Dorman 555-097 Engine Expansion Plug

Name: Dorman 555-097 Engine Expansion Plug
Brand: Dorman
SKU: BKKZ-555-097
Price: 25.42 USD
Availability: InStock

N/A

101 vehicles fit this part

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OE Direct Replacement — Bolt-on fit, no modifications needed

Fitment: Lexus and Toyota, GS300, IS300, 4Runner, Tacoma, Tundra, SC300, Paseo, Supra, Tercel, Land Cruiser, Pickup, Starlet, Corolla, and Corona

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Durable Steel Engine Core Plug for Lexus and Toyota Vehicles

The Dorman 555-097 engine core plug is designed to provide a reliable seal for engine block openings in various Lexus and Toyota models. Crafted from steel with precise dimensions, this cup-type expansion plug ensures a secure fit and long-lasting performance.

Constructed from durable steel material for strength and corrosion resistance
Cup-type design for effective sealing of engine block core holes
Maximum diameter of 1.002 inches and minimum diameter of 0.989 inches for accurate fitment
Compatible with multiple Lexus and Toyota models including 4Runner, Corolla, GS300, Tacoma, and Tundra
Sold as a single expansion plug for engine hardware replacement

Product Details and Specifications

The Dorman 555-097 engine core plug is engineered to meet OEM specifications for engine hardware, providing a precise fit for core holes in engine blocks. Its steel construction offers durability and resistance to engine fluids and heat, while the cup-type design allows for secure installation and sealing. With a maximum diameter of 1.002 inches and a minimum diameter of 0.989 inches, this plug fits tightly to prevent leaks and maintain engine integrity.

Compatible Lexus and Toyota Models

This engine core plug is compatible with a range of Lexus and Toyota vehicles, including but not limited to the 4Runner, Corolla, Corona, GS300, IS300, Land Cruiser, Paseo, Pickup, SC300, Starlet, Supra, Tacoma, Tercel, and Tundra. The Dorman 555-097 is suitable for owners and technicians seeking a reliable replacement part for these specific models.

Common Applications and Issues Addressed

Sealing engine block core holes to prevent coolant and oil leaks
Replacing worn or corroded expansion plugs in Lexus and Toyota engines
Maintaining engine pressure and preventing contamination
Restoring engine block integrity after repair or maintenance
Preventing engine overheating caused by fluid leaks

Installation Notes and Tips

Before installation, ensure the engine block core hole is clean and free of debris or corrosion. The Dorman 555-097 plug should be pressed or tapped gently into place using appropriate tools to avoid damage. Verify the plug is seated flush with the engine block surface to ensure a proper seal. It is recommended to inspect surrounding areas for any additional wear or damage during replacement.

Quality Assurance and Warranty

Dorman engine core plugs are manufactured to meet industry standards for automotive hardware. The 555-097 part number undergoes quality control inspections to ensure dimensional accuracy and material integrity. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship for their engine hardware components.

Brand	Dorman
Part Number	555-097
Describe Type	Cup Type
Material	Steel
Maximum Diameter	1.002
Minimum Diameter	0.989
Package Contents	Expansion Plug

This part fits 101 vehicles. Search below:

