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Dorman 555-086 Engine Expansion Plug
| Brand | Dorman 555-086 |
|---|---|
| Describe Type | Cup Type |
| Material | Steel |
| Maximum Diameter | 1.202 |
| Minimum Diameter | 1.189 |
| Package Contents | Expansion Plug |
| Fits | Isuzu · 6 vehicles |
OE-style replacement. Matches the fit and function of the original engine expansion plug.
Steel construction. Built from quality material for reliable performance.
Cup type design. A practical engine core plug for sealing the block opening.
Cross-references 9778778, 8942416380 and EPC-134 for the same application. See all 3.
Dorman 555-086 Engine Expansion Plug
Dorman 555-086 is a steel cup-type engine expansion plug made to match the fit and function of the original part on specified vehicles. It is built for direct replacement use in engine hardware applications where a reliable core plug seal is needed.
Key Features
- Steel construction for engine hardware service
- Cup-type design for OE-style fitment
- Maximum diameter: 1.202 in.
- Minimum diameter: 1.189 in.
- Direct replacement for specified applications
Detailed Description
This Dorman engine core plug is engineered for the 1992-1997 Isuzu Trooper and is listed for N/A position applications. The 555-086 expansion plug is built from steel and sized to the stated diameter range to help restore the original sealing function in the engine block. For buyers searching for a Dorman 555-086 engine expansion plug for Isuzu Trooper models, this part provides a straightforward OE-style replacement option. This part cross-references EPC-134 for the same application.
What It Helps Address
- Coolant leakage at a worn or damaged core plug location
- Corrosion-related failure of an original engine expansion plug
- Loss of sealing at the engine block opening
- Service replacement for a missing or deteriorated cup plug
Installation Notes and Tips
Verify the plug diameter against the engine opening before installation. Clean the bore thoroughly and inspect for corrosion, pitting, or distortion that could affect sealing. Confirm the application by year, make, and model before ordering; this part is listed for 1992-1997 Isuzu Trooper, N/A. For search relevance, this Dorman 555-086 core plug is also commonly referenced by buyers looking for Isuzu Trooper engine expansion plug replacement parts.
Quality Assurance
Dorman manufactures this expansion plug to match original part fit and function on specified vehicles, using quality materials for dependable service in engine hardware applications. The steel construction and OE-style dimensions support consistent replacement performance.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1997 | Isuzu | Trooper | 3.2L | V6 | N/A | 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box |
| 1996 | Isuzu | Trooper | 3.2L | V6 | N/A | 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box |
| 1995 | Isuzu | Trooper | 3.2L | V6 | N/A | 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box |
| 1994 | Isuzu | Trooper | 3.2L | V6 | N/A | 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box |
| 1993 | Isuzu | Trooper | 3.2L | V6 | N/A | 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box |
| 1992 | Isuzu | Trooper | 3.2L | V6 | N/A | 2 Required; Package Quantity: 10; Dorman - AutoGrade - Boxed; Packaging Type: Box |
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