Dorman 555-115 expansion plug for the 1994-2005 Dodge Ram 2500 and other vehicles closes an opening in the engine. This engine expansion plug is a steel cup type that is pressed into its opening.
- Dorman Autograde expansion plug with a steel cup design
- Size 3/8 in with a height of 0.150 in
Quick facts
- Part: Dorman 555-115 expansion plug
- Also called: engine expansion plug
- Fits: 1994-2005 Dodge Ram 2500 and other vehicles
- Material: Steel
Seepage around the plug, rust at its edge or a plug that has worked loose can mean it has worn out, though a nearby gasket or fitting can leak the same way, so find the source before replacing it.
Fits
This steel cup expansion plug is a direct replacement for the 1994-2005 Dodge Ram 2500, the 1975-1996 Ford F-150 and the 1975-1996 Ford F-250, and each takes one. If your truck or car is not named here, open the "Vehicles it fits" section to check your exact model and engine.
Specifications
Fit and size
- Quantity per vehicle: 1
- Size: 3/8 in
- Minimum diameter: 0.377 in
- Maximum diameter: 0.385 in
- Height: 0.150 in
Build and materials
- Type: cup type
- Material: steel
- Country of origin: China
In the box
One expansion plug.
Interchange: EPC-222-A
4429955 · 352532S
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
4429955, 352532S, EPC-222-A
Frequently Asked Questions
Does this Dorman expansion plug fit the 1975-1996 Ford F-150?
Yes, Dorman 555-115 fits the 1975-1996 Ford F-150 and takes one plug. The 1994-2005 Dodge Ram 2500 and other vehicles are in the "Vehicles it fits" section.
Does the 555-115 come with any extra hardware?
No. The package holds one expansion plug and nothing else.
What are the dimensions of this 3/8 freeze plug from Dorman?
Dorman 555-115 is a 3/8 in cup-type expansion plug with a diameter of 0.377-0.385 in and a height of 0.150 in.
Are Dorman freeze plugs like the 555-115 made of steel?
Yes, the Dorman 555-115 is steel, in a cup-type design. Shoppers often use "freeze plug" as another name for a cup-type expansion plug.
Does the Dorman 555-115 replace part number 352532S?
Yes, Dorman 555-115 is listed as a replacement for 352532S. The other cross-reference numbers are on the Interchange line of this page.