Year	Make	Model	Liters	Cylinders	Position	Notes
2005	Lexus	GS300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
2005	Lexus	IS300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
2005	Toyota	4Runner	4.0L	V6	N/A	Steel Engine Expansion Plug; 1 Required; Package Quantity: 10; Boxed Packaging Type: Box
2005	Toyota	Tacoma	4.0L	V6	N/A	Steel Engine Expansion Plug; 1 Required; Package Quantity: 10; Boxed Packaging Type: Box
2005	Toyota	Tundra	4.0L	V6	N/A	Steel Engine Expansion Plug; 1 Required; Package Quantity: 10; Boxed Packaging Type: Box
2004	Lexus	GS300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
2004	Lexus	IS300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
2004	Toyota	4Runner	4.0L	V6	N/A	Steel Engine Expansion Plug; 1 Required; Package Quantity: 10; Boxed Packaging Type: Box
2003	Lexus	GS300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
2003	Lexus	IS300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
2003	Toyota	4Runner	4.0L	V6	N/A	Steel Engine Expansion Plug; 1 Required; Package Quantity: 10; Boxed Packaging Type: Box
2002	Lexus	GS300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
2002	Lexus	IS300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
2001	Lexus	GS300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
2001	Lexus	IS300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
2000	Lexus	GS300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
2000	Lexus	SC300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1999	Lexus	GS300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1999	Lexus	SC300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1998	Lexus	GS300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1998	Lexus	SC300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1998	Toyota	Paseo	1.5L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1998	Toyota	Supra	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1998	Toyota	Tercel	1.5L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1997	Lexus	GS300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1997	Lexus	SC300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1997	Toyota	Paseo	1.5L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1997	Toyota	Supra	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1997	Toyota	Tercel	1.5L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1996	Lexus	GS300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1996	Lexus	SC300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1996	Toyota	Paseo	1.5L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1996	Toyota	Supra	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1996	Toyota	Tercel	1.5L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1995	Lexus	GS300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1995	Lexus	SC300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1995	Toyota	Paseo	1.5L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1995	Toyota	Supra	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1995	Toyota	Tercel	1.5L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1994	Lexus	GS300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1994	Lexus	SC300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1994	Toyota	Paseo	1.5L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1994	Toyota	Supra	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1994	Toyota	Tercel	1.5L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1993	Lexus	GS300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1993	Lexus	SC300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1993	Toyota	Paseo	1.5L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1993	Toyota	Supra	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1993	Toyota	Tercel	1.5L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1992	Lexus	SC300	3.0L	L6	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1992	Toyota	Land Cruiser	4.0L	L6	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1992	Toyota	Paseo	1.5L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1992	Toyota	Tercel	1.5L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1991	Toyota	Land Cruiser	4.0L	L6	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1991	Toyota	Tercel	1.5L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1990	Toyota	Land Cruiser	4.0L	L6	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1990	Toyota	Tercel	1.5L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1989	Toyota	Land Cruiser	4.0L	L6	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1989	Toyota	Tercel	1.5L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1988	Toyota	Land Cruiser	4.0L	L6	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1988	Toyota	Tercel	1.5L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1987	Toyota	Land Cruiser	4.2L	L6	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1987	Toyota	Tercel	1.5L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1986	Toyota	Land Cruiser	4.2L	L6	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1985	Toyota	Land Cruiser	4.2L	L6	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1985	Toyota	Pickup	2.4L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1984	Toyota	Land Cruiser	4.2L	L6	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1984	Toyota	Pickup	2.4L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1984	Toyota	Starlet	1.3L	L4	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1983	Toyota	Land Cruiser	4.2L	L6	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1983	Toyota	Pickup	2.2L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1983	Toyota	Starlet	1.3L	L4	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1982	Toyota	Land Cruiser	4.2L	L6	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1982	Toyota	Pickup	2.2L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1982	Toyota	Starlet	1.3L	L4	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1981	Toyota	Land Cruiser	4.2L	L6	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1981	Toyota	Pickup	2.2L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1981	Toyota	Starlet	1.3L	L4	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1980	Toyota	Land Cruiser	4.2L	L6	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1979	Toyota	Corolla	1.2L	L4	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1979	Toyota	Land Cruiser	4.2L	L6	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1978	Toyota	Corolla	1.2L	L4	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1978	Toyota	Land Cruiser	4.2L	L6	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1977	Toyota	Corolla	1.2L	L4	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1977	Toyota	Land Cruiser	4.2L	L6	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1976	Toyota	Corolla	1.2L	L4	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1976	Toyota	Land Cruiser	4.2L	L6	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1975	Toyota	Corolla	1.2L	L4	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1975	Toyota	Land Cruiser	4.2L	L6	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1974	Toyota	Corolla	1.2L	L4	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1973	Toyota	Corolla	1.2L	L4	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1972	Toyota	Corolla	1.2L	L4	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1971	Toyota	Corolla	1.2L	L4	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1970	Toyota	Corolla	1.2L	L4	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1970	Toyota	Corona	1.9L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1970	Toyota	Pickup	1.9L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1969	Toyota	Corolla	1.1L	L4	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1969	Toyota	Corolla	1.2L	L4	N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1969	Toyota	Corona	1.9L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1968	Toyota	Corolla			N/A	Steel; 4 Required, Package Quantity: 10, Boxed Packaging Type
1968	Toyota	Corona	1.9L	L4	N/A	Steel; 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

261-12652404829033125011EPC-230

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.