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Dorman 555-038 Engine Expansion Plug

Brand	Dorman 555-038
Describe Type	Cup Type
Material	Steel
Maximum Diameter	1.9
Minimum Diameter	1.887
Package Contents	Expansion Plug
Fits	Volvo · 27 vehicles

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

Steel construction. Built from quality material for dependable engine sealing performance.

Cup type design. A practical expansion plug style for engine core applications.

Cross-references 10006957 and EPC-50 for the same application. See all 2.

$29.24Free shipping

In stock · usually ships same day before 1pm CST

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Dorman Engine Expansion Plug for Volvo

Dorman 555-038 is a steel engine expansion plug built to match the fit and function of the original plug on specified Volvo applications. Its cup-type design and measured diameter range help support a precise seal in the engine block where a replacement core plug is needed.

For Volvo 240, Volvo 740, Volvo 760, Volvo 745, Volvo 780, and Volvo 940 applications, this engine core plug provides an OE-style replacement solution for service work on the cooling system and engine block.

Key Features

Steel construction for engine block service
Cup-type expansion plug design
Maximum diameter: 1.9 in.
Minimum diameter: 1.887 in.
Direct replacement for the original-style engine core plug
Part number: 555-038

Detailed Description

This Dorman engine expansion plug is engineered for specified Volvo engines where a cup-type core plug is required. The steel construction supports dependable fitment in the engine block, while the measured diameter range helps the plug seat properly during replacement service. If you are searching for a Volvo 240 engine core plug, a Volvo 740 expansion plug, or a Dorman 555-038 replacement for Volvo 940 engine block service, this part matches the listed applications.

This part cross-references 10006957 and EPC-50 for the same application.

What This Part Helps Address

Coolant leakage from a worn or corroded engine core plug
Loss of sealing at the engine block freeze plug opening
Service replacement for damaged cup-type expansion plugs
Restoration of proper cooling-system sealing during engine repair

Installation Notes and Tips

Confirm the plug diameter and engine block opening before installation. Clean the bore thoroughly and inspect the surrounding metal for corrosion, pitting, or distortion before seating the new plug. Use proper installation tools and follow the vehicle service procedure for the specific Volvo engine.

Compatible With 1985 Volvo 745, N/A; 1985-1990 Volvo 760, N/A; 1985-1992 Volvo 740, N/A; 1989-1991 Volvo 780, N/A; 1990-1993 Volvo 240, N/A; and 1991-1995 Volvo 940, N/A.

Quality Assurance

Dorman designs this engine expansion plug to match the fit and function of the original part on the listed vehicles. It is manufactured from quality materials for reliable performance in engine service applications.

This part fits 27 vehicles

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

Year	Make	Model	Liters	Cylinders	Position	Notes
1995	Volvo	940	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1994	Volvo	940	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1993	Volvo	240	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1993	Volvo	940	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1992	Volvo	240	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1992	Volvo	740	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1992	Volvo	940	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1991	Volvo	240	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1991	Volvo	740	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1991	Volvo	780	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1991	Volvo	940	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1990	Volvo	240	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1990	Volvo	740	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1990	Volvo	760	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1990	Volvo	780	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1989	Volvo	740	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1989	Volvo	760	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1989	Volvo	780	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1988	Volvo	740	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1988	Volvo	760	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1987	Volvo	740	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1987	Volvo	760	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1986	Volvo	740	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1986	Volvo	760	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1985	Volvo	740	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1985	Volvo	745	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
1985	Volvo	760	2.3L	L4	N/A	8 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box
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Directly replaces or cross-references 2 part numbers

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

10006957EPC-50