Dorman Autograde Steel Cup Expansion Plug 1-3/16 Inch with 0.410 Inch Height for 1992-1997 Isuzu Trooper 555-086

Steel cup expansion plug 1-3/16 inch with 0.410 inch height for 1992-1997 Isuzu Trooper used to replace worn or leaking factory engine plugs.

Built to meet the manufacturer's design intent for reliable service, this plug is constructed from quality steel materials to ensure a secure seal and long-lasting durability in demanding engine environments.

Key Features

• Constructed from durable steel for resistance against corrosion and wear
• Precise 1-3/16 inch diameter with 0.410 inch height for accurate fitment
• Engineered to match original equipment form, fit, and function
• Validated through testing to ensure dependable performance
• Sold as a 10-piece pack for comprehensive engine maintenance
• Direct replacement for specific General Motors and Isuzu part numbers

Benefits

• Restores proper engine sealing to prevent coolant or oil leaks
• Reduces the risk of repeat repairs with robust material construction
• Ensures smoother installation with direct-fit design specifications
• Helps maintain optimal engine temperature and pressure levels
• Provides a cost-effective solution compared to dealer-only parts
• Extends engine life by preventing fluid loss and contamination

Application

Ideal for vehicle owners and mechanics performing engine rebuilds or repairing coolant leaks on Isuzu Trooper models from 1992 to 1997. This part is essential for restoring the integrity of the engine block where original expansion plugs have failed due to age or corrosion.

Fitment Notes

• Compatible with 1992-1997 Isuzu Trooper models
• Replaces General Motors part number 9778778 and Isuzu part number 8942416380
• Verify engine block requirements before installation to ensure correct sizing

Why Choose Dorman - Autograde?

• Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function
• Backed by a team of product experts in the United States with over a century of automotive experience
• Built with quality materials and validated through testing to stand up to daily driving demands
• Offers a smart way to restore your vehicle with confidence and reduce repair risks

What's in the Box

• 10 Piece set of Steel Cup Expansion Plugs

Item Dimensions

• Length: 3.2 inches
• Width: 2.4 inches
• Height: 1.5 inches
• Weight: 0.4 lbs