Pioneer Automotive Industries Engine Expansion Plug Kit P/N:PE-107-R

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$12.99
MPN: PE-107-R
Item Package Code: EA
Part Has Core (Y/N): N
Item Package Quantity: 1
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Pioneer Automotive Industries Engine Expansion Plug Kit P/N:PE-107-R
Pioneer Automotive Industries Engine Expansion Plug Kit P/N:PE-107-R
$12.99

Seal the casting core holes across your Ford engine with the Pioneer Automotive Industries Engine Expansion Plug Kit (PE-107-R). It's a direct-fit replacement kit for a broad range of listed applications, including the 1965-1972 Ford Galaxie 500, 1965-1983 Ford F-100, 1975-1996 Ford F-150, 1965-1996 Ford F-250, 1969-1983 Ford E-100 Econoline and the 1980-1992 Ford Bronco — see the Buyer's Guide tab for the full list of 44 applications.

  • Expansion plug kit: supplies the expansion (core) plugs that fill the core holes left in the engine casting during manufacturing, closing off the internal passages.
  • Press-fit installation: each plug is driven into its bore to seat and seal — no bolting or threading involved.
  • Ford application coverage: designed as a direct-fit replacement for the listed vehicles.

Over time an expansion plug can corrode or work loose, and a leaking or dislodged plug is a common reason to replace it. If a failed expansion plug is the cause of a seep at the core hole, this kit provides the replacement plugs to reseal it. Confirm the plug sizes needed for your specific engine before installing.

Manufacturer part number PE-107-R (also PE107R).

Frequently Asked Questions

What is the Pioneer PE-107-R?

It's an Engine Expansion Plug Kit — a set of expansion (core) plugs that seal the core holes left in an engine's casting during manufacturing.

How do expansion plugs install?

Expansion plugs are press-fit: each one is driven into its bore to seat and seal. Consult the vehicle service information for the correct procedure and plug sizes.

Will this kit fit my vehicle?

It's cataloged as a direct-fit replacement for 44 listed Ford applications from 1965 to 1996. Check the Buyer's Guide tab to confirm your exact year, make and model.

When should I replace an expansion plug?

A corroded or loosened plug that allows a seep at the core hole is a common sign it needs replacing. Diagnose the source of the leak before replacing.

Does the kit include the plugs for a full engine?

It's supplied as an expansion plug kit for the listed applications. Confirm the specific plug sizes and quantity your engine requires before installing.