Dorman

Dorman 555-003 Engine Rocker Arm Shaft End Plug

Brand Dorman 555-003
Material Steel
Maximum Diameter 0.448
Package Contents 10 Steel Expansion Plugs
Fits Chrysler, Dodge, Ford, and Mercury · 61 vehicles

OE fit and function. Engine expansion plug designed to match the original part.

Steel construction. Made from quality steel for reliable performance.

Engine hardware. A rocker arm shaft end plug for sealing engine openings.

Cross-references 371080S, 4556017 and 14025517 for the same application. See all 4.

$26.70Free shipping
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Engine Rocker Arm Shaft End Plug for OE-Style Repair

Dorman 555-003 is a steel engine expansion plug built to match the fit and function of the original part on specified vehicles. It is designed for dependable sealing performance in engine hardware applications where a precise OE-style replacement is needed. This part is a direct-fit option for select Ford Pinto, Mercury Capri, Chrysler Concorde, and Dodge Intrepid applications.

Key Features

  • Steel construction for durable engine hardware service
  • Maximum diameter of 0.448 in. for proper fitment in specified bores
  • Engineered to match original part dimensions and function
  • Used in engine rocker arm shaft end plug applications
  • Fits select Chrysler Concorde, Dodge Intrepid, Ford Fiesta, Ford Pinto, Mercury Capri, Chrysler LHS, and Chrysler New Yorker applications

Detailed Description

Dorman 555-003 is an engine rocker arm shaft end plug made from steel and engineered as an OE-style replacement for specified vehicles. Its shallow-cup expansion design helps restore the original sealing interface in the engine, supporting proper closure of the rocker arm shaft end opening. For buyers searching for a Dorman 555-003 engine plug, this part offers a straightforward replacement path for vehicles that call for a 7/16 in. steel shallow cup design. This part cross-references EPC-93 for the same application.

What It Helps Fix

  • Oil seepage at the rocker arm shaft end opening
  • Loss of sealing at a worn or damaged expansion plug
  • Fitment issues caused by a distorted original plug
  • Engine hardware service needs during top-end repair
  • Replacement of a missing or corroded steel plug

Installation Notes and Tips

Verify bore size and application before installation. Confirm the vehicle-specific fitment details for your engine, since listed applications include different required quantities by model and year. Clean the sealing surface thoroughly and inspect the bore for wear, corrosion, or damage before pressing the plug into place. For search relevance, this Dorman 555-003 plug is listed for 1993-1997 Chrysler Concorde, 1993-1997 Dodge Intrepid, and 1971-1974 Ford Pinto applications, along with additional specified vehicles.

Quality Assurance

Manufactured from quality materials and built to match original part fit and function, this steel expansion plug is engineered for reliable performance in specified engine applications.

