HomeEngine > Hardware, Fasteners and FittingsDorman 565-018 Engine Intake Manifold Expansion Plug
Part #: 565-018

Dorman 565-018 Engine Intake Manifold Expansion Plug

⚙️ 62 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford and Mercury, Bronco, Capri, Cougar, E-100 Econoline, Fairmont, LTD, Marquis, Monarch, Montego, Mustang, Thunderbird, and Zephyr
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Reliable Engine Intake Manifold Expansion Plug for Ford and Mercury

The Dorman 565-018 engine intake manifold expansion plug is designed to provide a secure seal in your vehicle's intake manifold system. Crafted from durable brass, this expansion plug ensures a precise fit and long-lasting performance for select Ford and Mercury models.

  • Constructed from corrosion-resistant brass material
  • Maximum diameter of 1.018 inches and minimum diameter of 1.007 inches for accurate fitment
  • Cup type attachment design for reliable sealing
  • Compatible with multiple Ford and Mercury vehicles including Bronco, Mustang, and Thunderbird
  • Single expansion plug included per package

Durable Brass Construction and Precise Dimensions

This engine intake manifold expansion plug is made from high-quality brass, offering resistance to corrosion and heat commonly found in engine environments. The plug features a maximum diameter of 1.018 inches and a minimum diameter of 1.007 inches, ensuring a tight and secure fit within the intake manifold. Its cup type attachment design helps maintain a proper seal, preventing leaks and maintaining engine efficiency.

Compatible Ford and Mercury Models

The Dorman 565-018 expansion plug is compatible with a range of Ford and Mercury vehicles, including the Bronco, Capri, Cougar, E-100 Econoline, Fairmont, LTD, Marquis, Monarch, Montego, Mustang, Thunderbird, and Zephyr. This makes it a suitable replacement part for owners maintaining or repairing these specific models.

Common Applications and Issues Addressed

  • Sealing intake manifold passages to prevent coolant or vacuum leaks
  • Replacing worn or damaged expansion plugs that cause engine performance issues
  • Maintaining proper engine temperature regulation by preventing fluid leaks
  • Restoring intake manifold integrity after gasket or manifold repairs
  • Preventing contamination of engine components from external debris

Installation Notes and Tips

Ensure the intake manifold surface is clean and free of debris before installing the expansion plug. The cup type attachment requires careful alignment to achieve a proper seal. It is recommended to verify the plug diameter matches the manifold specifications to avoid leaks. Use appropriate tools to press the plug evenly into place without damaging the brass material.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 565-018 engine intake manifold expansion plug undergoes quality checks to ensure durability and reliable performance. Please refer to Dorman's warranty policy for specific coverage details.

BrandDorman
Part Number565-018
MaterialBrass
Maximum Diameter1.018
Minimum Diameter1.007
Attachment TypeCup type
Package ContentsExpansion plug

This part fits 62 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1983FordFairmont3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1983FordLTD3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1983MercuryMarquis3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1983MercuryZephyr3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1982FordFairmont3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1982FordMustang3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1982FordThunderbird3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1982MercuryCapri3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1982MercuryCougar3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1982MercuryZephyr3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1981FordFairmont3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1981FordMustang3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1981FordThunderbird3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1981MercuryCapri3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1981MercuryCougar3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1981MercuryZephyr3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1980FordFairmont3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1980FordMustang3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1980FordThunderbird3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1980MercuryCapri3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1980MercuryCougar3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1980MercuryMonarch4.1LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1980MercuryZephyr3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1979FordFairmont3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1979FordMustang3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1979MercuryCapri3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1979MercuryMonarch4.1LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1979MercuryZephyr3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1978FordFairmont3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1978MercuryMonarch4.1LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1978MercuryZephyr3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1977MercuryMonarch4.1LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1977MercuryMonarch3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1976MercuryMonarch4.1LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1976MercuryMonarch3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1975MercuryMonarch4.1LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1975MercuryMonarch3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1974FordBronco3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1974MercuryMontego4.1LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1973FordBronco3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1973FordMustang4.1LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1973MercuryMontego4.1LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1972FordBronco2.8LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1972FordMustang4.1LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1972MercuryMontego4.1LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1971FordBronco2.8LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1971FordMustang4.1LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1971MercuryMontego4.1LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1970FordBronco2.8LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1970FordE-100 Econoline2.8LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1970FordMustang4.1LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1970FordMustang3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1970MercuryMontego4.1LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1969FordBronco2.8LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1969FordE-100 Econoline2.8LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1969FordMustang4.1LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1969FordMustang3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1969MercuryMontego4.1LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1968FordBronco2.8LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1968FordMustang3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1968MercuryMontego3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1967FordMustang3.3LL6N/A6 Required; 1 In. Brass Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

EPC-16-B

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.