Dorman 02473 Engine Cylinder Head Plug
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Dorman

Dorman 02473 Engine Cylinder Head Plug

Brand Dorman 02473
Material Steel
Closed End Diameter 0.416 in
Hex Size 3/8 in; 1/2 in; 5/8 in; 3/4 in; 1 in
Open End Diameter (in) 0.832 in
Package Contents Pipe plug
Fits Nissan and Toyota · 46 vehicles

OE-style fit. Matches the original part's fit and function for straightforward replacement.

Steel construction. Built from steel for dependable performance in engine hardware applications.

Engine cylinder head plug. A direct-fit plug for sealing engine cylinder head openings.

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Dorman 02473 Engine Cylinder Head Plug

Dorman 02473 is a steel engine cylinder head plug built to match the fit and function of the original part on specified vehicles. It is engineered for reliable performance in applications that call for a 1/2 in. pipe plug, including select Nissan and Toyota engines.

Key Features

  • Steel construction for dependable engine sealing performance
  • Closed end diameter: 0.416 in.
  • Open end diameter: 0.832 in.
  • Hex sizes: 3/8 in., 1/2 in., 5/8 in., 3/4 in., and 1 in.
  • Direct-fit replacement for specified engine cylinder head plug applications
  • Part number 02473 for easy identification

Detailed Description

This Dorman engine cylinder head plug is designed for vehicles that use a 1/2 in. pipe-style plug in the cylinder head. The steel construction supports consistent sealing in engine hardware applications where the original plug has corroded, loosened, or failed. It is a practical OE-style replacement for select Nissan Pickup, Nissan 300ZX, Nissan D21, Nissan 240SX, Toyota Land Cruiser, and Toyota Tercel applications. Dorman 02473 is built to match the original part’s fit and function, making it a straightforward choice for engine repair work.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Vehicle Fitment

  • Fits 1995-1997 Nissan Pickup, N/A
  • Fits 1990-1996 Nissan 300ZX, N/A
  • Fits 1990-1994 Nissan D21, N/A
  • Fits 1973-1992 Toyota Land Cruiser, N/A
  • Fits 1989-1990 Nissan 240SX, N/A
  • Fits 1980-1988 Toyota Tercel, N/A

What It Helps Address

  • Leaking or deteriorated cylinder head plug seals
  • Corrosion damage in the engine block or cylinder head plug area
  • Replacement needs after removal of a worn factory plug
  • Maintenance on Nissan and Toyota engines with 1/2 in. pipe plug specifications

Installation Notes and Tips

Verify the engine’s plug size and cylinder head opening before installation. Clean the sealing surface thoroughly and inspect the bore for corrosion or damage that could affect fit. Use the correct hex size for removal and installation to reduce the risk of rounding the plug.

Quality Assurance

Dorman manufactures this plug to match original part fit and function on specified vehicles. The steel construction and application-specific dimensions support consistent service in engine hardware repairs.

This part fits 46 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1997NissanPickup2.4LL4N/A4 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1996Nissan300ZX3.0LV6N/A5 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1996NissanPickup2.4LL4N/A4 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1995Nissan300ZX3.0LV6N/A5 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1995NissanPickup2.4LL4N/A4 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1994Nissan300ZX3.0LV6N/A5 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1994NissanD212.4LL4N/A4 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1993Nissan300ZX3.0LV6N/A5 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1993NissanD212.4LL4N/A4 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1992Nissan300ZX3.0LV6N/A5 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1992NissanD212.4LL4N/A4 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1992ToyotaLand Cruiser——N/A1 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1991Nissan300ZX3.0LV6N/A5 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1991NissanD212.4LL4N/A4 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1991ToyotaLand Cruiser——N/A1 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1990Nissan240SX——N/A4 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1990Nissan300ZX3.0LV6N/A5 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1990NissanD212.4LL4N/A4 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1990ToyotaLand Cruiser——N/A1 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1989Nissan240SX——N/A4 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1989ToyotaLand Cruiser——N/A1 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1988ToyotaLand Cruiser——N/A1 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1988ToyotaTercel1.5LL4N/A5 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1987ToyotaLand Cruiser4.2LL6N/A1 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1987ToyotaTercel1.5LL4N/A5 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1986ToyotaLand Cruiser4.2LL6N/A1 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1986ToyotaTercel——N/A5 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1985ToyotaLand Cruiser4.2LL6N/A1 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1985ToyotaTercel1.5LL4N/A5 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1984ToyotaLand Cruiser4.2LL6N/A1 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1984ToyotaTercel1.5LL4N/A5 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1983ToyotaLand Cruiser4.2LL6N/A1 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1983ToyotaTercel——N/A5 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1982ToyotaLand Cruiser4.2LL6N/A1 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1982ToyotaTercel——N/A5 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1981ToyotaLand Cruiser4.2LL6N/A1 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1981ToyotaTercel——N/A5 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1980ToyotaLand Cruiser——N/A1 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1980ToyotaTercel——N/A5 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1979ToyotaLand Cruiser——N/A1 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1978ToyotaLand Cruiser——N/A1 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1977ToyotaLand Cruiser——N/A1 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1976ToyotaLand Cruiser——N/A1 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1975ToyotaLand Cruiser——N/A1 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1974ToyotaLand Cruiser——N/A1 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!
1973ToyotaLand Cruiser——N/A1 Required; 1/2 In. Pipe; Package Quantity: 1; Dorman - AutoGrade - Expand-Tite!