This part fits 61 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
1997ChryslerConcorde3.5LV6N/A7/16 In. (11.16 mm) Steel Shallow Cup; 4 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1997ChryslerConcordeN/A4 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1997ChryslerLHS3.5LV6N/A7/16 In. (11.16 mm) Steel Shallow Cup; 4 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1997ChryslerLHSN/A4 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1997DodgeIntrepid3.5LV6N/A7/16 In. (11.16 mm) Steel Shallow Cup; 4 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1997DodgeIntrepidN/A4 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1996ChryslerConcorde3.5LV6N/A7/16 In. (11.16 mm) Steel Shallow Cup; 4 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1996ChryslerConcordeN/A4 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1996ChryslerLHS3.5LV6N/A7/16 In. (11.16 mm) Steel Shallow Cup; 4 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1996ChryslerLHSN/A4 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1996ChryslerNew YorkerN/A7/16 In. (11.16 mm) Steel Shallow Cup; 4 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1996ChryslerNew YorkerN/A4 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1996DodgeIntrepidESN/A7/16 In. (11.16 mm) Steel Shallow Cup; 4 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1996DodgeIntrepidN/A4 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1995ChryslerConcorde3.5LV6N/A7/16 In. (11.16 mm) Steel Shallow Cup; 4 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1995ChryslerConcordeN/A4 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1995ChryslerLHSN/A7/16 In. (11.16 mm) Steel Shallow Cup; 4 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1995ChryslerLHSN/A4 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1995ChryslerNew Yorker3.5LV6N/A7/16 In. (11.16 mm) Steel Shallow Cup; 4 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1995ChryslerNew YorkerN/A4 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1995DodgeIntrepid3.5LV6N/A7/16 In. (11.16 mm) Steel Shallow Cup; 4 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1995DodgeIntrepidN/A4 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1994ChryslerConcorde3.5LV6N/A7/16 In. (11.16 mm) Steel Shallow Cup; 4 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1994ChryslerConcordeN/A4 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1994ChryslerLHSN/A7/16 In. (11.16 mm) Steel Shallow Cup; 4 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1994ChryslerLHSN/A4 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1994ChryslerNew YorkerN/A7/16 In. (11.16 mm) Steel Shallow Cup; 4 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1994ChryslerNew YorkerN/A4 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1994DodgeIntrepid3.5LV6N/A7/16 In. (11.16 mm) Steel Shallow Cup; 4 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1994DodgeIntrepidN/A4 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1993ChryslerConcorde3.5LV6N/A7/16 In. (11.16 mm) Steel Shallow Cup; 4 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1993ChryslerConcordeN/A4 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1993DodgeIntrepid3.5LV6N/A7/16 In. (11.16 mm) Steel Shallow Cup; 4 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1993DodgeIntrepidN/A4 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1980FordFiestaN/A7/16 In. (11.16 mm) Steel Shallow Cup; 1 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1980FordFiestaN/A1 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1979FordFiestaN/A7/16 In. (11.16 mm) Steel Shallow Cup; 1 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1979FordFiestaN/A1 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1978FordFiestaN/A7/16 In. (11.16 mm) Steel Shallow Cup; 1 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1978FordFiestaN/A1 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1974FordPinto2.0LL4N/A7/16 In. (11.16 mm) Steel Shallow Cup; 1 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1974FordPintoN/A1 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1974MercuryCapri2.0LL4N/A7/16 In. (11.16 mm) Steel Shallow Cup; 1 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1974MercuryCapriN/A1 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1973FordPinto1.6LL4N/A7/16 In. (11.16 mm) Steel Shallow Cup; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1973FordPinto2.0LL4N/A7/16 In. (11.16 mm) Steel Shallow Cup; 1 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1973FordPintoN/A1 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1973MercuryCapri2.0LL4N/A7/16 In. (11.16 mm) Steel Shallow Cup; 1 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1973MercuryCapriN/A1 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1972FordPinto1.6LL4N/A7/16 In. (11.16 mm) Steel Shallow Cup; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1972FordPinto2.0LL4N/A7/16 In. (11.16 mm) Steel Shallow Cup; 1 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1972FordPintoN/A1 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1972MercuryCapri1.6LL4N/A7/16 In. (11.16 mm) Steel Shallow Cup; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1972MercuryCapri2.0LL4N/A7/16 In. (11.16 mm) Steel Shallow Cup; 1 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1972MercuryCapriN/A1 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1971FordPinto1.6LL4N/A7/16 In. (11.16 mm) Steel Shallow Cup; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1971FordPinto2.0LL4N/A7/16 In. (11.16 mm) Steel Shallow Cup; 1 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1971FordPintoN/A1 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
1971MercuryCapri1.6LL4N/A7/16 In. (11.16 mm) Steel Shallow Cup; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1971MercuryCapri2.0LL4N/A7/16 In. (11.16 mm) Steel Shallow Cup; 1 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1971MercuryCapriN/A1 Required; 7/16 In. (11.16 mm) Steel Shallow Cup; Package Quantity: 10; Dorman - AutoGrade - Boxed
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
371080S455601714025517EPC-93