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Dorman 555-054 Steel Reverse Taper Cup Expansion Plug 3/8 In.

(Ford F-150 1975-76, Mustang 1967-70, F-250 1966-76, Thunderbird 1958-68, F-350 1964-76, Galaxie 500 1962-71, F-100 1966-76 + 47 more models)

Manufacturer

Picture for manufacturer Dorman

Part Number

555-054
5 reviews
Sale Price

$11.63

In Stock (10+)

delivery box

Usually delivered within 2 days

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Product Details

The Dorman 555-054 is a steel reverse taper cup expansion plug designed for permanent sealing of core holes and freeze plugs in engine blocks and cylinder heads. This expansion plug features a 3/8 inch size with a cup height of 0.310 inches and is constructed from durable steel for long-lasting corrosion resistance.

Key Features:

  • Reverse taper cup design for secure installation and reliable sealing
  • 3/8 inch diameter size for common automotive applications
  • 0.310 inch cup height specification
  • Steel construction provides strength and durability
  • Sold in package of 10 pieces for multiple repairs or shop inventory

Expansion plugs are essential components for sealing core holes left during engine block casting or for replacing corroded freeze plugs. The reverse taper design ensures a tight fit when properly installed, creating an effective seal against coolant and oil leakage.

Products specifications

Fits

Ford F-150 1975-76, Mustang 1967-70, F-250 1966-76, Thunderbird 1958-68, F-350 1964-76, Galaxie 500 1962-71, F-100 1966-76, F-250 Pickup 1966-74, Fairlane 1958-70, Ranchero 1958-59, 1967-69, Torino 1968-69, F-350 Pickup 1964-74 + 42 more models

Expansion Plug Material

Steel

Feature - Benefit 1

Many sizes available

Feature - Benefit 2

Conveniently available in packs of different quantities

Feature - Benefit 3

Constructed from high quality steel, copper, brass, or rubber

Feature - Benefit 4

Dormans Engine Expansion Plugs are constructed to strict engineering quality standards

Notes

2.375 in. diameter.

Quantity

Sold as a set of 10.

Maximum Diameter

2.385

Describe Type

Reverse Taper Cup

Minimum Diameter

2.388

Package Contents

Expansion Plug

Material

Steel SC

Great price and fast shipping, very satisfied!

Best price for the item I needed. Very fast shipping and there consumer service was great on the phone.

Very competive prices, even with shipping costs. Looking forward to using Autoplicity again in the near future.

Transaction has been smooth so far. Pricing is great compared to other online retailers.

It would be nice that when you add and item to the cart it will automatically update.

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