold Expansion Plug
• material: Brass
• country/region of manufacture: United States
• item weight: 0.3000
• manufacturer warranty: 1 Year
• ipn: Epc-16-b

seller engineblocksam:

• # reviews: 114024
• city: miami, florida
• rating: 98.7%

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• transit: 5-10 days
• type: fixed
• service: standard
• class: standard

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

offer engineblocksam:

• started: july 25, 2025
• availability: in stock
• prices: $6.72–$50.07
• item condition: New
• options: ship-to-home
• in stock #: 5
• sold #: 16

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