Dorman Products

Dorman 555-023 Expansion Plug

In stock
SKU: 591|555023
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Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
$17.76
Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.

Product details

  • SKU 591|555023
  • Barcode 19495555230

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Description

Product Description

This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

  • Direct replacement - this engine expansion plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution - this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction - this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience

Detailed Applications

Year Make Model Configuration Positions Application Notes
1987 Jaguar Vanden Plas 2 Required; 1.25 In.
1987 Jaguar XJ6 L6 4.2L (4235cc) 2 Required; 1.25 In.
1986 Jaguar Vanden Plas 2 Required; 1.25 In.
1986 Jaguar XJ6 L6 4.2L (4235cc) 2 Required; 1.25 In.
1985 Jaguar Vanden Plas 2 Required; 1.25 In.
1985 Jaguar XJ6 L6 4.2L (4235cc) 2 Required; 1.25 In.
1983 Ford F-100 V6 232 3.8L 6 Required; 1.25 In.
1982 Ford F-100 V6 232 3.8L 6 Required; 1.25 In.
1968 Dodge D100 Pickup V8 383 6.3L 6 Required; 1.25 In.
1968 Dodge D200 Pickup V8 383 6.3L 6 Required; 1.25 In.
1968 Dodge D200 Pickup V8 383 6.3L (6286cc) 6 Required; 1.25 In.
1968 Dodge D300 Pickup V8 383 6.3L 6 Required; 1.25 In.
1968 Dodge P375 6 Required; 1.25 In.
1968 Dodge W100 Pickup V8 383 6.3L 6 Required; 1.25 In.
1968 Dodge W300 Pickup V8 383 6.3L 6 Required; 1.25 In.
1968 Dodge W300 Pickup V8 383 6.3L (6286cc) 6 Required; 1.25 In.
1967 Dodge D100 Series V8 383 6.3L (6286cc) 6 Required; 1.25 In.
1967 Dodge D200 Series V8 383 6.3L (6286cc) 6 Required; 1.25 In.
1967 Dodge D300 Series V8 383 6.3L (6286cc) 6 Required; 1.25 In.
1967 Dodge W100 Series V8 383 6.3L (6286cc) 6 Required; 1.25 In.
1967 Dodge W200 Series V8 383 6.3L (6286cc) 6 Required; 1.25 In.
1967 Dodge W300 Series V8 383 6.3L 6 Required; 1.25 In.
1967 Dodge W300 Series V8 383 6.3L (6286cc) 6 Required; 1.25 In.
1966 Dodge A100 Truck V8 273 4.5L 6 Required; 1.25 In.
1966 Dodge D100 Series V8 318 5.2L (5211cc) 6 Required; 1.25 In.
1966 Dodge D200 Series V8 318 5.2L (5211cc) 6 Required; 1.25 In.
1966 Dodge D300 Series V8 318 5.2L (5211cc) 6 Required; 1.25 In.
1966 Dodge W100 Series V8 318 5.2L (5211cc) 6 Required; 1.25 In.
1966 Dodge W200 Series V8 318 5.2L (5211cc) 6 Required; 1.25 In.
1966 Dodge W300 Series V8 318 5.2L (5211cc) 6 Required; 1.25 In.
1965 Dodge A100 Truck V8 273 4.5L 6 Required; 1.25 In.
1965 Dodge D100 Series V8 318 5.2L (5211cc) 6 Required; 1.25 In.
1965 Dodge D200 Series V8 318 5.2L (5211cc) 6 Required; 1.25 In.
1965 Dodge D300 Series V8 318 5.2L (5211cc) 6 Required; 1.25 In.
1965 Dodge W100 Series V8 318 5.2L (5211cc) 6 Required; 1.25 In.
1965 Dodge W200 Series V8 318 5.2L (5211cc) 6 Required; 1.25 In.
1965 Dodge W300 Series V8 318 5.2L (5211cc) 6 Required; 1.25 In.
1964 Dodge D100 Series V8 318 5.2L (5211cc) 6 Required; 1.25 In.
1964 Dodge D200 Series V8 318 5.2L (5211cc) 6 Required; 1.25 In.
1964 Dodge D300 Series V8 318 5.2L (5211cc) 6 Required; 1.25 In.
1964 Dodge W100 Series V8 318 5.2L (5211cc) 6 Required; 1.25 In.
1964 Dodge W200 Series V8 318 5.2L (5211cc) 6 Required; 1.25 In.
1964 Dodge W300 Series V8 318 5.2L (5211cc) 6 Required; 1.25 In.
1963 Dodge D100 Series V8 318 5.2L (5211cc) 6 Required; 1.25 In.
1963 Dodge D200 Series V8 318 5.2L (5211cc) 6 Required; 1.25 In.
1963 Dodge D300 Series V8 318 5.2L (5211cc) 6 Required; 1.25 In.
1963 Dodge W100 Series V8 318 5.2L (5211cc) 6 Required; 1.25 In.
1963 Dodge W200 Series V8 318 5.2L (5211cc) 6 Required; 1.25 In.
1963 Dodge W300 Series V8 318 5.2L (5211cc) 6 Required; 1.25 In.
1962 Dodge D100 Series V8 318 5.2L (5211cc) 6 Required; 1.25 In.
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Product Specifications

Describe Type: Cup Type
Material: Steel
Maximum Diameter: 1.26 in
Minimum Diameter: 1.249 in
Package Contents: Expansion Plug
Package Quantity: 10
Brand: Dorman - AutoGrade - Boxed
Packaging Type: Box

OE Numbers

DIRECT OE CROSS
380254 GENERAL MOTORS
C168625 JAGUAR